Reaction of 1-hydrohexafluoroisobutenyloxytrimethylsilane with fluoride ion sources. 2, 2, 2', 2'-Tetrakis (trifluoromethyl) divinyl ether

AY Volkonskii, EM Kagramanova, EI Mysov…

Index: Volkonskii; Kagramanova; Mysov; Mysova Russian Chemical Bulletin, 2004 , vol. 53, # 12 p. 2774 - 2781

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Abstract

Abstract The reaction of 1-hydrohexafluoroisobutenyloxytrimethylsilane (2a) with cesium fluoride in diglyme leads to elimination of trimethylfluorosilane to form the 1- hydrohexafluoroisobutenolate anion (3), which is silylated with trialkylchlorosilanes at the oxygen atom. In the presence of bis (trifluoromethyl) ketene N, N, O-trimethylaminoacetal or N-(α, α-difluoroalkyl)-dialkylamines, silane 2a is transformed into 2, 2, 2', 2'-tetrakis ( ...