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Cyclopropanation of oxygen-containing olefins by a zinc carbenoid

 

作者: E.Kh.Kazakova,   G.I.Kovylyaeva,  

 

期刊: Bulletin of the Academy of Sciences of the USSR, Division of chemical science  （Springer Available online 2005）
卷期: Volume 32, issue 1  

页码: 175-178

 

ISSN:0568-5230

 

年代: 2005

 

DOI:10.1007/BF01167786

 

出版商: Springer_US-Boston

 

数据来源: Springer

 

摘要:

When 1,2-dihydroxy-1-methyl-4-cyclohexene is reacted with Et2Zn and CH2I2the diol group inhibits reaction at the double bond, while the epoxide function in 1,2-epoxy-1-methyl-4-cyclohexene exerts a cis-orienting effect on the cyclopropanation process, which is accompanied by isomerization of the bicyclo[4.1.0]heptane system to the bicyclo[3.1.0]hexane sytem.

 

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