Ring expansions of 1-haloethynyl-2-methylcyclopentanols

被引:21
作者
Herault, X [1 ]
McNelis, E [1 ]
机构
[1] NYU,DEPT CHEM,NEW YORK,NY 10003
关键词
D O I
10.1016/0040-4020(96)00561-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
1-Haloethynyl-2-methylcyclopentanols treated with iodine and HTIB ring expand stereoselectively depending on the relative position of the methyl and the hydroxyl groups. The products are 2-(dihalomethylidene)-3-methylcyclohexanones if the methyls are cis to the hydroxyl groups or 2-(dihalomethylidene)-6-methylcyclohexanones if the methyls are trans to the hydroxyls. Copyright (C) 1996 Published by Elsevier Science Ltd
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页码:10267 / 10278
页数:12
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