Patent ID: 6545029
Filing Date: 2003-04-08
Classification: C07C,C07D

Abstract:
Compounds of the general formula (I) in whichR1 represents a radical of the formula in which A represents a 5- to 7-membered saturated, partially unsaturated or aromatic heterocycle having up to three identical or different heteroatoms from the group consisting of N, O and S, n denotes a number 0, 1, 2, 3 or 4, R6 represents hydrogen, (C3-C8)-cycloalkyl, or straight-chain or branched (C1-C6)-alkyl, which for its part is optionally substituted by (C6-C10)-aryl, by 5- to 6-membered heteroaryl having up to three identical or different heteroatoms from the group consisting of N, O and S, or up to several times by halogen, and X denotes O, NH or a radical of the formula &boxH;Nâ€”CN or &boxH;CHâ€”NO2, R2 and R3 are identical or different and denote hydrogen, halogen, (C1-C4)-alkyl or (C1-C4)-alkoxy, R4 represents (C1-C6)-alkoxycarbonyl, (C6-C10)-arylmethyloxycarbonyl, (C1-C6)-alkylsulfonyl or (C3-C8)-cycloalkylsulfonyl, or represents 5- to 6-membered heteroarylsulfonyl having up to three identical or different heteroatoms from the group consisting of N, O and S, or (C6-C10)-arylsulfonyl, each of which is optionally substituted up to three times identically or differently by halogen, (C1-C4)-alkyl or (C1-C4)- alkoxy, R5 denotes hydroxy, (C1-C6)-alkoxy or benzyloxy, and their salts.