Process for the preparation of 1-aminoanthraquinones

Details Process for the preparation of 1-aminoanthraquinones Process for the preparation of 1-aminoanthraquinones

1977-09-20

1982-05-04

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260384, 260371, 260373, 260380, 260381, C07C 9724, C07C 9726, C07C143665

Patent

active

043281605

ABSTRACT:
A selective process for the preparation of 1-aminoanthraquinones from the corresponding 1-aminoanthraquinone-2-carboxylic acid by decarboxylation in basic solution in the presence of iron, tin or zinc as a catalyst.

REFERENCES:
patent: 1551373 (1925-08-01), Daudt
patent: 1966067 (1934-07-01), Jaeger
patent: 2439237 (1948-04-01), Cass
patent: 3978096 (1976-08-01), Eilingsfeld et al.
Methoden der Organischen Chemie, Houben-Weyl, vol. 8, pp. 484-496.
Journal of the Society of Dyers & Colorists, vol. 66, pp. 229-231, Apr. 1950, "Aromatic Nitro Compounds", Hodgson, Heyworth & Ward.
Chemical Abstracts, vol. 71, 1969, Abstract No. 48900m, Long "Mechanisms for Decarboxylation of Aromatic Acids".
Chemical Abstracts vol. 74, 1974, Abstract No. 52664s, p. 268, Manikyam "Thermal Decarboxylation of Benzoic Acids".
Chemical Abstracts vol. 74, 1971, Abstract No. 64020s, p. 287, Chodowska-Palicka "Decarboxylation of 2 Nitro Benzoic Acids".
Chemical Abstracts, vol. 67, 1967 Abstract No. 43191p, p. 4036, Rekker et al. "Decarboxylation of Substituted 4-Amino Benzoic Acid in Aqueous Solution".
Chemical Abstracts, vol. 85, 1976, Abstract No. 177120v, p. 495, Morley, "Synthesis of Aminoanthraquinones by Sodium Borohydride Reduction of Nitroanthraquiones".

Affiliated with

Also associated with

Rating

Process for the preparation of 1-aminoanthraquinones 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 the preparation of 1-aminoanthraquinones, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of 1-aminoanthraquinones will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-881131