Process for the preparation of bisacyl hydrazines

Details Process for the preparation of bisacyl hydrazines Process for the preparation of bisacyl hydrazines

1981-01-12

1982-06-01

Rollins, Alton D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546188, 546208, 548550, C07D20727, C07D21176, C07D40112

Patent

active

043327281

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 of the formula R'--OMe wherein R' is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms and Me is an alkali metal.

REFERENCES:
patent: 3417114 (1968-12-01), Kuceski
patent: 3567778 (1971-03-01), Gavin
patent: 4123548 (1978-10-01), Lange et al.
De Feo et al., J. Org. Chem., vol. 28, pp. 2915-2917 (1963).
Wagner et al., Synthetic Organic Chemistry, (New York, 1953), pp. 568-569.
Smith, Open-Chain Nitrogen Compounds, vol. II, (W. A. Benjamin, Inc., New York, 1965), pp. 29-30.

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