| abstract |
Compounds of the formula I ** Formula ** where R1, R1 ', R2 stand for H, OH, OA, SH, SA, SOA, SO2A, Hal, NO2, NH2, NHA, NAA', A respectively , SO2NH2, SO2NHA, SO2NAA ', CONH2, CONHA, CONAA', NACOA ', NASO2A', COOH, COOA or CN, R3 means A, Ar, Het, NR4R5 or CHR4R5, in which case at least one of the residues R4 or R5 means (CH2) nAr or (CH2) nHet, R4, R5 means, independently of each other, H, A, (CH2) nAr or (CH2) nHet, X is absent p means CH2, NR6 or O, Y is absent or signifies alkylene with 1-3 C atoms, R6 signifies H or A, A, A 'stand for, independently of each other, alkyl with 1-10 C atoms, unbranched or branched, where 1-7 H atoms can be replaced by F, Cl and / or Br, cycloalkyl with 3-8 C atoms or cycloalkylalkylene with 4-10 C atoms, Hal means F, Cl, Br or I. |