Process for preparing 6-amino-3-hydrazinopyridazine derivatives

Details Process for preparing 6-amino-3-hydrazinopyridazine derivatives Process for preparing 6-amino-3-hydrazinopyridazine derivatives

1986-05-13

1988-07-12

Daus, Donald G.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544236, C07D23720, C07D23712

Patent

active

047571420

ABSTRACT:
A novel process for preparing 6-amino-3-hydrazinopyridazine derivatives comprising reacting a 3-amino-6-chloropyridazine derivative with ethyl carbazate under aqueous conditions.

REFERENCES:
patent: 4002753 (1977-01-01), Carpi et al.
patent: 4575552 (1986-03-01), Farina et al.
Parravicini, F., et al., Il Farmaco (Ed. Sci) 34, 299-310 (1979).
Pifferi et al., J. Med. Chem., 18, 7, 741-746 (1975).

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