Process for the reductive methylation of an acid hydrazide

Details Process for the reductive methylation of an acid hydrazide Process for the reductive methylation of an acid hydrazide

1977-10-11

1978-11-28

Curtis, Allen B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260561H, C07C 8500

Patent

active

041276116

ABSTRACT:
A residual amount of hydrazine present in an acethydrazide solution prepared by condensing hydrazine with ethyl acetate is treated by either reaction with carbon dioxide or oxidation with air in the presence of palladium or platinum catalyst. Treatment of said acid hydrazide solution in the foregoing manner obviates the catalyst poisoning potential of the unreacted hydrazine upon subsequent reductive methylation of the hydrazide solution in the presence of palladium or platinum catalyst.

REFERENCES:
patent: 2589290 (1952-03-01), Sampson
patent: 3296307 (1967-01-01), MacGregor et al.
patent: 3965174 (1976-06-01), Malz, Jr. et al.
patent: 4045484 (1977-08-01), Malz, Jr. et al.

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