STRUCTURE ELUCIDATION OF FOUR STEROIDS FROM THE SOFT CORAL SINULARIA NANOLOBATA

Ninh Thi Ngoc, Nguyen Van Thanh, Nguyen Xuan Cuong, Nguyen Hoai Nam, Do Cong Thung, Chau Van Minh

Abstract


Four steroids namely 3β-hydroxyergosta-5,24(28)-diene-7-one (1), dissesterol (2), 16α-hydroxysarcosterol (3), and sarcophytosterol (4) were isolated form the soft coral Sinularia nanolobata using various chromatographic methods. Their structures were elucidated by detailed analysis of the 1D and 2D NMR data and comparison with the reported values.


Keywords


Sinularia nanolobata; soft coral; steroid

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Published by Vietnam Academy of Science and Technology