Information for Poster Presentation
The LECTURES will be held at Chiang Chen Studio Theatre of The Hong Kong Polytechnic University. Poster Session will be held on the Podium of The Hong Kong Polytechnic University (beween F and G cores).
The poster should be designed to fit the space of 90 cm width × 120 cm height. Pushpins or other related materials will be provided on site for your convenience. Poster space will be allocated by the title, the name of presenters and their institutions (plus the number).
Mounting of Posters
December 12 (Sunday): 16:00-17:00
December 13 (Monday): 12:20-14:00 (during lunch time).
Dismantling of Posters
December 14 (Tuesday): 18:30- (after the poster session).
Poster Boards
Board size is 100 cm (width) × 130 cm (height).
Materials necessary for display posters on the board (pins etc.) will be provided.
All presenters should be with their posters during the poster session.
Poster Presentations (with Oral Presentation)
P-1. Synthesis of Unsaturated Alcohols from 1,3-Diols over CeO2
Naoki Ichikawa, Satoshi Sato*, Ryoji Takahashi and Toshiaki Sodesawa
Department of Applied Chemistry, Faculty of Engineering, Chiba University, Yayoi, Inage, Chiba 263-8522, Japan, e-mail: satoshi@faculty.chiba-u.jp
P-2. Experimental Study of the Methane Steam Reforming Reaction in a Hydrogen-Permeable Membrane Reactor
Jianhua Tong, Yasuyuki Matsumura, Hiroyuki Suda, Kenji Haraya
Chemical Research Group, Research Institute of Innovative Technology for the Earth (RITE), Kizu-cho, Sorakun, Kyoto 619-0292, Japan
P-3. DFT Study for CO and H2 Adsorption on Some Alloy Electrodes in Fuel Cell
Yoshiki Shimodaira, Akihiko Kudo, and Hisayoshi Kobayashi
Department of Applied Chemistry, Faculty of Science, Science University of Tokyo, 1-3 Kagurazaka, Shinjuku-ku Tokyo 162-8601, Japan, e-mail: a-kudo@rs.kagu.tus.ac.jp
P-4. Biosorption of Pb(II) & Cu(II) on Rhizopus Arrhizus_ modeling Mono- and Multi-component Systems
Alimohamadi Mozhgan, Abolhamd Gity, Keshtkar Alireza
Tehran University, Tehran, Iran
P-5. Synthesis and Some Reactions of (Arylimide)(ketimide)vanadium Complexes
Junji Yamada, Michiya Fujiki, and Kotohiro Nomura*
Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0101, Japan, e-mail: ya-junji@ms.naist.jp
P-6. Olefin Polymerization by (Arylimido)(aryloxo)vanadium Complexes - Cocatalyst Systems
Wei Wang and Kotohiro Nomura
Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0101, Japan, e-mail: wangw@ms.naist.jp
P-7. Synthesis and Reactions of Mono-, Di- and Triruthenium(0) Complexes Having a Triphenylene Ligand
Takao Shibasaki, Masafumi Hirano, Nobuyuki Komine, and Sanshiro Komiya
Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
P-8. Asymmetric Hydrogenation of Unsaturated Carboxylic Acids over Cinchona-Modified Palladium Catalyst: Effect of Substrate Structure
Yuriko Nitta, Junya Watanabe, Tadashi Okuyama, and Takashi Sugimura
Graduate School of Material Science, Himeji Institute of Technology, University of Hyogo, Kohto, Kamigori, Hyogo 678-1297, Japan. e-mail: sugimura@sci.u-hyogo.ac.jp
P-9. Synthesis of Polymer-attached Ligand by Living Ring-opening Metathesis Polymerization and its Application for Transition Metal Catalyzed Selective Organic Reactions
Yutaka Kuromatsu, Michiya Fujiki, and Kotohiro Nomura*
Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0101, Japan, e-mail: nomurak@ms.naist.jp
P-10. Cu(I)-Catalyzed Enantioselective Cycloaddition Reaction of Allenylsilane with a-Imino Ester
Kazunori Daidouji, Kohei Fuchibe, and Takahiko Akiyama
Department of Chemistry, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo 171-8588, Japan, e-mail: takahiko.akiyama@gakushuin.ac.jp
P-11. Preparation of Optically Active Polypropionate Units via Stereoselective Hydrogenation of Optically Active Cycloheptatriene
Chun Young Im, Yasuhiro Sato, Tadashi Okuyama, and Takashi Sugimura
Graduate School of Material Science, Himeji Institute of Technology, University of Hyogo, Kohto, Kamigori, Hyogo 678-1297, Japan. E-mail: sugimura@sci.u-hyogo.ac.jp
P-12. Regio- and Stereocontrol of the Büchner Reaction by Chiral Diol Tether
Naoko Ohuchi, Tadashi Okuyama, and Takashi Sugimura
Graduate School of Material Science, Himeji Institute of Technology, University of Hyogo, Kohto, Kamigori, Hyogo 678-1297, Japan. E-mail: sugimura@sci.u-hyogo.ac.jp
P-13. Lewis Acid-Mediated Ring-Opening Reaction of Alkylidenecyclopropanone Silyl Acetals
Sayaka Hirayama, Koji Fujiwara, Morifumi Fujita, and Tadashi Okuyama*
