Patent ID: 6653477
Filing Date: 2003-11-25
Classification: C07D

Abstract:
A compound of the formula 1in whichR1 is hydrogen, methyl, formyl or hydroxymethyl and R2 is hydrogen, halogen, carboxyl, â€”CO-1-4C-alkoxy, hydroxy-1-4C-alkyl, 1-4C-alkoxy-1-4C-alkyl, 1-4C-alkoxy-1-4C-alkoxy-1-4C-alkyl, fluoro-1-4C-alkoxy-1-4C-alkyl or the radical â€”COâ€”NR3R4, where R3 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl and R4 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl, or where R3 and R4 together, including the nitrogen atom to which both are bonded, are a pyrrolidino, piperidino or morpholino radical, or its salts.