Patent ID: 7820669
Filing Date: 2010-10-26
Classification: A61P,C07D

Abstract:
1. A compound of formula I in which R1 is methyl or ethyl, R2 is methyl or ethyl, R3 represents a phenyl derivative of formula (b) wherein R6 is methoxy, ethoxy or difluoromethoxy, R7 is methyl and R8 is hydrogen, or wherein R7 and R8 together and with inclusion of the two carbon atoms, to which they are bonded, form a spiro-linked cyclopentane, cyclohexane, tetrahydrofuran or tetrahydropyran ring, R9 is —(CH 2 ) n —C(O)—R18, R18 is —N(R19)R20, R19 is hydrogen or 1-4C-alkyl, R20 is hydrogen or 1-4C-alkyl, or R19 and R20 together and with inclusion of the nitrogen atom to which they are bonded, form a 1-pyrrolidinyl-, 1-piperidinyl-, 1-piperazinyl, 1-(1-4C-alkyl)-piperazin-4-yl-, 1-hexahydroazepinyl-, 4-morpholinyl or 4-thiomorpholinyl-ring, n is 1 or 2, or a salt thereof.