Tetrahedron

Utilisation of ammonium and phosphonium perfluorocyclobutane ylides as fluoride anion source

SV Pasenok, ME de Roos, WK Appel

Index: Pasenok, Sergej V.; De Roos, Marijn E.; Appel, Wolfgang K. Tetrahedron, 1996 , vol. 52, # 29 p. 9755 - 9758

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Citation Number: 6

Abstract

Ammonium-and phosphoniumperfluorocyclobutane ylides 1 and 2, prepared from perfluorocyclobutene and tertiary amines or phosphines can be used as a masked fluoride anion source. These properties have been demonstrated in several reactions. Ylides 1 and 2 cleave C-Si or O-Si bonds, cause dimerisation of fluoroolefins or react with acid chlorides or activated aromatic compounds under halogen exchange.

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