Method for the preparation of persilylated carboxylic acid amide

Details Method for the preparation of persilylated carboxylic acid amide Method for the preparation of persilylated carboxylic acid amide

1985-11-22

1987-03-03

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 710

Patent

active

046476814

ABSTRACT:
Disclosed is a method of preparing bis-trimethylsilylamides of carboxylic acids from the carboxylic acid amide by mixing two equivalents of trimethylchlorosilane and an excess of hexamethyldisilazane, heating the mixture to 40.degree. to 80.degree. C. and adding two equivalents of a tertiary amine as acid acceptor. The method results in substantially improved purity and yield of end product.

REFERENCES:
patent: 3415864 (1968-12-01), Gehrke et al.
patent: 3488371 (1970-01-01), Klebe
patent: 3839387 (1974-10-01), Chou et al.
patent: 4059559 (1977-11-01), Burkhardt et al.

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