Patent ID: 6278016
Filing Date: 2001-08-21
Classification: C07C

Abstract:
A method of preparing prenyl esters of the formula (CH.sub.3).sub.2 C.dbd.CHCH.sub.2 OC(.dbd.O)R, wherein R is a C.sub.1 -C.sub.4 alkyl group, comprising the steps:(a) forming a reaction mixture comprising a carboxylic acid of the formula RCO.sub.2 H, wherein R is a C.sub.1 -C.sub.4 alkyl group, and an inorganic acid catalyst; and(b) adding isoprene to the reaction mixture, while maintaining said carboxylic acid in molar excess;wherein the inorganic acid catalyst has a K.sub.a (relative to water) of about 10.sup.-3 to about 10.sup.6.