RESOLUTION AND ABSOLUTE-CONFIGURATION OF A TRICYCLIC LACTONE - A POTENTIALLY USEFUL PRECURSOR OF HIGHLY FUNCTIONALIZED TERPENOIDS

被引:15
作者
PREITE, MD [1 ]
ZINCZUK, J [1 ]
COLOMBO, MI [1 ]
BACIGALUPPO, JA [1 ]
GONZALEZSIERRA, M [1 ]
RUVEDA, EA [1 ]
机构
[1] UNR,CONICET,FAC CIENCIAS BIOQUIM & FARMACEUT,INST QUIM ORGAN SINTESIS,CASILLA CORREO 991,RA-2000 ROSARIO,ARGENTINA
关键词
D O I
10.1016/S0957-4166(00)86006-1
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The highly functionalized tricyclic lactone 1 was obtained in optically pure form by the sulfoximine-mediated resolution of the enone methyl acetal 3. The absolute configuration of (-)-3 and consequently of (+)-1, was determined by the transformation of (-)-3 into (-)-5, a known intermediate in the total synthesis of forskolin (2) and confirmed by application of the high field FT NMR Mosher method to alcohol 6.
引用
收藏
页码:17 / 20
页数:4
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