Reactions of nitrosalicylic aldehydes with chloromethyl tolyl sulfone anion. Synthesis of 2-hydroxydihydrobenzofurans.

被引:8
作者
Makosza, M [1 ]
Ziobrowski, T [1 ]
Kwast, A [1 ]
机构
[1] Polish Acad Sci, Inst Organ Chem, PL-01224 Warsaw, Poland
关键词
D O I
10.1016/S0040-4020(98)00364-0
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Vicarious nucleophilic substitution of hydrogen (VNS) with chloromethyl tolyl sulfone carbanion does not occur in 3-, 4- and 5-nitrosalicylaldehydes. Instead, nucleophilic addition to the carbonyl group takes place leading to 2-hydroxydihydrobenzofurans. The same reaction course is observed for other salicyl aldehyde derivatives. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:6811 / 6816
页数:6
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