AN EXTREMELY EFFICIENT SYNTHESIS OF THIOPHENE 1,1-DIOXIDES - OXIDATION OF THIOPHENE DERIVATIVES WITH DIMETHYLDIOXIRANE

被引:41
作者
MIYAHARA, Y
INAZU, T
机构
[1] Department of Chemistry, Faculty of Science, Kyushu University 33 Hakozaki, Higashi-ku, Fukuoka
关键词
D O I
10.1016/S0040-4039(00)98003-1
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Dimethyldioxirane was found to oxidize electron-rich thiophene derivatives, including sterically hindered thiophenophanes, to the corresponding thiophene 1,1-dioxides in excellent yields. Electronwithdrawing groups on a thiophene ring substantially retarded the oxidation, but dimethyldioxitane remained superior to other reagents. © 1990.
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页码:5955 / 5958
页数:4
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