3,28-Diacet-oxy-29-bromo-betulin.
作者信息
Ding Wei-Min, Jing Li-Jia, Yu Tao, Wang Yang, Yan Xiu-Feng
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2009 Jul 25;65(Pt 8):o1982. doi: 10.1107/S1600536809027640.
Abstract
In the title mol-ecule, C(34)H(53)BrO(4), all the cyclo-hexane rings adopt chair conformations, while the cyclo-pentane ring adopts an envelope conformation. In the crystal, weak inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into corrugated sheets parallel to the ab plane.
摘要
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