Process for the preparation of phenoxybenzoic acid...

C - Chemistry – Metallurgy – 07 – D

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260/542.2, 260/1

C07D 213/70 (2006.01) A01N 39/02 (2006.01) A01N 41/06 (2006.01) A01N 51/00 (2006.01) C07C 43/275 (2006.01) C07C 63/06 (2006.01) C07D 213/71 (2006.01) C07D 221/22 (2006.01) C07D 253/08 (2006.01) C07D 333/34 (2006.01) C07F 9/141 (2006.01) C07F 9/24 (2006.01) C07F 9/38 (2006.01) C07F 13/00 (2006.01) A01N 43/10 (2006.01) A01N 43/40 (2006.01)

Patent

CA 1194472

ABSTRACT Process for the preparation of phenoxybenzoic acid derivatives containing a sulphonamide group, by reacting an acid halide with a sulphonamide in the absence of an acid acceptor and with elimination of hydrohalic acid in the gaseous form.

408056

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