Abstract
Tris(trifluoromethyl)bismuth generates difluorocarbene at -30°C in the presence of aluminum chloride. By reaction of the difluorocarbene with isobutylene, styrene, cyclohexene, and 2,3-dimethylbutadiene the corresponding substituted difluorocyclopropanes were obtained.
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Kirii, N., Pazenok, S., Yagupolskii, Y. et al. Carbenoid Reactions of Organoelemental Compounds Containing Trifluoromethyl Groups: VII.2* Difluorocyclopropanation of Olefins and Dienes with a System Tris(trifluoromethyl)bismuth-Aluminum Chloride2*2*. Russian Journal of Organic Chemistry 37, 207–209 (2001). https://doi.org/10.1023/A:1012318710556
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DOI: https://doi.org/10.1023/A:1012318710556