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Diterpenes from Cycas nitida | Abstract
Scholars Research Library

Scholars Research Library

Der Pharmacia Lettre

Abstract

Diterpenes from Cycas nitida

Author(s): Consolacion Y. Ragasa, Vincent Antonio S. Ng, Esperanza Maribel G. Agoo, and Chien-Chang Shen

Chemical investigation of the dichlroromethane extracts of Cycas nitida afforded labda-8(17),13(16),14-trien-18-ol (1) from the petiole and rachis;18-hydroxy-isopimara-7,15-diene (2) from the megasporophyll lamina; and a mixture of abietatriene (3)and squalenefrom the roots. The structures of 1-3were elucidated by extensive 1D and 2D NMR spectroscopy.


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