J. Am. Chem. Soc. 1999, 121, 8891-8897
8891
Insertion of Difluorovinylidene into Hydrogen and Methane Carsten Ko1 tting and Wolfram Sander* Contribution from the Lehrstuhl fu¨ r Organische Chemie II der Ruhr-UniVersita¨ t, D-44780 Bochum, Germany ReceiVed March 29, 1999. ReVised Manuscript ReceiVed July 15, 1999
Abstract: Insertion reactions of difluorovinylidene 1b into H2, CH4, and CD4 have been observed in argon matrixes at 20-40 K. These reactions are controlled by diffusion of trapped species rather than by activation barriers, indicating that the activation barriers are very small (
