C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/447.8
C07F 7/18 (2006.01)
Patent
CA 1326679
SYNTHESIS OF ALKYL CHLOROALKYL DIALKOXYSILANES ABSTRACT OF THE DISCLOSURE Alkyl cycloalkyl dialkoxysilanes (e.g., methyl cyclohexyl dimethoxysilane) can be prepared by reaction of an alkyl trialkoxysilane (e.g., methyl trimethoxysilane) with a Grignard reagent containing the cycloalkyl moiety derived in the final end-product (e.g., a reagent formed by reacting cyclohexyl chloride and magnesium metal). The reaction is run in the absence of ether solvent, the Grignard reagent is preferably formed in situ by the reaction of magnesium metal and cyclohexyl halide, and agitation is used to promote the reaction. Advantageously, a catalyst, such as iodine, is used to promote the reaction.
577976
Band Elliot Isaac
Eberhart Suzanne Thomson
Akzo America Inc.
Gowling Lafleur Henderson Llp
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