Synthesis of substituted phenylacetic acid

Details Synthesis of substituted phenylacetic acid Synthesis of substituted phenylacetic acid

1978-07-10

1980-09-02

Myers, Jane S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

562465, 562491, 562496, C07C 5108

Patent

active

042205921

ABSTRACT:
A substituted acetonitrile such as .alpha.-isopropyl-p-chlorophenylacetonitrile is hydrolyzed using an acid to produce the corresponding substituted phenylacetic acid such as .alpha.-isopropyl-p-chlorophenylacetic acid in such a manner that, in a lot in any one hydrolysis reaction, (1) the hydrolysis is carried out in at least two steps, (2) an acid to be used in a subsequent first reaction step is a waste acid produced in a previous second reaction step and the subsequent reaction step(s) thereof if any, and (3) an acid to be used in a second reaction step and the subsequent reaction step(s) if any, is the waste acid produced in a previous second reaction step and subsequent reaction step(s), respectively, and a fresh acid.

REFERENCES:
patent: 2489348 (1949-11-01), Wenner

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