| abstract |
WHEREIN R3 and R5 are each hydrogen or alkyl of one to five carbon atoms, Py is a pyrimidinyl group optionally substituted by alkyl of one to five carbon atoms, alkoxy of one to five carbon atoms, and/or halogen, Z is N-(optionally substituted)phenyl piperazino, 4-substituted piperidino or 4-substituted-1,2,5,6tetrahydro pyridino. The compounds are useful either as C.N.S. depressants or as antihypertensive agents. Pyrimidinylpyrazole derivatives, having the formula: |