Patent ID: 7709672
Filing Date: 2010-05-04
Classification: C07F

Abstract:
1. A process for preparing halogenated monoorganoxysilanes of formula: wherein: R R m =1 or 2; Hal is chlorine, bromine or iodine; and when m =1, B is a divalent residue of formula: where B wherein said C B wherein said C a =0 or 1; and R or when m=2, B is a trivalent residue of formula: with B said process comprising the following steps: a) reacting an organosiliconedihalide of formula (A) with an organometallic halide (R b) reacting the organosiliconemonohalide of formula (C) formed in step a) with a hydrohalide (H-Hal), a halogen (Hal-Hal) or sulfonyl dihalide (SO and c) reacting the product(s) formed in step b) with an alcohol (R