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检索条件"主题词=Diastereoselective synthesis"
5 条 记 录,以下是1-10 订阅
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synthesis and Structural Determination of (2R,4S,SS)-(+)-Threo-5-(2,2-dichloroacetamido)-4-(4-nitrophenyl)-2-aryl-1,3-dioxanes
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Chinese Chemical Letters 1999年 第3期10卷 199-200页
作者: Jun LIU Xian Ming HU Han Sheng XU(Department of Chemistry, Wuhan University, Wuhan 430072) Department of Chemistry Wuhan University Wuhan 430072 China
(2R,4S,SS)-(+)-threo-5-(2,2-dicloroacetamido)-4-(4-nitrophenyl-2aryl-l,3dioxanes, were synthesized with high diastereoselectivity and good yields. The structuresofacetals were determined and the configurations were co... 详细信息
来源: 维普期刊数据库 维普期刊数据库 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 同方期刊数据库 同方期刊数据库 评论
Studies toward the synthesis of (R)-(+)-Harmicine
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Chinese Journal of Chemistry 2012年 第10期30卷 2297-2302页
作者: 莫凡洋 李飞 邱頔 张艳 王剑波 Beijing National Laboratory of Molecular Sciences(BNLMS)and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education College of ChemistryPeking UniversityBeijing 100871China
The study toward the total synthesis of (R)-(+)-harmicine is reported in this paper. The enantioselective syn- thesis of pyrrolidinone, the main backbone of of (R)-(+)-harmicine, has been completed by the me... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
diastereoselective Syntheses of (+)-α-Cyperone and Its C-10 Epimer
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Chemical Research in Chinese Universities 1998年 第3期14卷 126-128页
作者: ZOU Ning CHENG Dong liang PAN Xin fu CHEN Yao zu Department of Chemistry State Key Laboratory of Applied Organic ChemistryLanzhou UniversityLanzhou730000
Introduction(+)-α-Cyperone(1)and(-)-α-10-epicyperone(2)arewidelyusedaschiraltemplatesforthesynthesisofothers... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Novel Concise synthesis of (-)-Clausenamide1
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Chinese Journal of Chemistry 2013年 第3期31卷 344-348页
作者: Di Liu Xiaoming Yu Liang Huang State Key Laboratory of Bioactive Substance and Function of Natural Medicine Beijing Key Laboratory of ActiveSubstance Discovery and Drugability Evaluation Institute of Materia Medica Chinese Academy of Medical Sci-ences & Peking Union Medical College Beijing 10050 China
A six-step synthesis of (-)-clausenamide is described. Optically pure (R,E)-1,3-diphenylallylic alcohol was ac-etylated and then subjected to an Ireland-Claisen rearrangement, giving the γ,δ-unsaturated acid, wh... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Asymmetric syntheses of (8R,8aS)- and (8R,8aR)-8-hydroxy-5-indolizidinones:Two promising oxygenated indolizidine building blocks
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Science China Chemistry 2011年 第4期54卷 737-744页
作者: ZHANG HongKui LI Xin HUANG Huang HUANG PeiQiang Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province College of Chemistry and Chemical EngineeringXiamen UniversityXiamen. China
Starting from the oxygenated piperidine building block 20,two synthetic approaches to new building blocks (8R,8aS)-and (8R,8aR)-8-hydroxy-5-indolizidinones 19a/19b and 15a/15b have been developed,respectively. The fir... 详细信息
来源: 维普期刊数据库 维普期刊数据库 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 同方期刊数据库 同方期刊数据库 评论