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STEREO: 作品数：258被引量：335H指数：8; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：王晶晶刘四清罗冰显龚建村汪毓明更多>>; 相关机构：中国科学院华中科技大学中国科学技术大学哈尔滨工程大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家重点实验室开放基金更多>>

An unexpected stereochemical effect of thio-substituted Asp in native chemical ligation: 《Chinese Chemical Letters》2024年第8期278-281,共4页Min Fu Pan He Sen Zhou Wenqiang Liu Bo Ma Shiying Shang Yaohao Li Ruihan Wang Zhongping Tan; the CAMS Innovation Fund for Medical Sciences (CIFMS,No.2021-I2M-1-026);the National Key R & D Program of China (No.2018YFE0111400);the NIH Research Project Grant Program (No.R01 EB025892);the National Natural Science Foundation of China (the Training Program of the Major Research Plan,No.91853120);the National Major Scientific and Technological Special Project of China (Nos.2018ZX09711001-005 and 2018ZX09711001-013);the State Key Laboratory of Bioactive Substance and Function of Natural Medicines,Institute of Materia Medica;the Biomedical High Performance Computing Platform,Chinese Academy of Medical Sciences,the Chinese Academy of Medical Sciences;Peking Union Medical College for funding and support; This study presents an unexpected finding that the cis isomer of β-thio-Asp exhibits higher ligation ac-tivity than the trans isomer.This discovery sheds light on the intricate nature of native chemical ligation and ...; 关键词：Native chemical ligation STEREOCHEMISTRY Ligation activity β-Thio-Asp Intramolecular hydrogen bond

Well-defined phosphate yttrium dialkyl complexes for catalytic stereo-controllable 1,4-polymerization of isoprene: 《Chinese Chemical Letters》2022年第5期2402-2406,共5页Pusu Yang Hui-Zhen Du Xiang-Yu Zhang Yong-Liang Xia Jun-Tao Sun Qian Peng Bing-Tao Guan; the support from the Fudan University;supported by National Natural Science Foundation of China (Nos. 21890722 and 21950410519);National Natural Science Foundation of Tianjin (No. 19JCYBJC20100); Oxygen ligation is envisioned to provide a stable and distinctive coordination environment to the strongly oxophilic rare-earth metals. However, the well-defined dialkyl complexes bearing oxyanion ancillary ligand had...; 关键词：PHOSPHATE Yttrium alkyls ISOPRENE Stereo-controllable 1 4-Polymerization

Spiro(phosphoamidite) ligand(SIPHOS)/Cu(OTf)2-catalyzed highly regio-and stereo-selective hydroborations of internal alkynes with diborane in water: 《Chinese Chemical Letters》2017年第6期1163-1166,共4页Qing-Qing Xuan Ya-Hui Wei Qiu-Ling Song; The highly regio-and stereoselective hydroborations of unactivated internal alkynes with diboron compound catalyzed by Cu（OTf）2 with spiro（phosphoamidite） as ligand in the presence of Cs2CO3 in water was developed...; 关键词：Unactivated internal alkynes Diboron compound Spiro（phosphoamidite） ligand Aqueous synthesis Multi-substituted vinylboranes

Tf_2NH-catalyzed,highly regio-and stereo-selective synthesis of trisubstituted alkenes and indane derivatives from benzylic alcohols and alkenes: 《Chinese Chemical Letters》2015年第3期320-322,共3页Hai-Hua Li; A reaction of benzylic alcohols with alkenes has been developed in the presence of bis（trifluoromethane）sulfonimide for the synthesis of trisubstituted alkenes and indane derivatives with high stereoselectivity.In g...; 关键词：alcohols catalyzed afford selectivity stereo Friedel react catalysis inexpensive stilbene

Regio- and stereo-selective synthesis of multi-substituted 3-pyrrolines: 《Chinese Chemical Letters》2009年第9期1015-1016,共2页Jian Feng Xu Peng Bin Li Lu Ling Wu Xian Huang; the National Natural Science Foundation of China(No.20672095);CAS Academician Foundation of Zhejiang Province for financial support; A regio- and stereo-selective synthesis of multi-substituted 3-pyrrolines has been developed. The multi-substituted 3-pyrrolines were synthesized in good yields by 1,3-dipolar cycloaddition of methyl 2-（phenylselanyl...; 关键词：3-Pyrrolines 1 3-Dipolar cycloaddition REGIOSELECTIVE STEREOSELECTIVE

Stereoselective Functionalization at C-2 and C-3 of the Gibberellin via an Intramolecular Free Radical Cyclization Approach被引量：1: 《Chinese Chemical Letters》2001年第5期397-398,共2页An Qi CHEN Christine L.WILLIS; Stereoselective functionalization at C-2 and C-3 of the gibberellin skeleton was achieved via an intramolecular free radical cyclization approach using a tethered C-19 halomethyl ester as the radical precursor.; 关键词：GIBBERELLIN LACTONIZATION free radical cyclization.

A Stereoselective Approach to S-Vinyl Thioesters from Alkynes,Elemental Sulfur and Acyl Chlorides: 《Chinese Chemical Letters》2000年第1期1-2,共2页Jun Hua WANG Qing Xu Xian HUANG Department of Chemistry, Zhejiang University (Campus Xixi), Hangzhou 310028; A facile, stereoselective synthesis of S-vinyl thioesters from easily available starting compounds and reagents is showed.; 关键词：S-vinyl thioesters HYDROZIRCONATION

Studies on the Total Synthesis of Pseudolaric Acid A Stereocontrolled Synthesis of the Seven-membered Lactone: 《Chinese Chemical Letters》1999年第4期281-284,共4页You Hong HU Li Gong OU Xi Lu WANG Dong Lu BAI(Shanghai Institute of Materia Medica,Chinese Academy of Sciences. 294 Taiyuan Road, Shanghai 200031); The lactone 16 was obtained stereo- and regioselectively by a reaction sequence of 9 steps in 21% overall yield.; 关键词：Pseudolaric acid A stereocontrol synthesis seven-membered lactone

SYNTHESIS OF STEREO-ISOMERS OF SECOCLAUSENAMIDEⅠAND SECODEMETHYLCLAUSENAMIDE Ⅱ: 《Chinese Chemical Letters》1994年第4期269-270,共2页Jin Fa DU Jin ZHOU and Liang HUANG(Institutc of Materia Medica, Chinese Academy of Medical Sciences, Beijing 100050); D-mannitol through oxidation of its diacetonide gave aldehyde which condensed with PhTi(Oipr)3 stercoselechvely to yield (2R,3R) and (2R,3S) in the ratio of 9: 1. The 1,2-acetonide was transformed to 2,3-aeetonide ...

STEREOSTRUCTURAL DETERMINATION OF ADDITION PRODUCTS FROM ISOFURANOGERMACRENE AND MALEIMIDE BY NMR TECHNIQUES: 《Chinese Chemical Letters》1992年第11期891-894,共4页Xiu Wen HAN Man KONG Wen Yi HE Chang Fu XU Shi Zhen MAO Xiao Long XU Yan Wu YANG Guo Xi WANG; The stereostructures of the title compounds were shown to be represented by (A) and (B).; 关键词：NMR STEREOSTRUCTURAL DETERMINATION OF ADDITION PRODUCTS FROM ISOFURANOGERMACRENE AND MALEIMIDE BY NMR TECHNIQUES NOE

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