Two new biphenyl butyl neolignan derivatives,named gymnothebutyllignans A(1) and B(2),were isolated from the whole parts of endemic medicinal plant of Gymnotheca involucrata(Saururaceae).The structures of the ne...Two new biphenyl butyl neolignan derivatives,named gymnothebutyllignans A(1) and B(2),were isolated from the whole parts of endemic medicinal plant of Gymnotheca involucrata(Saururaceae).The structures of the new compounds were elucidated by extensive NMR and MS data,and the absolutely configuration of compound 1 was confirmed by X-ray crystal diffraction analysis.展开更多
基金financially supported by grants from the National Natural Sciences Foundation of China(No.31560102)
文摘Two new biphenyl butyl neolignan derivatives,named gymnothebutyllignans A(1) and B(2),were isolated from the whole parts of endemic medicinal plant of Gymnotheca involucrata(Saururaceae).The structures of the new compounds were elucidated by extensive NMR and MS data,and the absolutely configuration of compound 1 was confirmed by X-ray crystal diffraction analysis.