DRAMATIC DIFFERENCES IN THE EFFECTIVENESS AMONG VARIOUS COUPLING METHODS IN THE SYNTHESIS OF PEPTIDES CONTAINING ALPHA,ALPHA-DIPHENYLGLYCINE

被引:14
作者
YAMADA, T
OMOTE, Y
NAKAMURA, Y
MIYAZAWA, T
KUWATA, S
机构
关键词
D O I
10.1246/cl.1993.1583
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Both couplings of N-benzyloxycarbonyl-alpha,alpha-diphenylglycine (Z-Dph) with methyl esters of various amino acids (AA-OMe) and Z-AA with Dph-OMe by various methods can yield Z-Dph-AA-OMe and Z-AA-Dph-OMe, respectively. Yields of the dipeptides remarkably differ from over 90% to 0% depending on the coupling method employed.
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页码:1583 / 1586
页数:4
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