SYNTHESES VIA VINYL SULFONES .44. BIS-ALKYLATION OF DIMETALLATED PHENYLSULFONYLMETHYL TRIFLONE - A N+1 ANNULATION STRATEGY FOR SYNTHESIS OF CYCLIC VINYL SULFONES

被引:18
|
作者
MAGAR, SS [1 ]
FUCHS, PL [1 ]
机构
[1] PURDUE UNIV,DEPT CHEM,W LAFAYETTE,IN 47907
基金
美国国家卫生研究院;
关键词
D O I
10.1016/S0040-4039(00)77705-7
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Bis-metallation of phenylsulfonylmethyl triflone 4b produces a geminal dianion which can be dialkylated to afford alpha-phenylsulfonyl triflones. Treatment of these compounds with DBU affords vinyl sulfones which can be isomerized to allyl sulfones.
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页码:745 / 748
页数:4
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