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Preliminary Studies on Acylation of 10β-OH and 7α-OH in 7-Epi-10-deacetylpaclitaxel

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Chinese Chemical Letters 1997年第10期8卷 847-848页

作者： Wei Shuo FANG Qi Cheng FANG and Xiao Tian LIANG (Institute of Materia medica , Chinese Academy of medical Sciences & Peking Union medical college.Beijing 100050) CHINESE ACAD med SCI INST MAT MEDBEIJING 100050PEOPLES R CHINA BEIJING UNION med coll BEIJING 100050PEOPLES R CHINA

10β-OH can be acylated cleanly when 7α-OH is also free, and thus a facile access to semisynthesis of 7-epi-paclitaxel was proposed. A 2's, 3's-oxazoline paclitaxel analog was serendipitously synthesized

关键词： OH in 7-Epi-10-deacetylpaclitaxel TES Preliminary Studies on Acylation of 10

Reversed－Phase　High－Performance　Liquid　　Chromatographic　Determination　of　Drugs　of　Abuse

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Chinese Chemical Letters 1996年第11期7卷 1027-1028页

作者： Ma, C Duan, HJ Xu, YQ Zhou, TH CHINESE ACAD med SCI INST MAT MEDBEIJING 100050PEOPLES R CHINA BEIJING UNION med coll BEIJING 100050PEOPLES R CHINA

A high-performance liquid chromatographic method using uv detection for thedetermination of 10 drugs of abuse is described. The method is sample and sensitive. The linear rangesare 20￣100ng/ml with relative standard ... 详细信息

关键词： Determination Drugs Abuse Chromatographic

Taxuchin B,a New Chlorine-Containing Taxoid

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Chinese Chemical Letters 1997年第3期8卷 231-232页

作者： Fang, WS Fang, QC Liang, XT Lu, Y Wu, N Zheng, QT CHINESE ACAD med SCI INST MAT MEDBEIJING 100050PEOPLES R CHINA BEIJING UNION med coll BEIJING 100050PEOPLES R CHINA

A new taxoid, taxuchin B[1], has been isolated from twigs and needles of Taxus chinensis. It is the first chlorine-containing taxoid reported to date.

关键词： Zhang Chen

Synthesis of 7-Epi-howiinol A

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Chinese Chemical Letters 1997年第10期8卷 863-864页

作者： Sun, SY Yu, DQ CHINESE ACAD med SCI INST MAT MEDBEIJING 100050PEOPLES R CHINA BEIJING UNION med coll BEIJING 100050PEOPLES R CHINA

7-Epi-howiinol A, an antitumor lactone, has been synthesized in nine steps starting from alpha-D-glucoheptonic gamma-lactone with an overall yield of 8.5%.

关键词： Cl Synthesis of 7-Epi-howiinol A HL

Selective Cyclooxygenase-2 Inhibitors: Design and Synthesis

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Chinese Chemical Letters 1999年第6期10卷 469-472页

作者： Xin Sheng LEI Zong Ru GUO Ling Bo QU Qi Qing ZHU(Institute of Materia medica. Chinese Academy of medical SciencesAnd Peking Union medical college. Beijing 100050) Chinese Acad med Sci Inst Mat Med Beijing 100050 Peoples R China Peking Union med coll Beijing 100050 Peoples R China

The discovery of COX-2 provides a novel target developing more effective NSAIDs with fewer side effects. On the basis of results from the structure-activity relationships (SAR) of selective COX-2 inhibitors, we have d... 详细信息

关键词： cyclooxygenase cyclooxygenase-2 inhibitor selective

Subvellerolactone　C，　a　New　Lactarane　Sesquiterpene　from　Lactarius　Subvellereus

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Chinese Chemical Letters 1996年第12期7卷 1097-1099页

作者： Zhang, J Feng, XZ CHINESE ACAD med SCI INST MAT MEDBEIJING 100050PEOPLES R CHINA BEIJING UNION med coll BEIJING 100050PEOPLES R CHINA

Subvellerolactone C(I), a new 3, 8-oxa-13-hydroxy-1 acrar-6-en-5-oic acid γ-lactone was isolated from the fruit bodies of Lactarius subvellereus (Russulaceae), and its structure was elucidated by means of spectroscop... 详细信息

关键词： Subvellereus Lactarius New Sesquiterpene Lactarane

Two New Polyoxygenated Cyclohexenes from Uvaria calamistrata

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Chinese Chemical Letters 1998年第10期9卷 935-938页

作者： Guang Xiong ZHOU Ruo Yun CHEN and De Quan YU(Institute of Materia medica, Chinese Academy of medical Science sand Peking Union medical college, Beijing 100050) Chinese Acad med Sci Inst Mat Med Beijing 100050 Peoples R China Peking Union med coll Beijing 100050 Peoples R China

Two new polyoxygenated cyclohexenes, named uvacalolA (1),and B (2) were isolated from the rhizomes of Uvaria calamistrata. On the basis of spectral analysis and chemical derivatization, including preparation of Mosher... 详细信息

关键词： annonaceae Uvaria calamistrata cyclohexene uvacalol

Lactariolide,a New 14-Membered-Ring Compound from Lactarius Subvellereus

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Chinese Chemical Letters 1997年第2期8卷 135-136页

作者： Jing ZHANG Xiao Zhang FENG(Institute of Materia medica, Chinese Academy of medical Sciences and Peking Union medical college, Beijing, 100050) CHINESE ACAD med SCI INST MAT MEDBEIJING 100050PEOPLES R CHINA BEIJING UNION med coll BEIJING 100050PEOPLES R CHINA

Lactariolide (I), a new 14-membered-ring lactone was isolated from the fruit bodies of Lactarius subvellereus (Russulaceae), and its structure was elucidated as (R)-13-hydroxy-trans-9, 11-octadecadienoic acid lactone ... 详细信息

关键词： Cl Lactariolide,a New 14-Membered-Ring Compound from Lactarius Subvellereus

Synthesis of Amurensin H, a New Resveratrol Dimer from the Roots of Vitis Amurensis

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Chinese Chemical Letters 1999年第10期10卷 817-820页

作者： Kai Sheng HUANG Mao LIN Ying Hong WANG(Institute of Materia medica. Chinese Academy of medical Sciencesand Peking Union medical college, Beijing 100050) Chinese Acad med Sci Inst Mat Med Beijing 100050 Peoples R China Peking Union med coll Beijing 100050 Peoples R China

Amurensin H(1) is a new resveratrol dimer isolated from the roots of Vitis amurensis Rupr. Its structure was determined by spectroscopic methods. II was synthesized from resveratrol with an oxidative coupling reaction... 详细信息

关键词： synthesis amurensin H Vitis amurensis resveratrol oxidative coupling reaction