Graduate School of Material Science, Himeji Institute of Technology, University of Hyogo, Kohto, Kamigori, Hyogo 678-1297, Japan. E-mail: okuyama@sci.u-hyogo.ac.jp
P-14. Practical Synthesis of 1b-Methylcarbapenem Utilizing a New Dehydration Ti-Dieckmann Condensation
Ryohei Nagase, Naoki Manta, Tomonori Misaki, Makoto Sunagawa, Akira Sasaki, and Yoo Tanabe
Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen Sanda, Hyogo 669-1337, Japan, e-mail : tanabe@kwansei.ac.jp
P-15. Facile Synthesis of Substituted Quinolines by Iridium–catalyzed Three Component Coupling Reaction
Takayuki Nakajima, Takeyuki Igarashi, Takashi Inada, Tadao Sekioka, and Isao Shimizu
Department of Applied Chemistry, School of Science and Engineering, Waseda University, Okubo 3-4-1, Shinjuku-ku, Tokyo 169-8555, Japan, e-mail: shimizui@waseda.jp
P-16. A Ruthenium-Grafted Hydrotalcite for α-Alkylation of Nitriles and Synthesis of Quinolines as a Bifunctional Heterogeneous Catalyst
Ken Motokura, Noriaki Fujita, Tomoo Mizugaki, Kohki Ebitani, and Kiyotomi Kaneda
Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan. E-mail: kaneda@cheng.es.osaka-u.ac.jp
P-17. Iridium Complex-Catalyzed Highly Selective Cycloaddition
Ryo Takeuchi
Department of Chemistry and Biological Science, Aoyama Gakuin University, 5-10-1 Fuchinobe, Sagamihara 229-8558, Japan, e-mail: takeuchi@chem.aoyama.ac.jp
P-18. Direct Borylation of Arenes and Heteroarenes Catalyzed by an Iridium/Pyridine-2-carbaldimine System
Tsuyoshi Tagata and Mayumi Nishida*
Koei Chemical Company, Ltd., 25 Kitasode, Sodegaura, Chiba 299-0266 Japan, e-mail: t-tagata@koeichem.co.jp
P-19. A Facile Preparation of Alkoxy-tetrazole-1-yl-benzaldehydes Using Modified Duff Reaction
Kazutake Hagiya, Yasuhiro Sato, Sunao Mitsui, Hiroaki Taguchi
Chemical Research Center, Toyo Kasei Kogyo Co., Ltd., 2900 Sone, Takasago, Hyogo 676-0082, Japan, e-mail: kazutake-hagiya@toyokasei-kogyo.co.jp
P-20. Alkylation of Aldehydes and Imines Using Metallic Strontium and Alkyl Iodides
Norikazu Miyoshi, Daitetsu Ikehara, Tadashi Kohno, Tsuyoshi Matsuo, and Makoto Wada
Department of Chemistry, Faculty of Integrated Arts and Sciences, University of Tokushima 1-1 Minamijosanjima, Tokushima 770-8502, Japan, e-mail: miyoshi@ias.tokushima-u.ac.jp
P-21. Mild, Powerful, and Chemoselective Method for the Preparation of Enol Silyl Ethers Using Silazane Combined with Catalytic Bases
Akira Iida, Tomonori Misaki, and Yoo Tanabe*
Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan, e-mail: x78125@ksc.kwansei.ac.jp
P-22. Chiral Brønsted Acid-Catalyzed Enantioselective Mannich-Type Reaction
Junji Itoh, Kohei Fuchibe, and Takahiko Akiyama
Department of Chemistry, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo 171-8588, Japan, e-mail: takahiko.akiyama@gakushuin.ac.jp
P-23. Synthesis of Dipeptide Mimics with Palladium Catalysis
Tetsuo Narumi, and Isao Shimizu*
Major in Interactive Bioscience and Bioengineering, Graduate School of Science and Engineering, Waseda University, Okubo 3-4-1, Shinjuku-ku, Tokyo 169-8555, Japan, e-mail: shimizui@waseda.jp
P-24. Transition Metal Catalyzed Conversion of (sp3)C-F Bonds to (sp3)C-(sp3)C Bonds
Nobuaki Kambe and Jun Terao
Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan kambe@chem.eng.osaka-u.ac.jp
P-25. Regioselective Oxygenation Reaction of 1,2-Quinones with Peroxybenzoic Acids
Yutaka Hitomi, Hiroshi Yoshida, and Takuzo Funabiki
Department of Molecular Engineering, Graduate School Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan, and 2 Biomimetics Research Center, Doshisha University, Kyo-Tanabe, Kyoto 610-0321, Japan, e-mail: hitomi@dcc.mbox.media.kyoto-u.ac.jp
P-26. Photocatalytic Oxidation of Cyclohexane over V2O5/Al2O3
Tomohiro Hosokawa, and Tsunehiro Tanaka
Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Kyoto-Daigaku-Katsura, Kyoto, 615-8510, Japan, e-mail:hosokawa@dcc.mbox.media.Kyoto-u.ac.jp
P-27. Silsesquioxane-Protected Transition Metal Nanoclusters: Preparation and Catalytic Activity for the Aerobic Oxidation of Alcohols
Kenji Wada, Kousuke Yano, Teruyuki Kondo and Take-aki Mitsudo
Department of Energy and Hydrocarbon Chemistry, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan, e-mail: wadaken@scl.kyoto-u.ac.jp
P-28. Manganese Complex Catalyzed Stereoselective Hydration of a,b-Unsaturated Carboxamide with Molecular Oxygen
Mitsuo Sato, Yasuhiko Gunji, Taketo Ikeno, and Tohru Yamada
Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
