34. “The transformation of difluorocarbene into 3,3-diflurocyclopropene”
    Jefford, C. W.; Acar, M.; Delay, A.; Mareda, J.; Burger, U.
    Tetrahedron Lett. 1979, 20, 1913-1916.

The addition of difluorocarbene to benzobarrelene gives the syn and anti 1,2 mono-adducts. Heating of either of them at 200°C in hexadeuteriobenzene generates naphthalene and 3,3-difluorocyclopropene.

DOI : 10.1016/S0040-4039(01)86877-5 

archive ouverte unige:6234