1,3,4-Thiadiazin-5-ones

Details 1,3,4-Thiadiazin-5-ones 1,3,4-Thiadiazin-5-ones

1982-11-03

1984-12-18

Ford, John M.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Bacterium or component thereof or substance produced by said...

544 8, A61K 3154, A61K 3144, C07D41704, C07D41706

Patent

active

044890737

ABSTRACT:
Heterocyclic compounds of the formula: ##STR1## wherein A is a direct link, or is alkylene of 1 to 4 carbon atoms or alkenylene of 2 to 4 carbon atoms; wherein either X is --CR.sup.1 R.sup.2 -- and Y is --O--, --S-- or --NR.sup.3 --, wherein R.sup.1, R.sup.2 and R.sup.3, which may be the same or different, each is hydrogen or alkyl of up to 4 carbon atoms;
or X is --O--, --S-- or --NH-- and Y is --CR.sup.1 R.sup.2 -- wherein R.sup.1 and R.sup.2 have the meanings stated above;
and wherein Het is a 5- or 6-membered heterocyclic ring containing 1, 2 or 3 heteroatoms selected from nitrogen, oxygen or sulphur atoms, which ring may be unsubstituted or may bear one or two substituents as set out in claim 1, provided that when X is --CR.sup.1 R.sup.2 -- and A is a direct link, Het is not unsubstituted 2-furyl; and salts thereof where appropriate; processes for their manufacture and pharmaceutical compositions containing them. The compounds possess cardiotonic and/or antihypertensive activity.

REFERENCES:
patent: 4423045 (1983-12-01), Brown et al.

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