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Synlett 1997; 1997(2): 145-158
DOI: 10.1055/s-1997-723
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Methylidenecycloproparenes: Novel Compounds with Fascinating Properties

Brian Halton1 , Peter J. Stang2
  • 1Department of Chemistry, Victoria University of Wellington, P.O. Box 600, Wellington, New Zealand
  • 2Department of Chemistry, The University of Utah, Salt Lake City, UT 84112, USA
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Publication History

Publication Date:
31 December 2000 (online)

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Proton abstraction from the methylene position of a cycloproparene provides the corresponding C1 anion that can be intercepted by a carbonyl-containing compound to provide a wide range of novel methylidenecycloproparenes. The physical and chemical aspects of this comparatively new class of surprisingly stable, strained compounds have been explored. The present account provides a perspective on these developments from the initial experiments in the Utah laboratories.

cycloproparenes - benzocyclopropenes - methylidene derivatives