Journal of Asian Natural Products Research 2015
Novel stilbenes from Artocarpus nanchuanensis.
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Four new stilbene derivatives, hypargystilbenes B-E (1-4), together with seven known compounds (5-11), were isolated from the stems of Artocarpus nanchuanensis S.S. Chang. Their structures were elucidated on the basis of spectral data. Hypargystilbene B, hypargystilbene D, and hypargystilbene E exhibited protein tyrosine phosphatase 1B inhibitory effects with corresponding IC50 values of 3.23, 37.31, and 2.53 nM.