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3alpha-Hydroxytirucalla-7,24-dien-21-oic acid: a triterpene from Protium crenatum Sandwith
A J Mora1, G Delgado, G Díaz de Delgado
1Laboratorio de Cristalografía, Facultad de Ciencias, Departamento de Química, Universidad de Los Andes, Mérida 5101, Venezuela. asiloe@ciens.ula.ve
Abstract:
The crystal structure of the title compound, C30H48O3, a triterpene extracted from the resin of Protium crenatum Sandwith, is reported. The aliphatic acidic side chain is attached to the tirucallene four-ring system on its alpha-face and is extended by 7.248 (5) A in the 'left-hand' orientation.