Patent ID: 6506918
Filing Date: 2003-01-14
Classification: B01J,C07C,C07F,Y02P

Abstract:
A process of producing a mixture of organotin silanes comprising reacting 1,1-dihalosilacyclobutane with a tin halide to yield a mixture of 3-(trihalosilyl)propyltin compounds in the presence of a catalytically effective amount of a Lewis acid, wherein the tin halide compound comprises a compound of the formula: wherein:each R is independently selected from the group consisting of F, Cl, Br, I, alkyl (substituted or unsubstituted) from C1 to C20, alkenyl (substituted or unsubstituted) from C1 to C20, cycloalkyl (substituted or unsubstituted) from C5 to C12, or aryl substituted or unsubstituted, with at least one R selected from the group of F, Cl, Br, or I.