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Dibenzocyclooctadiene lignans from the roots of Kadsura coccinea (Lem.) A. C. Smith.

Phan Văn Kiệm, Bùi Văn Thanh, Ninh Khắc Bản, Hoàng Thanh Hương, Nguyễn Xuân Cường, Nguyễn Hoài Nam, Châu Văn Minh

Abstract


Phytochemical investigation of the methanolic extract of the roots of Kadsura coccinea (Lem.) A. C. Smith led to the isolation of two dibenzocyclooctadiene lignans Binankadsurin A (1) and Kadsuralignan J (2). Their structures were identified by spectroscopic methods including ESI-MS, 1D- and 2D-NMR in comparison with the literature.


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