Process for preparing 5-halo-2,3-phenylenediamine-1-carboxylic a

Details Process for preparing 5-halo-2,3-phenylenediamine-1-carboxylic a Process for preparing 5-halo-2,3-phenylenediamine-1-carboxylic a

1973-06-28

1976-01-06

Weinberger, Lorraine A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

71114, C07C10168

Patent

active

039313034

ABSTRACT:
Method of preparing 5-halo-2,3-phenylenediamine-1-carboxylic acids having the following formula: ##SPC1##
Wherein X is Cl, Br or F by reacting a 2,5-dihalo-3-nitrobenzoic acid with ammonium hydroxide to yield 5-halo-3-nitro anthranilic acid followed by a reduction of the resultant product. The 5-halo-2,3-phenylenediamine-1-carboxylic acids are useful as herbicides and as intermediates for use in the preparation of dyestuffs, photographic developers, pharmaceuticals, antioxidants and the like.

REFERENCES:
patent: 3158646 (1964-11-01), Dorfman et al.

Affiliated with

Also associated with

Rating

Process for preparing 5-halo-2,3-phenylenediamine-1-carboxylic a does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing 5-halo-2,3-phenylenediamine-1-carboxylic a, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing 5-halo-2,3-phenylenediamine-1-carboxylic a will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2349710