Four new neolignans isolated from Eleutherococcus senticosus and their protein tyrosine phosphatase 1B inhibitory activity (PTP1B).
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DOI: 10.1016/j.fitote.2017.06.025
Abstract: Four new compounds, erythro-7'E-4-hydroxy-3,3'-dimethoxy-8,5'-oxyneoligna-7'-ene-7,9-diol-9'-al (1), (7S,8S)-4-hydroxy-3,1',3'-trimethoxy-4',7-epoxy-8,5'-neolign-9-ol (5), (7S,8S,7'E)-5-hydroxy-3,3'-dimethoxy-4',7-epoxy-8,5'-neolign-7'-ene-9,9'-diol (6) and (7S,8S,7'E)-5-hydroxy-3,3',9'-trimethoxy-4'-7-epoxy-8,5'-neolign-7'-ene-9-ol (7). Along with four known compounds (2-4, 8) were isolated from the EtOAc-soluble extract of Eleutherococcus senticosus. Their structures were elucidated on the basis… read more here.
Keywords: four new; eleutherococcus senticosus; inhibitory activity; activity ptp1b ... See more keywords