Poster Presentations (without Oral Presentation)
P-29. Characterization of NiO-TiO2 Modified with WO3 and Catalytic Activity for Acid Catalysis
Young Il Pae, Myung Hun Roh, Mu Hee Bae, Won Cheon Park, and Jong Rack Sohn*
Department of Chemistry, University of Ulsan, Ulsan 680-749, Korea,
P-30. Preparation of NiO/SiO2 Aerogels and their Catalytic Performance in Maleic Anhydride Hydrogenation
Yong-Xiang Zhao Chun-Guang Gao
School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan Shanxi 030006 China, e-mail: yxzhao@sxu.edu.cn
P-31. Synthesis of Mesoporous Silica Templated with the Double-chained Cationic Dioctadecyldimethylammonium Chloride
Yu-Xia Li, Chun-Guang Gao, Yong-Xiang Zhao
School of Chemisty and Chemical Engineering, Shanxi University, Taiyuan, Shanxi 030006 , China, e-mail: yxzhao@sxu.edu.cn
P-32. Synthesis of Manganic Oxide Nanotube and its Thermal Stability
Jiping Liu, Aifei Zhang
School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081,China
P-33. Research of the Influence of Oxygen-containing Carbon Source on the Dispersion of Carbon Nanotubes
Zhang Aifei, Liu Jiping, Liu Hua
School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
P-34. Vapor-phase Synthesis of 3-Buten-1-ol from Diols over CeO2
Satoshi Sato, Ryoji Takahashi, Toshiaki Sodesawa, and Naoki Yamamoto
Department of Applied Chemistry, Faculty of Engineering, Chiba University, Yayoi, Inage, Chiba 263-8522, Japan, e-mail: satoshi@faculty.chiba-u.jp
P-35. Di-tert-butyl Peroxide Synthesis from tert-butyl Hydroperoxide and tert-Butyl Alcohol over Zeolite
Tsuyoshi Kugita, Masamitsu Nakamura, Suman K. Jana, and Seitaro Namba
Department of Material Science, Teikyo University of Science & Technology, Uenohara, Yamanashi 409-0193, Japan. kugita@ntu.ac.jp
P-36. Effect of Additives on the Decomposition of Cellulose in Supercritical Water
Kyung Bok Kim, Jeong Se Lee, Sunwook Kim
School of Chemical Eng. & Bioeng., University of Ulsan, Mugeodong, Nam-gu, Ulsan 680-749,Korea, e-mail: swkim@mail.ulsan.ac.kr
P-37. Ruthenium Nanoparticles Supported on Hydroxyapatite as Efficient and Recyclable Catalyst for cis-Dihydroxylation and Oxidative Cleavage of Alkenes
Chi-Ming Ho, Wing-Yiu Yu and Chi-Ming Che
Department of Chemistry and Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The University of Hong Kong, Pokfulam Road, Hong Kong
P-38. Ruthenium Porphyrin Supported by Soluble Polymer (PEG): Robust, Novel and Versatile Catalyst in Oxidation and Amidation
Jun-Long Zhang and Chi-Ming Che
Department of Chemistry and Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The University of Hong Kong, Pokfulam Road, Hong Kong (China)
P-39. Cyclotrimerization of Alkynes Catalyzed by Water-soluble NHC-Rhodium Complexes
Kang Hyun Park and Young Keun Chung
School of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, Korea, ykchung@plaza.snu.ac.kr
P-40. NHC-Palladium Complexes as Catalysts for the Polymerization of Olefins and Copolymerization of Norbornenes with Olefins
Il Gu Jung and Young Keun Chung
School of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, Korea, ykchung@plaza.snu.ac.kr
P-41. Luminescent Metal Complexes as Labels for Biomolecules and Candidates for Photodynamic Therapy
Ben W. K. Chu, W. S. Tang , Keith M. C. Wong, X. X. Lu, C. C. Ko, and Vivian W. W. Yam
Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China
P-42. Synthesis, Luminescence and Ion-induced trans-cis Isomerization of Palladium(II) Phosphine Complex Containing Various Receptor Sites
Hau-San Tang, Xiao-Xia Lu, Chi-Chiu Ko, Jenny Ka-Yan Wong and Vivian Wing-Wah Yam
Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China, E-mail: hstang@graduate.hku.hk, wwyam@hku.hk
P-43. Functionalized Platinum(II) Alkynyl Complexes as Colorimetric and Luminescence pH and Ion Sensors
Wing-Suen Tang, Keith Man-Chung Wong, Xiao-Xia Lu, Nianyong Zhu, Vivian Wing-Wah Yam
Centre for Carbon-Rich Molecular and Nano-Scale Metal-Based Materials Research, and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, P. R. China, E-mail: wingtang@hkusua.hku.hk, wwyam@hku.hk
P-44. Synthesis, Luminescence, Ion-Binding Properties, and Supramolecular Architecture of Gold(I) Alkynyl-calix[4]crown Complexes
Sung-Kong Yip, Eddie Chung-Chin Cheng, Kai-Leung Cheung, Li-Hua Yuan, Kung-Kai Cheung, Nianyong Zhu and Vivian Wing-Wah Yam
Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, e-mail: wwyam@hku.hk
P-45. Selective Complexation of Metals with Isoxazolidine- Containing Fluorophores
