Preparation of acyloxysilanes

Details Preparation of acyloxysilanes Preparation of acyloxysilanes

1996-10-17

1999-05-11

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C07F7/08;7/18

Patent

active

059028920

ABSTRACT:
Acyloxysilanes are prepared by the anhydrous reaction of stoichiometric amounts of a carboxylic acid with a mixture of a halosilane and a silazane in an aprotic solvent, such as diethyl ether, acetonitrile, tetrahydrofuran or toluene, in an inert gas atmosphere. In a preferred embodiment the silazane is prepared in situ by the reaction of the corresponding halosilane and ammonia. No catalyst is necessary and the reaction preferably is performed at a temperature of -5.degree. C. to 45.degree. C.

REFERENCES:
patent: 4556725 (1985-12-01), Kanner et al.
patent: 5387706 (1995-02-01), Rasmussen et al.
patent: 5567834 (1996-10-01), Bank et al.

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