CONTROL OF THE ENANTIOMERIC PURITY OF N-BOC N-METHYLAMINO ACID BUILDING-BLOCKS BY A CONVENIENT NMR METHOD

被引:6
作者
CALMES, M
DAUNIS, J
ELYACOUBI, R
JACQUIER, R
机构
[1] Laboratoire de synthèse et d't́udes physicochimiques d'aminoacides, peptides. URA 468 - Université de Montepellier II -, 34095 MONTPELLIER Cedex 5, Place E.Bataillon
关键词
D O I
10.1016/S0957-4166(00)86324-7
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The enantiomeric purity of N-Boc N-methylamino acid methyl esters could be easily and accurately established by measuring at 250 MHz in presence of Eu(hfc)3 the enantiomeric shift separation of N-Boc and/or N-methyl signals of one of the conformers. © 1990.
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页码:329 / 334
页数:6
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