Lei Fang and Wing-Hong Chan
Department of Chemistry and Central Laboratory of the Institute of Molecular Technology for Drug Discovery and Synthesis, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
P-46. Titanium(IV) and Zirconium(IV) Triflato Complexes With an Oxygen Tripodal Ligand
Xiao-Yi Yi, Tony C. H. Lam, Ian D. Williams, and Wa-Hung Leung
Department of Chemistry and Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
P-47. Implication of the Fly Ash-based Geopolymer on Solidificating Heavy Mental Ions
Jianzhong Xu, Yunlong Zhou
College of Chemistry and Environmenal Science, Hebei University, PRChina
P-48. Mechanistic Insights into Aerobic Oxidation of 3,5-Di-tert-butylcatechol to 3,5-Di-tert-butyl-o-benzoquinone Catalyzed by Bis-m-oxo-dimanganese(III) Complex
Akira Ando, Yutaka Hitomi, Tsunehiro Tanaka, and Takuzo Funabiki
Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-goku, Kyoto 615-8510, Japan, and 2Biomimetics Research Center, Doshisha University, Kyo-tanabe, Kyoto 610-0321, Japan, e-mail:akira.ando@t01.mbox.media.kyoto-u.ac.jp
P-49. Aerobic Oxidation by Novel Catecholate Metal Complexes
Naofumi Yoshida, Yutaka Hitomi, Tsunehiro Tanaka and Takuzo Funabiki
Department of Molecular Engineering, Graduate School of Engineering Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan, Kyoto 615-8510, Japan, and 2Biomimetics Research Center, Doshisha University, Kyo-Tanabe, Kyoto 610-0321, Japan, e-mail: naofumi@yoshida.mbox.media.kyoto-u.ac.jp
P-50. A Practical, Mild Method for Highly Selectively Forming Aldehydes with Aryl Olefins and N-Oxides Catalyzed by Ruthenium Porphyrins
Jian Chen and Chi-Ming Che
Shanghai-Hong Kong Joint Laboratory on Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 354 Feng Lin Road, Shanghai 200032, China. 2 Department of Chemistry and Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The University of Hong Kong, Pokfulam Road, Hong Kong.
P-51. Selective Oxidation of Hydrogen Sulfide Containing Excess Water and Ammonia over Bi-V-Sb-O Catalysts
Dae-Won Park, Wol-Don Ju, Moon-Il Kim and Sang-Wook Park
Department of Chemical Enginnering, Pusan National University, Kumjeong-ku, Busan 609-735, Korea, e-mail : dwpark@pusan.ac.kr
P-52. Highly Diastereoselective Epoxidation of Allylically Substituted Cycloalkenes Catalyzed by Metalloporphyrins
Wing-Kei Chan, Wing-Yiu Yu, Man-Kin Wong, and Chi-Ming Che
Department of Chemistry and Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The University of Hong Kong, Pokfulam Road, Hong Kong, China
P-53. Amidation of Saturated C-H Bonds Catalyzed by Electron-Deficient Ruthenium and Manganese Porphyrins. A Highly Catalytic Nitrogen Atom Transfer Process
Xiao-Qi Yu, Jie-Sheng Huang, Xiang-Ge Zhou, Zhong-Yuan Zhou and Chi-Ming Che
Department of Chemistry and Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The University of Hong Kong, Pokfulam Road, Hong Kong (China)
P-54. Oxidation of a-Pinene Using Plant Cultured-cells of Caragana chamlagu
Wen Chai, Ken-ichi Shimamura, and C. Akira Horiuchi
Department of Chemistry, Rikkyo (St. Paul’s) University, 3-34-1 Nishi-Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan, e-mail: horiuchi@rikkyo.ac.jp
P-55. Development of Recombinant Styrene Monooxygenase and Styrene Oxide Isomerase-Negative Mutant for Preparing Chiral Styrene Oxide
E. Y. Lee, M. Park, J. Han, S. J. Lee, E. J. Kweon, E. J. Lee, H. S. Kim & S. Park
Department of Food Science and Technology, Kyungsung Univ., Busan 608-736, Korea
P-56. Reaction Kinetics of Carbon Dioxide and Glycidyl Methacrylate with Aliquat 336
Sang-Wook Park, Byoung-Sik Choi, Hyuck-In Jung, Duck-Ho Sung, and Dae-Won Park
Division of Chemical Engineering, Pusan National University, Pusan 609-735, Korea, e-mail: swpark@pusan.ac.kr
P-57. A Study on the Dinuclear Copper(I, II) Complexes and its Tyrosinase Activity
Pan, Zhi-Quan Zhou HongaLuo, Qin-Hu
Hubei Key Laboratory of Novel Chemical Reactor & Green Chemical Technology, Wuhan Institute of Chemical Technology, Wuhan，430073，P. R. China, e-mail: zhiqpan@163.com
P-58. Some of SO42-—MxOy Catalysts Used in Esterification of Acetic Acid and Butanol
Lu Weiqi, Liang Shuping, Zhou Yang
Department of Chemistry, Foshan University, Guangdong, China 528000; e-mail: wqlu@foshan.net
P-59. Synthesis of Flavoring Agent 1,2-Ethanedithiol
Fuping Zheng, Baoguo Sun, Haitao Chen, Jianchun Xie, Yuping Liu and Hongyu Tian
