CRYSTAL AND MOLECULAR STRUCTURE OF L-CIS-3,6-DIMETHYL-2,5-PIPERAZINEDIONE (L-ALANYL-L-ALANYL-2,5-DIKETOPIPERAZINE)

被引：55

作者：

BENEDETTI, E

CORRADINI, P

PEDONE, C

机构：

[1] Polymer Research Institute, Polytechnic Institute of Brooklyn, Brooklyn, New York

来源：

BIOPOLYMERS | 1969年 / 7卷 / 05期

关键词：

D O I：

10.1002/bip.1969.360070510

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The crystal structure of L‐cis‐3, 6‐dimethyl‐2,5‐piperazinedione (L‐alanyl‐L‐alanyl‐2,5‐diketopinerazine) has been determined. The unit cell is triclinic with a = 8.05, b = 6.08, c = 5.15 Å, α = 131.7°, β = 82.4°, γ = 106.6°. The space group is P1 with one molecule per unit cell. The six‐membered ring is found to be nonplanar with an angle between the two amide group planes of 26°. One amide group deviates slightly from planarity. The experimental molecular model is discussed in terms of its flexibility. Copyright © 1969 John Wiley & Sons, Inc.

引用

页码：751 / +

页数：1

共 13 条

[1]

BALASUBRAMANIAN D, 1967, CONFORM BIOPOLYM, V1, P147

[2]

BENEDETTI E, IN PRESS

[3]

CHANDRASEKHARAN R, 1968, Proceedings of the Indian Academy of Sciences Section A, V68, P13

[4] The crystal structure of diketopiperazine [J].