TRIBUTYLTIN(IV) HYDRIDE MEDIATED FREE-RADICAL SYNTHESES OF DEHYDRODIBENZOCHROMANONES, DEHYDRODIBENZOCOUMARANONES AND ARISTOLACTAMS

被引:24
作者
ESTEVEZ, JC
VILLAVERDE, MC
ESTEVEZ, RJ
CASTEDO, L
机构
[1] UNIV SANTIAGO DE COMPOSTELA,FAC QUIM,DEPT QUIM ORGAN,E-15706 SANTIAGO,SPAIN
[2] CSIC,SECC ALCALOIDES,E-15706 SANTIAGO,SPAIN
关键词
D O I
10.1016/0040-4020(95)00124-Q
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
We describe free radical cyclization of methyl bromophenylacetylphenylacetates to novel dehydrodibenzo[de,g]chromanones; oxidation of the latter compounds allowed the first total synthesis of dehydrodibenzo[cd,f]coumaranones, which are easily transformed into aristolactams.
引用
收藏
页码:4075 / 4082
页数:8
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