SESQUITERPENE LACTONES OF TITHONIA-DIVERSIFOLIA - STEREOCHEMISTRY OF THE TAGITININS AND RELATED COMPOUNDS

被引:117
作者
BARUAH, NC
SHARMA, RP
MADHUSUDANAN, KP
THYAGARAJAN, G
HERZ, W
MURARI, R
机构
[1] REG RES LAB,DEPT ORGAN CHEM,JORHAT 785006,ASSAM,INDIA
[2] FLORIDA STATE UNIV,DEPT CHEM,TALLAHASSEE,FL 32306
关键词
D O I
10.1021/jo01325a018
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The sesquiterpene lactones tagitinins A, C, and F and tirotundin and the flavone hispidulin were isolated from Indian Tithonia diversifolia (Hemsl.) A. Gray. Complete stereochemical expressions are presented for these compounds as well as for tagitinin B and E, and the configuration at C-8 of zexbrevin, zexbrevin B, orizabin, ciliarin, calaxin, tifruticin, deoxytifruticin, viguiestin, and deacetvlviguiestin is assigned. © 1979, American Chemical Society. All rights reserved.
引用
收藏
页码:1831 / 1835
页数:5
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