School of Chemical and Environmental Engineering, Beijing Technology and Business University, Beijing 100037, P. R. China, e-mail: zhengfp@th.btbu.edu.cn
P-60. Analysis of Top Fragrance from Star Aniseed by SPME-GC/MS
Jianchun Xie, Baoguo Sun, Fuping Zheng, Yuping Liu and Ruiwei Cui
School of Chemical and Enviromental Engineering, Beijing Technology and Business University, Beijing 100037, PR. China, E-mail:xjchun@th.btbu.edu.cn
P-61. Antitumor Activities and Constituents of Mycelium Extracts of A New Cordyceps sinensis Fungus
Qiaoxia Zhang, Po Hong Leung, Zongding Hu, Jianyong Wu
Department of Applied Biology & Chemical Technology, the Hong Kong Polytechnic University, Hung Hom, Hong Kong
P-62. Synthesis of 1,3-Oxazolidines and α–Hydroxy-β-amino Acids Using Metal Catalysts
Se-Youn Kang, Nam-Sun Kim, and Seung-Han Lee
Department of Chemistry, Kyunghee University, Yongin 449-701, South Korea, e-mail: shlee@khu.ac.kr
P-63. Investigation of the Structure-activity Relationship of (-)-EGCG from Green Tea
W. H. Lam, Q. P. Dou, Larry M. C. Chow, Albert S. C. Chan and T. H. Chan
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China. E-mail: bcachan@polyu.edu.hk
P-64. An Improved Synthesis of (S)-α-Ehtyl-2-Oxo-1-Pyrrolidineacetamide
Bao Cai Xu, Yan Xia Hu, Liang Yun Yu, Yuan Wang
School of Chemical and Environmental Engineering, Beijing Technology, and Business University, Beijing 100037, e-mail: xubaoc@ btbu.edu.cn
P-65. Synthesis of Tacrine Dimmer analogues
Li Jiarong, Han Fangbin, Li Wenting, and Ma Shuling
School of Chemical Engineering and Environment, Beijing Institute of Technology, Beijing 100081, P R China
P-66. Asymmetric Total Synthesis of Anticancer Drug 20(S)-Camptothecin
Yun-Yan Kuang, Lei Ji, Fen-Er Chen*
Department of Chemistry, Fudan University, Shanghai, 200433, People’s Republic China, E-mail: rfchen@fudan.edu.cn
P-67. Synthetic Studies on d-biotin. Part 101: A Practical Asymmetric Total Synthesis of d-biotin via Enantioselective Desymmertrization of meso-Cyclic Anhydride Catalyzed by Quinine
Fen Er Chen, Zhao Jianfen, Xie Bin, Dai Huifang
Department of Chemistry, Fudan University, Shanghai, 200433, P. R. China, E-mail: rfchen@fudan.edu.cn
P-68. Synthetic Studies of Pallavicinin
Xiao-Shui Peng and Henry N. C. Wong
Deaprment of Chemistry, Institute of Chinese Medicine, and Central Laboratory of the Institute of Molecular Technology for Drug Discovery and Synthesis, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China, E-mail: hncwong@cuhk.edu.hk
P-69. Synthetic Studies of Plakortones
Xun-Wei Wu and Henry N. C. Wong
Deaprment of Chemistry, Institute of Chinese Medicine, and Central Laboratory of the Institute of Molecular Technology for Drug Discovery and Synthesis, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China, E-mail: hncwong@cuhk.edu.hk
P-70. The Construction of Chiral 3-Dimensional Molecular Scaffolds Using Tetraphenylenols as Building Blocks. The Synthesis of a Building Block 1,4,5,16-tetrahydroxytetraphenylene
Bi-Bo Yang and Henry N. C. Wong
Department of Chemistry, and Central Laboratory of the Institute of Molecular Technology for Drug Discovery and Synthesis1, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China, e-mail: hncwong@cuhk.edu.hk
P-71. Synthetic Equivalents for Stepwise Generation of 1,3- and 1,4- Benzdiynes
Ya Li Chen and Albert W. M. Lee
Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, 02411210@hkbu.edu.hk
P-72. Synthesis and Reaction of Some Potentially Bioactive 3-Substituted N-Oxygenated Indoles
Ka Keung Chan, Man Kong Chan, Shuang Wang, and Michael C.K. Choi
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China (e-mail: bcckchoi@polyu.edu.hk)
P-73. Chiral Dirhodium(II,II) Complexes Catalyzed Intramolecular Amidation of Sulfamate Esters and Carbamates. Catalytic and Enantioselective Studies
Ji Zhang, Philip Wai Hong Chan, Albert S. C. Chan and Chi-Ming Che
Department of Chemistry and Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
P-74. Isolation of Iron Porphyrins Bearing Nonheteroatom-Stablized or Alkoxycarbonyl Carbenes and Their Cabon Atom Transfer Reactions with Hydrocarbons
Yan Li, Jie-Sheng Huang, Zhong-Yuan Zhou, Chi-Ming Che, Albert S. C. Chan
Department of Chemistry and Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The University of Hong Kong, Pokfulam Road, Hong Kong (China)
P-75. Rhodium(III) Porphyrins Catalyzed Selective Cyclization of α-Diazoacetamides to β- and γ-Lactams by Carbenoid C-H Insertion
Hung-Yat Thu, Wing-Yiu Yu and Chi-Ming Che
