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Pinnatane A from the bark of Walsura pinnata Hassk
Khalit Mohamad1, Mahfizah Yusoff, Khalijah Awang
1Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.
Abstract:
In the mol-ecule of pinnatane A, C(30)H(48)O(3), isolated from the bark of Walsura pinnata Hassk, the four cyclo-hexane rings adopt chair conformations; the carboxyl and hydr-oxy substituents occupy axial positions. The cyclo-hexene ring is envelope-shaped. Adjacent mol-ecules are linked by O-H⋯O hydrogen bonds into a chain running along the c axis.
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