Certain substituted 2,6-diamino-4-methyl-nicotinitriles the corr

Details Certain substituted 2,6-diamino-4-methyl-nicotinitriles the corr Certain substituted 2,6-diamino-4-methyl-nicotinitriles the corr

1976-08-05

1978-05-23

Rotman, Alan L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602955A, 2602955B, 2602955T, 260156, C07D21357

Patent

active

RE0296406

ABSTRACT:
2,3,6- AND PREFERABLY ALSO 4-SUBSTITUTED PYRIDINE DERIVATIVES BEARING THE RADICAL OF AMMONIA OR A PRIMARY AMINE IN THE 2- AND 6-POSITIONS. The compounds are eminently suitable as coupling components for the production of azo dyes, the coupling taking place in the 5-position.

REFERENCES:
patent: 3433795 (1969-03-01), Hyden et al.
patent: 3664996 (1972-05-01), Berrie et al.
Karrer, Organic Chemistry, 4th Englsh Edition, p. 928, Elsevier Pub. Co., (NY), 1950.
Chemical and Engineering News, p. 18, Apr. 3, 1972.

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