3β-Acet-oxy-12-oxoolean-28-oic acid benzyl ester

Acta Crystallogr Sect E Struct Rep Online. 2011 May 1;67(Pt 5):o1027. doi: 10.1107/S1600536811010968. Epub 2011 Apr 7.

Abstract

The mol-ecule of title compound, C(39)H(56)O(5), contains five fused six-membered rings, four of which (rings A, B, D and E) adopt a chair conformation, while the other (ring C) has a half chair conformation. The acet-oxy and carb-oxy-benzyl groups occupy equatorial positions.