Department of Chemistry and Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The University of Hong Kong, Pokfuklam Road, Hong Kong
P-76. Ruthenium Porphyrin Catalyzed Tandem Sulfonium / Ammonium Ylide Formation and [2,3]-Sigmatropic Rearrangement. A Concise Synthesis of (±)-Platynecine
Cong-Ying Zhou, Wing-Yiu Yu, Philip Wai-Hong Chan and Chi-Ming Che
Department of Chemistry and Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The University of Hong Kong, Pokfulam Road, Hong Kong
P-77. Stereoselective Synthesis of Functionalized Pyrrolidines by Ruthenium Porphyrin Catalyzed Decomposition of a-Diazo Esters and Cascade Azomethine Ylide Formation / 1,3-Dipolar Cycloaddition Reactions
Gong-Yong Li and Chi-Ming Che
Shanghai-Hong Kong Joint Laboratory on Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 354 Feng Lin Road, Shanghai 200032, China
P-78. Asymmetric Intramolecular Alkene Cyclopropanantion Catalyzed by Ru(II)-Salen Compounds
Zhen-Jiang Xu and Chi-Ming Che
Shanghai-Hong Kong Joint Laboratory on Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 354 Feng Lin Road, Shanghai 200032, China
P-79. Recombinant Epoxide Hydrolase-catalyzed Asymmetric Resolution of Racemic Epoxides for the Production of Enantiopure Epoxides
E. Y. Lee, H. S. Kim
Department of Food Science and Technology, Kyungsung Univ., Busan 608-736, Korea
P-80. Hydroformylation of Olefins Catalyzed by Rh-Phosphine Complex in 1-Butyl-3-Methylimidazoliumtetrafloroborate
Hongjie Zheng, Min Li, Qi Lin, Hua Chen, Ruixiang Li, Xianjun Li
Key Lab of Green Chemistry and Technology of Education Ministry, The Institute of Homogeneous Catalysis, Department of Chemistry, Sichuan University, Chengdu, 610064, PR China, E-mail: scuulixj@mail.sc.cninfo.net
P-81. Highly Efficient Synthesis of Chiral Alcohols with Chiral Iridium Catalytic Systems
Jian-Shan Chen, Yan Xing, Zhen-Rong Dong, Jing-Xing Gao
State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, Xiamen University, Xiamen, 361005 Fujian, China, E-mail: cuihua@jingxian.xmu.edu.cn
P-82. Synthesis, Characterization of New Chiral Iridium Complexes and Their Use in Asymmetric Transfer Hydrogenation of Ketones
Yan-Yun Li, Bao-Zhu Li, Jing-Xing Gao
State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, Xiamen University, Xiamen 361005, China, e-mail:cuihua@jingxian.xmu.edu.cn
P-83. Remarkably Diastereoselective Synthesis of a Class of Novel Chiral Bridged Biphenyl Diphosphine Ligands and Their Applications in Asymmetric Hydrogenation Reactions
L. Qiu, J. Wu, S. Chan, Terry T. -L. Au-Yeung, R. Guo, Z. Zhou, Michael C. K. Choi, Albert S. C. Chan
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China. E-mail: bcachan@polyu.edu.hk
P-84. Synthesis of a Novel Chiral C2-Symmetric Biphenyl Diphosphine Ligand Derived from Tartartic Acid
Shu Sun, Chan, Cheng
Chao, Pai, Liqin, Qiu, Tak Hang, Chan, Hoi Lun, Kwong, Albert Sun Chi,
Chan
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China.
P-85. Stereocontrollability of Tartaric Acid-modified Nickel Catalyst in the Hydrogenation of b-Cyclopropyl-b-ketoesters
Junya Watanabe, Yuriko Nitta, Tadashi Okuyama, and Takashi Sugimura
Graduate School of Material Science, Himeji Institute of Technology, University of Hyogo
P-86. Asymmetric Hydrogenation of Acetophenone in Ionic-Liquid Media Catalyzed By Ru-TPPTS-(1S,2S)-DPENDS Complexes
Wei Xiong, Qi Lin, Hongxia Ma, Hongjie Zheng, Hua Chen, Xianjun Li
Key Lab of Green Chemistry and Technology, Ministry of Education, The Institute of Homogeneous Catalysis, Department of Chemistry, Sichuan University, Chengdu. 610064, PR China, e-mail:scuulixj@mail.sc.cninfo.net
P-87. Asymmetric Hydrogenation in Ionic Liquids
K. H. Lam, L. Xu, Q. Fan, C. P. Yuen, S. H. Chan and Albert S. C. Chan
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China. E-mail: bcachan@polyu.edu.hk
P-88. The Use of Ionic Liquids for Asymmetric Hydrogenation
W. S. Lam, Kendrew K. W. Mak, F. Y. Kwong, Terry T. L. Au-Yeung, Gamma H. Y. Cheung, F. L. Lama, W. H. Lam, Tang, Stanton H.L., Kok, C. H., Yeung, Albert S. C., Chan
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China. E-mail: bcachan@polyu.edu.hk
P-89. Efficient Approach to Chiral Ferrocenyl Ligands via Asymmetric Hydrogenation of Ferrocenyl Ketone
Wing Sze Lam, Stanton Hon Lung Kok, Fok Loi Lam, Hong Yee Cheung, Terry Tin Lok Au-Yeung, Jing Wu, Chi Hung Yeung, Hoi Lun Kwong, Albert Sun Chi Chan
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China.
