Process of making ethyl{6-[ethyl-(2-hydroxypropyl)amino]-3-pyrid

Details Process of making ethyl{6-[ethyl-(2-hydroxypropyl)amino]-3-pyrid Process of making ethyl{6-[ethyl-(2-hydroxypropyl)amino]-3-pyrid

1984-04-16

1986-04-08

Daus, Donald G.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544183, 544236, C07D23720

Patent

active

045814490

ABSTRACT:
A novel method of preparing ethyl{6-[ethyl-(2-hydroxypropyl)amino]-3-pyridazinyl}hydrazinecarboxylate is disclosed, wherein 7-chloro-3-methyl-4-oxo-4H-pyridazino[6,1-c][1,2,4]triazine is treated with ethyl-(2-hydroxypropyl)amine. The corresponding amino derivative is hydrolized in mild conditions and the hydrazino compound thus obtained is suitably acylated.

REFERENCES:
Stanovnik & Tisler, Journal of Heterocyclic Chemistry, 1969, 6(3), 413-14.
Zupan et al, Journal of Organic Chemistry, 37(19), pp. 2960-2963, (1972).
March, "Advanced Organic Chemistry", 2nd Edition, pp. 353, 598, 806.

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