Dimethylsilyl-substituted benzoyl chlorides and a process for pr

Details Dimethylsilyl-substituted benzoyl chlorides and a process for pr Dimethylsilyl-substituted benzoyl chlorides and a process for pr

1988-08-08

1990-04-03

Shaver, Paul F.

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

Organic compounds

Silicon containing

556418, C07F 708, C07F 710

Patent

active

049142216

ABSTRACT:
The invention relates to dimethylsilyl-substituted benzoyl chlorides and a process for preparing the same, which comprises reacting a dihaloaromatic compound with dimethylchlorosilane and magnesium by the Grignard method to form halophenyldimethylsilanes, then reacting the halophenyldimethylsilanes with magnesium in the presence of carbon dioxide to form the corresponding dimethylsilyl-substituted benzoic acids, and thereafter reacting the dimethylsilyl-substituted benzoic acids with a halogenating agent, such as thionyl chloride, to form dimethylsilyl-substituted benzoyl chlorides.

REFERENCES:
patent: Re27281 (1972-02-01), Wilhus et al.
patent: 2697137 (1953-07-01), Frisch et al.
patent: 2989559 (1961-06-01), Marsden
patent: 3829455 (1974-08-01), Wilhus et al.
patent: 4709084 (1987-11-01), Rich

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