Citation: Lei Yu, Bo Chen, Xian Huang, Lu Ling Wu. Free radical mediated bromization of methylenecyclopropanes:Preparation of 2,4-dibromobutenes without transition metal[J]. Chinese Chemical Letters, ;2007, 18(2): 121-123. doi: 10.1016/j.cclet.2006.12.004 shu

Free radical mediated bromization of methylenecyclopropanes:Preparation of 2,4-dibromobutenes without transition metal

Lei Yu ^a, ,
Bo Chen ^a ,
Xian Huang ^a,b ,
Lu Ling Wu ^a

a Department of Chemistry, Zhejiang University (Campus Xixi), Hangzhou 310028, China;
b State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China

Received Date: 10 July 2006

A series of 2,4-dibromobutenes were synthesized by the reaction of methylenecyclopropanes with KBr in HOAc in the presence of dibenzoyl peroxide, providing an environment friendly method for the synthesis of 2,4-dibromobutenes.
- Methylenecyclopropane,
- Free radical,
- Bromine
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