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Two new megastigmane sulphonoglucosides from Mallotus anisopodus
Chau Van Minh1, Nguyen Thi Kim Thanh, Tran Hong Quang
1Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18-Hoang Quoc Viet, Caugiay, Hanoi, Vietnam.
Natural Product Communications
|September 8, 2009
Abstract:
Phytochemical study of the methanol extract of Mallotus anisopodus led to the isolation of two new megastigmane sulphonoglucosides, namely anisoposides A (1) and B (2), along with junipetrioloside A (3), bergenin (4), os-tocopherol, and N1-methyl-2-pyridone-5-carboxamide. Their structures were deduced by spectroscopic and spectrometric methods including 1D-, 2D-NMR, ESI-MS, and HRESI-MS.
