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Publication 37  


  1. “The ring closure of 5-methylcyclopenta-1,3-dien-5-ylcarbene to 1-methylbenzvalene. An intramolecular 1,4 cheletropic carbene addition”
    Burger, U.; Gandillon, G.
    Tetrahedron Lett. 1979, 20, 4281-4284.

The title carbene (7) is shown to produce the benzvalene skeleton by stereospecific intramolecular 1,4 addition and not by classic cyclopropanation.

DOI : 10.1016/S0040-4039(01)86566-7