PREPARATION OF 6 MEMBERED CARBOCYCLES BY ARYL-TELLURIUM MEDIATED FREE-RADICAL CYCLIZATION

被引：26

作者：

BARTON, DHR ^{[1
]}

DALKO, PI ^{[1
]}

GERO, SD ^{[1
]}

机构：

[1] CNRS,INST CHIM SUBST NAT,F-91198 GIF SUR YVETTE,FRANCE

来源：

TETRAHEDRON LETTERS | 1991年 / 32卷 / 36期

关键词：

D O I：

10.1016/S0040-4039(00)92289-5

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Radical cyclisation of various telluro-compounds was examined. Olefins conjugated to an electron withdrawing group, (7, 8, 9, 10, and 11) gave high yields of the corresponding six membered products. Non-activated olefin 23 gave the corresponding thiopyridyl derivative 24 as the only product. The photolysis, using oxime 18 as radicophile for the cyclisation, proceeded slowly at room temperature, and gave only a low yield of products 19 and 20.

引用

页码：4713 / 4716

页数：4

共 18 条

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