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Records of Natural Products
Yazarlar: Zhi Na, Qishi Song Huabin Hu
Konular:-
Anahtar Kelimeler:Millettia leptobotrya Dunn ,Leguminosae,Leptobotryanone,Isoflavone .
Özet: A new furanoisoflavone, 2 ' -methoxy-4 ' ,5 ' -methylenedioxy-[2 '' ,3 '' :7,8 ] furanoisoflavone, leptobotryanone ( 1 ) , and a new natural O-prenylated isoflavone, 4 ' -γ,γ-dimethylallyloxy-5,7-dihydroxyisoflavone ( 2 ) , were isolated from the twig s of Millettia leptobotrya, together with twelve known flavonoids, 4 ' -γ,γ-dimethylallyloxy-5-hydroxy-7-methoxyisoflavone ( 3 ), 2 ' ,6,7-trimethoxy-4 ' ,5 ' -methylenedioxy- isoflavone (4), 2 ' ,7-dimethoxy-4 ' ,5 ' -methylenedioxyisoflavone (5), maximaisoflavone B (6), medicarpin (7) , maackiain (8), genistein (9), biochanin A (10), prunetin (11), chrysoeriol (12) , kaempferol (13) and desmoxyphyllin A (14) The structures of new compounds were elucidated on the basis of spectroscopic data interpretation , including 1D and 2D NMR and HREIMS. Th is is the first phytochemical investigation of this plant.