Chemical Constituents of Litsea cubeba.

To the best of our knowledge, compounds B 1-5 b and B 11 b were isolated for the first time from the genus I Litsea i , compounds B 1-11 b were isolated from I Litsea cubeba i for the first time. Compounds B 1-5 b and B 11 b were isolated for the first time from the genus I Litsea i , compounds B 1-11 b were isolated from I Litsea cubeba i for the first time. Compound B 1 b is a biphenyl neolignan isolated for the first time from the plant and the genus I Litsea i . Lignans represent one of the subclasses of natural products in the genus I Litsea i , which features different structural types, including neolignans, aryl tetralones, dihydrobenzofurans, furofurans, lignanamides, ditetrahydrofurans, tetrahydrofurans, benzofurans, biphenyl lignans, arylnaphthalene lignans, and dibenzylbutanelignans. [Extracted from the article]