Substituted methoxyphenyl-4,5 dihydro-3(2H)-pridazinones having

Details Substituted methoxyphenyl-4,5 dihydro-3(2H)-pridazinones having Substituted methoxyphenyl-4,5 dihydro-3(2H)-pridazinones having

1991-09-04

1993-04-20

Daus, Donald G.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

5142322, 544 82, C07D23714

Patent

active

052044637

ABSTRACT:
Pyridazinones of the following formula (I): ##STR1## where R.sup.1 -R.sup.4 are a variety of substituents and L is a linking group, a pharmaceutical composition for treating congestive heart failure, novel intermediates, methods for such treatment and processes for preparing compounds of formula (I).

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patent: 5051431 (1991-09-01), Wheeler
Burger, Medicinal Chemistry, 2d Ed. Interscience, N.Y. 1960, p. 42.
Slater, R. A. et al., J. Med. Chem. 31, pp. 345-351 (1988).
Curran, W. V. et al., J. Med. Chem., vol. 17, No. 3, pp. 273-281 (1974).

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