Patent ID: 6187959
Filing Date: 2001-02-13
Classification: C07C,C07F

Abstract:
A process for preparing a phosphonium salt of the formula I: ##STR4##whereR is aryl, andX.sup..crclbar. is C.sub.n H.sub.2n+1 --SO.sub.3.sup..crclbar., with n =1-4, orCF.sub.3 --SO.sub.3.sup..crclbar.,which comprises reacting an alcohol of the formula II: ##STR5##with a triarylphosphine in the presence of a sulfonic acid of the formulaC.sub.n H.sub.2n+1 --SO.sub.3 H or CF.sub.3 --SO.sub.3 H,where n is as defined above, in a solvent.