Conversion of delta-(sulfonyl)amino-alpha-epoxy ketones to bicyclic ketopyrroles via intramolecular conjugate-addition to azoene intermediates. Synthesis of the bicyclic ketopyrrole core of the 1-azafulvene roseophilin.

被引:31
作者
Kim, SH [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
10.1016/0040-4039(96)00390-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Reaction of delta-(sulfonyl)amino-alpha-epoxy ketones with dimethylhydrazine results in cyclization to pyrrolidine-fused beta-hydroxy dimethylhydrazones. elimination affords dihydropyrroles which can be converted to sulfonyl-protected ketopyrroles via oxidation with NIS; alternatively, treatment with DBU affords N-H bearing ketopyrroles. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码:2545 / 2548
页数:4
相关论文
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