RESOLUTION, CRYSTAL-STRUCTURE AND ABSOLUTE-CONFIGURATION OF THE ENANTIOMERS OF AMINOPHENYLMETHANEPHOSPHONOUS ACID HYDRATE

被引：5
|
作者：
MUCHA, A [1 ]
TYKA, R [1 ]
SAWKADOBROWOLSKA, W [1 ]
GLOWIAK, T [1 ]
机构：
[1] UNIV WROCLAW,INST CHEM,PL-50383 WROCLAW,POLAND
来源：
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 1994年 / 92卷 / 1-4期
关键词：
AMINOPHENYLMETHANEPHOSPHONOUS ACID; ENANTIOMERS; RESOLUTION; X-RAY STUDY; CRYSTAL STRUCTURE; ABSOLUTE CONFIGURATION;
D O I：
10.1080/10426509408021464
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Enantiomers of aminophenylmethanephosphonous acid have been obtained by resolution of the racemic acid using optically active isomers of l-phenylethylamine. The crystal and molecular structures of the enantiomers of the acid monohydrate (C7H10PO2N . H2O) have been determined by single-crystal X-ray diffraction method. The crystals are monclinic, of space grup P2(1)2(1)2(1) and Z = 4. Cell constants: a = 5.410(2) Angstrom, b = 6.603(2) Angstrom, c = 25.061(5) Angstrom for (+)-(R)-enantiomer and a = 5.414(2) Angstrom, b = 6.602(2) Angstrom, c = 25.056(5) Angstrom for (-)-(S)-enantiomer. The structures solved by direct method have been refined to final R = 0.033 and R = 0.029 respectively.
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收藏
页码：129 / 138
页数：10
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