P-90. Easy-accessible Ferrocenyl P/S Type Ligands and Applications for Asymmetric Catalysis
Fok Loi, Lam, Terry Tin Lok, Au-Yeung, Stanton Hon Lung, Kok, Hong Yee, Cheung, Wing Sze, Lam, Kwok Yin, Wong, Hoi Lun, Kwong, Albert Sun Chi, Chan
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China.
P-91. Synthesis and Application of Chiral Ferrocenyl-based P/S Mixed Donor Ligands
Gamma H. Y. Cheung, F. L. Lam, Terry T. -L. Au-Yeung, W. S. Lam, Stanton H. L. Kok, G. S. Chen, T. H. Chan, Albert S. C. Chan, Chi-Ming Che
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China. E-mail: bcachan@polyu.edu.hk
P-92. Synthesis and Crystal Structure of Novel Planar Chiral Diferrocenylimine-Diols
Yu-Mei Zhang, Zhi-Ming Zhou
School of Chemical Engineering and the Environment, Beijing Institute of Technology, Beijing, 100081,China, e-mail: zzm@bit.edu.cn
P-93. Synthesis and Chromatographic Properties of New b-Cyclodextrin Derivatives with a-Schiff Base
Min Fang, Zhi Ming Zhou*
R & D Center for Pharmaceuticals Beijing Institute of Technology, Beijing, 100081, e-mail: zzm@bit.edu.cn
P-94. Synthesis and Application of N,As ligands in Asymmetric Catalysis
Fuk Yee Kwong, Chi Wai Lai, Michael Yu, Duan-Ming Tan and Kin Shing Chan
Department of Chemistry, Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The Chinese University of Hong Kong, Shatin, New Teritorries, Hong Kong, e-mail: ksc@cuhk.edu.hk
P-95. Synthesis of Enantiopure Sulfinimines (Thiooxime S-oxides) Catalyzed by Yb(OTf)3 from p-Toluenesulfinamide and Aldehydes
Zhi-Yong Jiang, W. H. Chan, A. W. M. Lee
Department of Chemistry and Central Laboratory of the Institute of Molecular Technology for Drug Discovery and Synthesis†, Hong Kong Baptist University, Kowloon, Hong Kong
P-96. Effects of Solid-base Catalyst on the Carboxylation of Phenol
Takayuki Iijima, Koichi Sato, Tatsuaki Yamaguchi
Faculty of Engineering，Chiba Institute of Technology, 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan, e-mail: g0376002@cc.it-chiba.ac.jp
P-97. Simple and Highly Efficient Phosphine Ligands for Carbon-Carbon and Carbon-Nitrogen Bond Formation Processes
Fuk Yee Kwong, Wai Har Lam, Chi-Hung Yeung, Kin Shing Chan and Albert S. C. Chan
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong.
P-98. An Active Ferrocenyl Triarylphosphine for Suzuki-Miyaura Cross-Coupling of Aryl Halides
Fuk Yee Kwong, Chi-Hung Yeung, Kin Shing Chan and Albert S. C. Chan
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong.
P-99. Alkenyl Nonaflates as a New Entry in Transition Metal Catalysis: Highly Robust, Fast and Efficient Ligand-free Heck Coupling Protocol at Ambient- and Lower Temperature
Michael A. K. Vogel and Ilya M. Lyapkalo
Institute of Chemical & Engineering Sciences Ltd, 1 Pesek Road, Jurong Island, Singapore 627833, e-mail: Ilya_Lyapkalo@ices.a-star.edu.sg
P-100. Palladium-Catalyzed Asymmetrica-Arylation of Ketone Enolates
G. Chen, K. O. Chan, F. Y. Kwong, Albert S. C. Chan, Chi-Ming Che
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China. E-mail: bcachan@polyu.edu.hk
P-101. Ruthenium(II) Porphyrin Catalyzed Imine Aziridination and Crystal Structures of Meso-tetrakis(pentafluorophenyl)porphyrinatoruthenium (II) Complexes Containing PhN=CH(p-ClPh), CPh2 and Pyridine Ligands
Yan Li, Philip Wai Hong Chan, Nian-Yong Zhu and Chi-Ming Che
Department of Chemistry and Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The University of Hong Kong, Pokfulam Road, Hong Kong.
