| abstract |
A compound having the ** formula ** in which R1 and R2 irrespective of its occurrence are hydrogen, halogen, C1-6 alkyl, -OR¿, -SR¿, -NR¿R¿, -SOR¿, - SO2R¿, - COOR¿, -OCOR¿, -OCONR¿R¿, -OSO2R¿, -OSO2NR¿R¿, -NR¿SO2R¿, - NRCOR¿, -SO2NR¿R¿, -SO2 (CH2) 1-3CONR¿R¿, -CONR¿R¿, cyano, halogenoalkyl or nitro, or R¿ and R¿ regardless of their occurrence are hydrogen, C1-6 alkyl, aryl, heterocyclic, heteroaryl, aryl- (C1 alkyl -3), heteroaryl- (C1-3 alkyl), heterocyclyl- (C1-3 alkyl), cycloalkyl-alkyl, cycloalkyl or R¿ and R¿ together with the nitrogen to which they are attached can form a ring from 5 to 7 links, optionally incorporating into the ring an additional heteroatom chosen from N, O or S (O) 0-2. |