Novel process for the preparation of N,N'-bisacyl hydrazides

Details Novel process for the preparation of N,N'-bisacyl hydrazides Novel process for the preparation of N,N'-bisacyl hydrazides

1981-01-12

1982-11-02

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

546188, 546208, C07D20727, C07D21176, C07D22700, C07D40112

Patent

active

043572774

ABSTRACT:
An improved process for the preparation of acyl hydrazides of the formula ##STR1## wherein A and B individually are a group of the formula ##STR2## wherein R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, x is 0 or 1 and R.sub.2 and R.sub.3 are individually selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms and n and m are individually 0, 1, 2 or 3 by reacting a compound of the formula ##STR3## with a hydrazide of the formula ##STR4## the improvement comprising effecting the reaction in the presence of at least one catalyst selected from the group consisting of amines, amine alkoxides and quaternary ammonium hydroxides.

REFERENCES:
patent: 3334083 (1967-08-01), Beyerman et al.
patent: 3867424 (1975-02-01), Fujimoto et al.
patent: 4069336 (1978-01-01), Lange et al.
Nevers et al., Chem. Abstracts, vol. 82, Abstract No. 73695h, (1975).

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