A new coumestan, 3, 9-dihydroxy-4, 8-dimethoxycoumestan, was isolated from Arachis hypogaea L. together with two known compounds: 3, 9-dihydroxy-4-methoxycoumestan and 3, 9-dihydroxy-8-methoxycoumestan. The structure ...A new coumestan, 3, 9-dihydroxy-4, 8-dimethoxycoumestan, was isolated from Arachis hypogaea L. together with two known compounds: 3, 9-dihydroxy-4-methoxycoumestan and 3, 9-dihydroxy-8-methoxycoumestan. The structure was established by spectroscopic methods.展开更多
文摘A new coumestan, 3, 9-dihydroxy-4, 8-dimethoxycoumestan, was isolated from Arachis hypogaea L. together with two known compounds: 3, 9-dihydroxy-4-methoxycoumestan and 3, 9-dihydroxy-8-methoxycoumestan. The structure was established by spectroscopic methods.