6-benzoxazinyl-2,3,4,5-tetrahydropyridazin-3-ones

Details 6-benzoxazinyl-2,3,4,5-tetrahydropyridazin-3-ones 6-benzoxazinyl-2,3,4,5-tetrahydropyridazin-3-ones

1986-12-22

1988-01-26

Raymond, Richard L.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

C07D41304

Patent

active

047217847

ABSTRACT:
The synthesis of benzoxazinyl-pyridazinone compounds is described. The novel compounds are cardiotonic agents and inhibitors of phosphodiesterase fraction III. In addition, the compounds are useful as smooth muscle relaxants and bronchodilators.

REFERENCES:
patent: 4619687 (1986-10-01), Haga et al.
patent: 4640707 (1987-02-01), Nagano et al.

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