PYRAZOLOPYRIDINE-4-YL PYRIDAZINONE DERIVATIVE AND ADDITION SALT THEREOF, AND PDE INHIBITOR COMPRISING THE DERIVATIVE OR SALT AS ACTIVE INGREDIENT

Yasushi Kohno (Inventor), Dave Adams (Inventor), Naoki Ando (Inventor)

Research output: Patent

Abstract

To provide a novel pyrazolopyridine-4-yl pyridazinone derivative which has a phosphodiesterase inhibitory activity and is useful as a therapeutic agent. [MEANS FOR SOLVING PROBLEMS] A pyrazolopyridine-4-yl pyridazinone derivative represented by the general formula (1) (e.g., 6-(2-ethyl-7-methoxy-pyarzolo[1,5-a]pyridine-4-yl)-5-methyl-4,5-dihydro-3(2H)-pyridazinone).
Original languageOther
Patent numberWO2006095666(A1)
IPCA61K31/501; A61K31/5377; A61P11/06; A61P15/00; A61P25/00; A61P29/00; A61P37/08; A61P43/00; A61P7/02; A61P9/00; C07D471/04
Publication statusPublished - 14 Sep 2006

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