Process for the preparation of aryloxybenzoic acids containing a

Details Process for the preparation of aryloxybenzoic acids containing a Process for the preparation of aryloxybenzoic acids containing a

1987-05-26

1989-10-17

Warren, Charles F.

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

Organic compounds

Diazo or diazonium

534558, 534564, 534751, 534886, 546 24, 546261, 546284, 546287, 546288, 546290, 546291, 546292, 549 6, 549 61, 549 63, 549 64, 549 65, 558 13, 558192, 558193, 558190, 558386, 558392, 558413, 560 12, 560 13, 560138, 560251, 560252, 560302, 562430, 562873, 562 15, 564 39, 564 49, 564 82, 564 83, 564 97, 564 91, 564 99, 552 8, C07B 4504

Patent

active

048748463

ABSTRACT:
Process for the preparation of aryloxy-benzoic acids containing a sulphonamide group by the direct reaction of a phenoxy-benzoic acid with a sulphonamide, in the presence of a halogenating agent such as P(O)Cl.sub.3.

REFERENCES:
patent: 3471559 (1969-10-01), Scherrer
patent: 3622626 (1971-11-01), Moore
patent: 4285723 (1981-08-01), Cartwright et al.
patent: 4447634 (1984-05-01), Lee
patent: 4465508 (1984-08-01), Barton et al.
patent: 4495365 (1985-01-01), Dallos

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