5-叔丁基 1-乙基 3-氨基-1,4,5,6-四氢-吡咯并-[3,4-c]吡唑-1,5-二羧酸酯
5-tert-Butyl 1-ethyl 3-amino-1,4,5,6-tetra-hydro-pyrrolo-[3,4-c]pyrazole-1,5-dicarboxyl-ate.
作者信息
Xia Wen-Bin, Bai Xiao-Guang, Liu Hong-Tao, Wang Ju-Xian
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2011 May 1;67(Pt 5):o1150. doi: 10.1107/S1600536811013444. Epub 2011 Apr 16.
Abstract
The asymmetric unit of the title compound, C(13)H(20)N(4)O(4), contains two crystallographically independent mol-ecules in which the dihedral angles between the fused pyrrole and pyrazole rings are 5.06 (8) and 1.12 (8)°. In the crystal, mol-ecules are linked by inter-molecular N-H⋯O and N-H⋯N hydrogen bonds into chains parallel to the b axis.
摘要
标题化合物C(13)H(20)N(4)O(4)的不对称单元包含两个晶体学独立分子，其中稠合的吡咯环和吡唑环之间的二面角分别为5.06 (8)°和1.12 (8)°。在晶体中，分子通过分子间的N-H⋯O和N-H⋯N氢键连接成平行于b轴的链。
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