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出 处:《中国中药杂志》1997年第2期106-107,共2页China Journal of Chinese Materia Medica
摘 要:从银杏叶的乙酸乙酯部分首次得到一二苯乙烯类化合物。经理化常数测定,光谱(UV,IR,MS,1HNMR,13CNMR谱)分析,结构3,3′二甲氧基4,4′二羟基1,2二苯乙烯。Four compounds were isolated from ethyl acetate extract of the leaves of Ginkgo biloba . Compounds Ⅱ,Ⅲ, Ⅳ were identified as ginkgolides A, B and C respectively, Compound Ⅰ, which was obtained from the leaves of G. biloba for the first time, was identified as 3,3′ dimethoxy 4,4′ dihydroxy stilbene by spectroscopic methods.
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