4.4 Article

Novel synthetic approaches to CHBrFI, CHClFI and CHBrClI

Journal

TETRAHEDRON
Volume 58, Issue 29, Pages 5923-5926

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4020(02)00532-X

Keywords

halomethanes; fluorination; chlorination

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Three new facile methods for the preparations of racemic mixtures of CHBrFI, CHClFI and CHBrClI are described. Mercuric fluoride was found to be an effective fluorinating agent in fluorinations of CHI2Br (6) and CHI2Cl (8) to yield CHBrFI, CHClFI, respectively. Chlorination of CHI2Br (6) by using antimony pentachloride as a chlorinating agent, afforded CHBrClI in convenient and mild condition. (C) 2002 Published by Elsevier Science Ltd.

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