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Absolute configuration of 3β-acet­oxy­olean-11,12-aziridin-28,13-β-olide

By Wen Nee Tan, Keng Chong Wong, Melati Khairuddean, Madhukar Hemamalini and Hoong-Kun Fun


The title compound, C32H49NO4, has been isolated from the dichloro­methane extract of the stem bark of Garcinia atroviridis Griff. ex T. Anders. Rings A and B, B and C, and C and D are trans-fused, whereas rings D and E are cis-fused. Rings A, B, C and E have slightly distorted chair conformations, while ring D is most heavily distorted towards a half-chair conformation owing to the strain induced by the lactonization. The ester group attached to ring A is in an equatorial position

Topics: Organic Papers
Publisher: International Union of Crystallography
OAI identifier:
Provided by: PubMed Central

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