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1-(4-叔丁基-苄基)嘧啶-2,4(1H,3H)-二酮

1-(4-tert-Butyl-benz-yl)pyrimidine-2,4(1H,3H)-dione.

作者信息

Wang Hong-Sheng, Li Gong-Chun

机构信息

School of Chemistry and Chemical Engineering, Xuchang University, Xuchang, Henan Province 461000, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2012 Apr 1;68(Pt 4):o1047. doi: 10.1107/S1600536812008999. Epub 2012 Mar 14.

DOI:10.1107/S1600536812008999
PMID:22589917
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3344008/
Abstract

The asymmetric unit of the title compound, C(15)H(18)N(2)O(2), contains two independent mol-ecules with essentially identical geometries and conformations. The dihedral angles between the benzene and pyrimidine rings in the two mol-ecules are 89.96 (11) and 73.91 (11)°. The six methyl groups are disordered over two sets of sites, with site occupancies of 0.545 (4):0.455 (4) and 0.542 (7):0.458 (7) in the two mol-ecules. The crystal structure is stabilized by N-H⋯O hydrogen bonds.

摘要

标题化合物C(15)H(18)N(2)O(2)的不对称单元包含两个独立分子,其几何形状和构象基本相同。两个分子中苯环和嘧啶环之间的二面角分别为89.96 (11)°和73.91 (11)°。六个甲基在两组位置上无序分布,在两个分子中的占位分别为0.545 (4):0.455 (4)和0.542 (7):0.458 (7)。晶体结构通过N-H⋯O氢键得以稳定。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/00ce/3344008/e123446eb70a/e-68-o1047-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/00ce/3344008/655c20041ecb/e-68-o1047-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/00ce/3344008/e123446eb70a/e-68-o1047-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/00ce/3344008/655c20041ecb/e-68-o1047-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/00ce/3344008/e123446eb70a/e-68-o1047-fig2.jpg

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本文引用的文献

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