Reactions of tetrachlorodiborane(4) with fluoroolefins |
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| Authors: | J.J. RitterT.D. Coyle |
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| Affiliation: | Inorganic Chemistry Section, National Bureau of Standards, Washington, D.C. 20234 U.S.A.; Department of Chemistry, University of Maryland, College Park, Maryland 20742 U.S.A. |
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| Abstract: | Tetrachlorodiborane(4) reacts with trifluoroethylene to give dichloro-2,2- difluorovinylborane and both isomers of dichloro-2-chloro-2-fluorovinylborane. These compounds can be converted to the corresponding difluoro (halovinyl)boranes by treatment with SbF3. Reaction of B2Cl4 with vinyl fluoride gives 1,1,2-tris(dichloroboryl)ethane. A facile halogen exchange with B2Cl4, was observed for a number of fluoroolefins, includin vinyl fluoride, 1,1-difluoroethylene, 2-fluoropropene, and 3,3,3-trifluoropropene. No reaction was observed with 2,3,3,3-tetrafluoropropene. |
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