Malus spp.栽培品种新倭锦(Black Ben Davis)苹果皮部,经风干用乙醇提取,蒸去乙醇混悬于水,先后用氯仿、乙酸乙酯萃取。氯仿中分得二十九烷醇-10,mp80~82℃.IR显示长键醇,MSm/e:423(M+-1),406(M-H2O),297(C19)H39CH=OH),157(C9H1...Malus spp.栽培品种新倭锦(Black Ben Davis)苹果皮部,经风干用乙醇提取,蒸去乙醇混悬于水,先后用氯仿、乙酸乙酯萃取。氯仿中分得二十九烷醇-10,mp80~82℃.IR显示长键醇,MSm/e:423(M+-1),406(M-H2O),297(C19)H39CH=OH),157(C9H19CH=OH,基峰),其间有系列差14质量数的峰。乙酸乙酯浓缩后析出白色针晶,mp279~282℃,Liebermann反应(+),分析:C30H48O3,计算值(%):C79.01,H10.61;实验值(%):C78.03,H10.61。NMR(δ):0.95(3H,s,CH3),1.00(3H,s,CH3),1.15(9H,s,3CH3),1.30(6H,s,2CH3),1.50~2.40(24H,m),3.10(1H,展开更多
文摘Malus spp.栽培品种新倭锦(Black Ben Davis)苹果皮部,经风干用乙醇提取,蒸去乙醇混悬于水,先后用氯仿、乙酸乙酯萃取。氯仿中分得二十九烷醇-10,mp80~82℃.IR显示长键醇,MSm/e:423(M+-1),406(M-H2O),297(C19)H39CH=OH),157(C9H19CH=OH,基峰),其间有系列差14质量数的峰。乙酸乙酯浓缩后析出白色针晶,mp279~282℃,Liebermann反应(+),分析:C30H48O3,计算值(%):C79.01,H10.61;实验值(%):C78.03,H10.61。NMR(δ):0.95(3H,s,CH3),1.00(3H,s,CH3),1.15(9H,s,3CH3),1.30(6H,s,2CH3),1.50~2.40(24H,m),3.10(1H,