Title

(1R,4R,5aS,7S,9aS)-7,9a-Dimethyl-6-methyl-ene-3-oxo-1,3,4,5,5a,6,7,8,9,9a-deca-hydro-naphtho-[1,2-c]furan-1,4-diyl diacetate

Document Type

Article

Publication Date

9-1-2012

Abstract

The title compound, C(19)H(24)O(6), is a sesquiterpene lactone isolated from the Kenyan plant Warburgia ugandensis. Ring A adopts a chair conformation, ring B is in a C(2) twist conformation and the lactone ring is nearly planar with maximum deviation 0.007 (1) Å. The reported absolute configuration is based on that of the similar compound bromo-parasiticolide A and is supported by analysis of Bijvoet differences from light atoms in Mo Kα radiation.

Publication Source (Journal or Book title)

Acta crystallographica. Section E, Structure reports online

First Page

o2612

Last Page

3

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