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Synlett 1993; 1993(8): 589-591
DOI: 10.1055/s-1993-22541
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Regioselective Generation and Stereoselective [1 + 2] Cycloaddition of Substituted Vinylcarbenes

Hidetoshi Tokuyama* , Taro Yamada, Eiichi Nakamura
  • *Department of Chemistry, Tokyo Institute of Technology, Meguro, Tokyo 152, Japan
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Publication History

Publication Date:
19 March 2002 (online)

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Thermolysis of a mixture of the substituted cyclopropenone acetal 1a and an electron-deficient olefin produces the cyclopropane 5 as a predominant (86-100%) structural isomer through (1 + 2] cycloaddition of the vinylcarbene isomer 2 via an endo transition state 4.

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