Patent ID: 6235758
Filing Date: 2001-05-22
Classification: A61P,C07D

Abstract:
A compound of formula (I) or a salt thereof: ##STR13##wherein:P.sup.1 is pyridyl;P.sup.2 is pyridyl;A is a bond or a chain of 1 to 5 atoms optionally substituted by C.sub.1-6 alkyl;R.sup.1 and R.sup.2 groups are each independently hydrogen C.sub.1-6 alkyl optionally substituted by NR.sup.12 R.sup.13, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, cyano, halogen, CF.sub.3, NR.sup.12 R.sup.13, CHO, OCF.sub.3, COR.sup.14, CH.sub.2 OR.sup.14 or OR.sup.14 where R.sup.12, R.sup.13 and R.sup.14 are independently hydrogen or C.sub.1-6 alkyl;n and m are independently 0, 1 or 2;R.sup.3 is hydrogen or C.sub.1-6 alkyl;R.sup.4 is a group of formula (i): ##STR14##in which:R.sup.6 and R.sup.7 are independently hydrogen, C.sub.1-6 alkyl optionally substituted by one or more fluorine atoms, C.sub.1-6 alkylthio, C.sub.1-6 alkoxy or halogen or a pharmaceutically acceptable salt thereof.