T. Nguyen et C. Wakselman, ROUTE TO 2-FLUORO-3,3-DIHALOGENOACRYLATES VIA POLYHALOGENATED ALKOXYCYCLOPROPANES, Bulletin de la Societe chimique de France, 130(5), 1993, pp. 720-725
3,3-Dichloro- and 3,3-dibromo-2-fluoroacrylates have been prepared fro
m alkoxy-chlorodifluoroethylene via their dihalogenocarbene adducts. T
he orientation of the cyclopropane ring opening is discussed.