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Fluoride Ion Elimination-Addition Reactions. Synthesis of 2,2-Difluoroethenyl Phenyl Selenide and 2,2,2-Trifluoroethyl Phenyl Selenide
Feiring, Andrew E.
, p. 1958 - 1961 (2007/10/02)
2-Chloro-2,2-difluoroethyl phenyl selenide (1) reacts with KF and a catalytic amount of 18-crown-6 to give 2,2-difluoroethenyl phenyl selenide (3) and 2,2,2-trifluoroethyl phenyl selenide (4).The latter is formed by an elimination-addition sequence. 2-Bro
