Eleven compounds were isolated from the 95% ethanol extract of the whole plants of Incarvillea younghusbandii Sprague. On the basis of physicochemical properties and spectral methods they were identified as /J-carbolin (1) ,6, 7-dimethoxy-2-Naphthalene ethanol (2) , 6, 7-dimethoxynaphthalene-2-carboxylic acid (3 ) , 9-Hydroxy-S-skytanthine (4) .Isoincarvilline (5) .dibutyl terephthalte (6) ,( + )-rengyolone (7) ,tyrosol (8) ,cleroindicin D (9) ,4-methoxy-cinnamic acid (10) and /J-sitosterol (11). All of the compounds were isolated from the stem of this plant for the first time.%从藏波罗花95％乙醇提取物分离得到11个化合物,通过理化性质及波谱方法分别鉴定为β-咔啉(1),6,7-二甲氧基-2-萘乙醇(2),6,7-二甲氧基-2-萘乙酸(3),9-hydroxy-δ-skytanthine (4),异角蒿素(5),二丁醇对苯二酯(6),(+)-连翘环乙酮(7),对羟基苯乙(8),cleroindicin D(9),4-甲氧基肉桂酸(10)和β-谷甾醇(11).以上化合物均首次从该植物中分离得到.
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