{"title":"潜在的抗癌剂。花蓝花的化学成分(大戟科)。","authors":"M Ogura, G A Cordell, R Farnsworth","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>An aqueous ethanol extract of Jacaranda caucana Pittier (Bignoniaceae) showed in vivo antitumor activity against the P-388 lymphocytic leukemia system. Fractionation, accompanied by monitoring for biological activity, afforded a novel phytoquinoid derivative jacaranone, which exhibited both in vivo antitumor and in vitro cytotoxic activity. beta-Sitosterol, betulinic acid, ursolic acid, 2alpha-hydroxyursolic acid, 2alpha,3alpha-dihydroxyurs-12-en-28-oic acid and a new triterpene acid, jacarandic acid, were also isolated. The structure elucidation of jacarandic acid is described.</p>","PeriodicalId":18256,"journal":{"name":"Lloydia","volume":"40 2","pages":"157-68"},"PeriodicalIF":0.0000,"publicationDate":"1977-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Potential anticancer agents. IV. Constituents of Jacaranda caucana Pittier (Bignoniaceae).\",\"authors\":\"M Ogura, G A Cordell, R Farnsworth\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>An aqueous ethanol extract of Jacaranda caucana Pittier (Bignoniaceae) showed in vivo antitumor activity against the P-388 lymphocytic leukemia system. Fractionation, accompanied by monitoring for biological activity, afforded a novel phytoquinoid derivative jacaranone, which exhibited both in vivo antitumor and in vitro cytotoxic activity. beta-Sitosterol, betulinic acid, ursolic acid, 2alpha-hydroxyursolic acid, 2alpha,3alpha-dihydroxyurs-12-en-28-oic acid and a new triterpene acid, jacarandic acid, were also isolated. The structure elucidation of jacarandic acid is described.</p>\",\"PeriodicalId\":18256,\"journal\":{\"name\":\"Lloydia\",\"volume\":\"40 2\",\"pages\":\"157-68\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1977-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Lloydia\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Lloydia","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Potential anticancer agents. IV. Constituents of Jacaranda caucana Pittier (Bignoniaceae).
An aqueous ethanol extract of Jacaranda caucana Pittier (Bignoniaceae) showed in vivo antitumor activity against the P-388 lymphocytic leukemia system. Fractionation, accompanied by monitoring for biological activity, afforded a novel phytoquinoid derivative jacaranone, which exhibited both in vivo antitumor and in vitro cytotoxic activity. beta-Sitosterol, betulinic acid, ursolic acid, 2alpha-hydroxyursolic acid, 2alpha,3alpha-dihydroxyurs-12-en-28-oic acid and a new triterpene acid, jacarandic acid, were also isolated. The structure elucidation of jacarandic acid is described.
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