OXAZABOROLIDINE

作品数：9被引量：3H指数：1
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相关作者：沈宗旋陆军更多>>
相关机构：苏州大学更多>>
相关期刊：《合成化学》《Science China Chemistry》《Chinese Journal of Chemistry》《Chinese Chemical Letters》更多>>
相关基金：国家自然科学基金教育部科学技术研究重点项目更多>>
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Density functional study on enantioselective reduction of keto oxime ether with borane catalyzed by oxazaborolidine被引量：1
《Science China Chemistry》2006年第4期296-307,共12页LI Ming1, ZHENG Wenxu2 & TIAN Anmin2 1. Department of Chemistry, Southwest-China Normal University, Chongqing 400715, China 2. Department of Chemistry, Sichuan University, Chengdu 610064, China 
The enantioselective reduction of keto oxime ether with borane catalyzed by oxazaborolidine is discussed by the density functional theory (DFT) method. The main intermediates and transition states for this reaction ar...
关键词：KETO OXIME ether  oxazaborolidine  ENANTIOSELECTIVE reduction  DFT. 
Chiral Oxazaborolidine-catalyzed Asymmetric Borane Reduction of Alkyl 4-Dialkylaminophenyl Ketones被引量：1
《Chinese Journal of Chemistry》2005年第10期1457-1461,共5页许家喜 蓝宇 魏铁铮 张奇涵 
Project supported partly by the National Natural Science Foundation of China （Nos. 20272002 and 20472005） and the Excellent Young Teacher Program and the Scientific Research Foundation for the Returned 0versea Chinese Scholars of Ministry of Education of China.
A series of alkyl 4-dialkylaminophenyl ketones were prepared and reduced asymmetrically by borane under the chiral oxazaborolidine catalysis. The results indicate that the ketones show a more obvious subsfituent effec...
关键词：asymmetric catalysis BORANE enantioselective synthesis KETONE OXAZABOROLIDINE substituent effect 
Asymmetric reduction of representative ketones with a bis-chiral oxazaborolidine system
《合成化学》2004年第z1期36-36,共1页Wang Lin Wei Feng Cui Xin Zhang Xiao-xia Chen Dai-mo 
关键词：ASYMMETRIC reduction  bis-chiral oxazaborolidine  borane  KETONES 
Quantum chemical study on asymmetric catalysis reduction of imine被引量：1
《Science China Chemistry》2003年第2期124-131,共8页LI Ming (李明) TIAN Anmin (田安民) 
教育部重点科研项目
The quantum chemical method is employed to study the enantioselective reduction of imine with borane catalyzed by chiral oxazaborolidine. All the structures are optimized completely at the B3LYP/6-31G(d) level. The ca...
关键词：CHIRAL oxazaborolidine  imine  ASYMMETRIC CATALYSIS reduction  DFT. 
The Preparation and Application of two New Types of Oxazaborolidines
《Chinese Chemical Letters》2000年第5期381-382,共2页Guo Bin RONG Xing Ming LI Yong ZHANG (Department of Chemistry East China University of Science and Technology. Shanghai 200237) 
This work was supported by, the NNSFC.!(29972012)
Two new type of 1,3,2-oxazaborolidines were prepared from (Is,2s)-2-amino-1-(4-nitrophenyl)-propane-1-3-diol and were used as catalyst in the asymmetric reduction of acetophenone. The influence of the reaction tempera...
关键词：OXAZABOROLIDINE asymmetric catalytic reduction prochiral ketone 
The mechanism of asymmetric reduction catalyzed by a C_2 symmetric bis-amino alcohol catalyst——In situ NMR study of the structure of new type of dual-centered catalyst
《Science China Chemistry》2000年第1期40-50,共11页赵金铠 韩秀文 刘秀梅 包信和 杭剑峰 姜标 
By means of 1H, 13C, 11B NMR, polar transfer DEPT135, DEPT90 and 2D NMR experiments, IR, etc, the structure of the diaminodihydroxyl ligand and its derivatives used in the asymmetric reduction of prochiral ketones wer...
关键词：2D gradient experiment in SITU NMR diaminodihydroxylborane bis-oxazaborolidine. 
Enantioselective Reduction of Prochiral Ketones Catalyed by Oxazaborolidine Derived from L-Cystine
《Chinese Chemical Letters》1997年第8期679-680,共2页Xing Shu Li Xiao Ling Zhang Ru Gang Xie(Department of Chemistry, Sichuan Union University, Chengdu, 610064)(Department of Chemistry, Sichuan Educational College, Chengdu, 610041) 
Two new chiral oxazaborolidine derivated from L-cystine have been used to catalyze the enantioselective reduction of prochiral ketones and the secondary alcohols are obtained with good to excellent opitical yields.
关键词：Enantioselective Reduction of Prochiral Ketones Catalyed by Oxazaborolidine Derived from L-Cystine 
手性1,3,2—oxazaborolidine催化剂结构与性能关系的研究
《合成化学》1997年第A10期505-505,共1页沈宗旋 陆军 
关键词：手性 催化剂 前手性酮 还原 Oxazaborolidin 
A new series of chiral catalysts for the enantioselective borane reduction of ketones
《Chinese Journal of Chemistry》1997年第5期459-463,共5页Shen, ZX Zhang, YW Lu, J Xu, XN Lu, CR 
Project supported by the National Natural Science Foundation of China and the Natural Science Foundation of Jiangsu Education Commission of China
A new series of 1,3,2-oxazaborolidine catalysts substituted in position 4 by the (CH3)(3)C(CH2)(n) group (n=2, 3, 4, 5) were synthesized and applied to the borane reduction of prochiral ketones. The relationship betwe...
关键词：OXAZABOROLIDINE enantioselective borane reduction ENANTIOSELECTIVITY 
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