P-102. Alkene cis-Dihydroxylation by cis-[RuVI(Me3tacn)(CF3CO2)O2]ClO4 (Me3tacn = 1,4,7-trimethyl-1,4,7-triazacyclononane). Spectroscopic and Structural Characterization of [3+2] Cycloadducts
Wing-Ping Yip, Wing-Yiu Yu, Chi-Ming Che and Nian-yong Zhu
Department of Chemistry and Open Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The University of Hong Kong, Pokfulam Road, Hong Kong
P-103. Ir-Catalyzed Reductive Alkylation of Amines with Aldehydes and Silane
Satoshi Sakaguchi, Tomoya Mizuta, and Yasutaka Ishii
Department of Applied Chemistry, Faculty of Engineering & High Technology Research Center, Kansai University, Suita, Osaka 564-8680, Japan, e-mail: ishii@ipcku.kansai-u.ac.jp
P-104. Syndiospecific Polymerization of Styrene with Embedded Cp*Ti(OMe)3 Catalysts
Kyu Yong Choi, Kyoung Jo Leem, Eun Woo Shin, Jin Suk Chung
School of Chemical Eng. & Bioeng., University of Ulsan, Mugeodong, Nam-gu, Ulsan 680-749, Korea, e-mail: jschung@mail.ulsan.ac.kr
P-105. Pd-Catalyzed Asymmetric Alternating Copolymerization of Propene with Carbon Monoxide in Ionic Liquids
Haijun Wang, Lailai Wang
State Key Laboratory for Oxo Synthesis & Selective Oxidation, Lanzhou Institute of Chemical Physics , Chinese Academy of Sciences, Lanzhou 730000, China, e-mail:wll@ns.lzb.ac.cn
P-106. Copolymerization of Ethylene with Norbornene by Nonbridged (Aryloxo)(cyclopentadienyl)titanium Complexes - MAO Catalyst System
Kotohiro Nomura, Miki, Tsubota, Michiya Fujiki, and Wei Wang
Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0101, Japan, e-mail: nomurak@ms.naist.jp
P-107. Synthesis and Chain Helicity of Polyacetylene Containing L-Leucine (1S,2R,5S)-(+)-Menthyl Ester End Groups
Lo Ming Lai, Kevin Ka Leung Cheuk, Jacky Wing Yip Lam, and Ben Zhong Tang
Department of Chemistry, Center for Display Research, Institute of Nano Science and Technology, and Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis, Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China，E-mail address: tangbenz@ust.hk
P-108. Synthesis of PHB/PEG/PHB Tri-block Copolymers for Drug Delivery
Cheng Chen, Peter H.F. Yu, Man Ken Cheung
Institute of Molecular Technology for Drug Discovery & Synthesis and the Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong, China, e-mail:bckcheung@inet.polyu.edu.hk
P-109. Amphiphilic Core-Shell Nanoparticles with Poly(ethylenimine) Shells as Potential Gene Delivery Carriers
Junmin Zhu, Angie Tang, Lai Pang Law, Min Feng, Kin Man Ho, Daniel K. L. Lee, Frank W. Harris, Pei Li
Department of Applied Biology and Chemical Technology, and Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis, The Hong Kong Polytechnic University, Hung Hom, Kowloon, P. R. China
P-110. Proliferation Study of Chinese Hamster Ovary Cells and Fibroblasts on Polyhydroxyalkanotes (PHA) Copolymer Film
Yin-Chung Cheng, Chung-Him Yu, Ken-Man Cheung and Peter Hoi-Fu Yu
Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery & Synthesis and the Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong, China. E-mail: bcpyu@polyu.edu.hk
P-111. A New Method for the Construction of Regioselective Hyperbranched Macromolecules: Synthesis of Functional Hyperbranched Poly(Aroylarylene)s
Hongchen Dong, Ronghua Zheng, Jacky Wing Yip Lam, Matthias Häußler, and Ben Zhong Tang
Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China E-mail address: tangbenz@ust.hk
P-112. Synthesis of Hyperbranched Polyynes as Supporting Materials for the Preparation of Homogeneous and Heterogeneous Cobalt-Catalysts
Matthias Häubler, Jacky Wing Yip Lam, Hongchen Dong, Hui Tong, and Ben Zhong Tang*
Department of Chemistry, Institute of Nano Materials and Technology, Center for Display Research, and Open Laboratory of Chirotechnology. The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China, email: tangbenz@ust.hk
P-113. Preparation and Characterization of Novel Layered Perovskite-Type Organic/Inorganic Hybrid Materials Having Polyacetylene as the Organic Layer
Zhen Li, Jacky W. Y. Lam, Yongqiang Dong, Ben Zhong Tang
Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China
P-114. Solvent-vapor Sensitive Emission of Pentaphenylmethylsilole
Yongqiang Dong, Jacky Wing Yip Lam, Zhen Li, Hui Tong, and Ben Zhong Tang
Department of Chemistry, Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China, Phone: +852-2358-7375; Fax: +852-2358-1594; Email: tangbenz@ust.hk
P-115. Synthesis and Fluorescence Properties of a Water-soluble 2-Pyran-4-ylidene-Malononitrile Derivative
Hui Tong, Jacky Wing-Yip Lam, Yongqiang Dong, Matthias Häußler, and Ben Zhong Tang
Department of Chemistry, Institute of Nano Science and Technology, and Open Laboratory of Chirotechnology of the Institute of Molecular Technology for Drug Discovery and Synthesis, Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China
P-116. Liver and Kidney Contrast-enhanced MRI Images with Novel Gadolinium(III) Polyaminocarboxylate Macrocyclic Complexes
Kannie Wai-Yan Chan and Wing-Tak Wong*
Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China. E-mail: wtwong@hkucc.hku.hk