Litseaglutinan A and Lignans from Litsea glutinosa

A new abscisic acid derivative, named litseaglutinan A (1), and a new arylnaphthalene-type lignan, (7'S,8R,8'S)-4,4',9-trihydroxy-3-3',5-trimethoxy-9'-O-beta-Dxylopyranosyl-2,7-cyclolignan (2), were isolated from the AcOEt extract of Litsea glutinosa, together with nine known lignans. Their structures were established by spectroscopic methods.