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Synlett 2011(12): 1731-1734  
DOI: 10.1055/s-0030-1260814
LETTER
© Georg Thieme Verlag Stuttgart ˙ New York

Convenient and Stereoselective Synthesis of Symmetrical (E)-Stilbenes via Homocoupling of 1,3-Dibenzylbenzotriazolium Bromides

Xiaohui Xiao*a, Daqin Lina, Shuitian Tonga, Hong Luob, Yinfeng Hea, Hailan Moa
a Department of Chemistry, Zhejiang Normal University, 688 Yingbing Road, Jinhua, Zhejiang 321004, P. R. of China
Fax: +86(579)82282610; e-Mail: xxh@zjnu.cn;
b College of Geography and Environmental Science, Zhejiang Normal University, 688 Yingbing Road, Jinhua, Zhejiang 321004, P. R. of China
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Publication History

Received 9 April 2011
Publication Date:
05 July 2011 (online)

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Abstract

Using NaH as the base and DMSO as the solvent, a series of symmetric (E)-stilbenes were prepared in good yields via the ­homocoupling of 1,3-dibenzylbenzotriazolium bromides at room temperature.

Key words

stilbenes - 1,3-dibenzylbenzotriazolium bromides - ylides - coupling - elimination

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