Preparation of 2-(chloro, bromo or nitro)-4-(alkyl-sulfonyl)benz

Details Preparation of 2-(chloro, bromo or nitro)-4-(alkyl-sulfonyl)benz Preparation of 2-(chloro, bromo or nitro)-4-(alkyl-sulfonyl)benz

1990-01-25

1991-04-16

Chan, Nicky

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

Organic compounds

Carboxylic acids and salts thereof

562430, 562125, C07C147107

Patent

active

050084488

ABSTRACT:
A process for the preparation of 2-(chloro, bromo or nitro)-4-(alkylsulfonyl)benzoic acid and to intermediates used in the process.

REFERENCES:
patent: 3639470 (1972-02-01), Suzuki et al.
patent: 3898266 (1975-09-01), Feit et al.
patent: 4211723 (1980-07-01), Koike et al.
patent: 4695673 (1987-09-01), Heather et al.
Beak et al., J. Org. Chem., 1982, 47; 34-46.

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