N-tert-butoxycarbonyl-N,N′-ethylene-bridged (S)-tyrosyl-(S)-tyrosine methyl ester

被引：1

作者：

Yamato, K ^{[1
]}

Miyake, H ^{[1
]}

Hirotsu, K ^{[1
]}

Kojima, Y ^{[1
]}

机构：

[1] Osaka City Univ, Grad Sch Sci, Dept Chem, Sumiyoshi Ku, Osaka 558585, Japan

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 1999年 / 55卷

关键词：

D O I：

10.1107/S0108270199002449

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The title compound, a pseudopeptide, methyl (2S)-3-(4-hydroxyphenyl)-2-[(3S)-4-(tert-butoxycarbonyl)-3-(4-hydroxybenzyl)-2-oxopiperazin-1-yl]propionate, C26H32N2O7, was crystallized from an H2O/methanol solution. The two N-substituted chains on the piperazin-2-one (MKP) ring lie in the quasi-equatorial position and the third chain lies in the quasi-axial position. Each side chain on the tyrosines is located opposite the MKP ring. The MKP ring has a pseudo-chair form.

引用

页码：1023 / 1025

页数：3

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