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Multi-Stage Crystalline State Racemization of a Bulky Chiral Group

 

作者: Yoshii Sam,   Yuji Ohashi,   Yoshifusa Arai,   Yoshiaki Ohgo,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 1992）
卷期: Volume 219, issue 1  

页码: 149-152

 

ISSN:1058-725X

 

年代: 1992

 

DOI:10.1080/10587259208032127

 

出版商: Taylor & Francis Group

 

关键词: Crystalline State Reaction;Racemization;Cobaloxime Complexes;X-ray structure analysis

 

数据来源: Taylor

 

摘要:

A chiral dimethoxycarbonylethyl group in a cobaloxime complex with pyridine as an axial base ligand revealed crystalline-state racemization by X-ray exposure or visible light, whereas those of complexes with (S)- and (R)-phenylethylamines and propylamine showed no change. Such differences can be explained by the size of the reaction cavity for the dimethoqcarbonylethyl group and the packing mode of the groups in each crystal.

 

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