Patent ID: 6624117
Filing Date: 2003-09-23
Classification: B41M,C07C

Abstract:
A compound of the formula whereinR1 is unsubstituted or substituted phenyl, or naphthyl, R3 and R4 independently of each other are hydrogen, C1-C8alkyl, halogen-substituted C1-C8alkyl, C1-C8alkoxy-substituted C1-C8alkyl, C1-C8alkoxy, halogen-substituted C1-C8alkoxy, C1-C8alkylsulphonyl, halogen, phenyl, phenoxy or phenoxycarbonyl, X is a group of the formula B is a linking group of formula â€”Oâ€”SO2â€”, â€”SO2â€”Oâ€”, â€”SO2â€”NHâ€”, or â€”COâ€”NHâ€”SO2â€”, and R2 is phenyl, which is unsubstituted or substituted by C1-C8alkyl, halogen-substituted C1-C8alkyl, C1-C8alkoxy-substituted C1-C8alkyl, C1-C8alkoxy, halogen-substituted C1-C8alkoxy or halogen; naphthyl and benzyl, which is substituted by C1-C4alkyl or halogen, with the proviso, that, if B is not a linking group of formula â€”Oâ€”SO2â€”, R2 is unsubstituted or substituted phenyl, or naphthyl.