Process for making nicotinic acid hydrazides

Details Process for making nicotinic acid hydrazides Process for making nicotinic acid hydrazides

1973-12-12

1976-04-20

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260295AM, 2602955H, 2602955A, 260558H, 260558P, 260561H, 260561R, 260562H, 260562R, C07D21356

Patent

active

039519961

ABSTRACT:
A process for condensing a carboxylic acid with ammonia, hydrazine or a substituted hydrazine or a primary or secondary amine to give a compound containing the group --CO--NR'-- where R' is a hydrogen atom, an organic radical, an NH.sub.2 group or a substituted NH.sub.2 group by the use of a catalyst having a formula M(OR).sub.n X.sub.(4.sub.-n) wherein M represents titanium or zirconium, R represents an alkyl or aryl radical, X represents a halogen atom and n is an integer from 1 to 4.

REFERENCES:
patent: 3026324 (1962-03-01), Mueller et al.
patent: 3072726 (1963-01-01), Gutmann et al.
patent: 3801610 (1974-04-01), Werdehausen et al.
patent: 3816483 (1974-06-01), Werdehausen et al.
patent: 3822277 (1974-07-01), Dufour
Millar et al. "A Shorter Sidgwick's Organic Chemistry of Nitrogen" (1969) p. 384.

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