| 摘要 |
3-15786/+ Novel amine salts of azo compounds of the disclosure Compounds of formula (I), wherein a and b are each independently of the other halogen, -CH3, -C2H5, -OCH3, -OC2H5 or the group of formula -NHCO-C1-C4alkyl, c and d are each independently of the other hydrogen, halogen, -CH3, -C2H5, -OCH3, -OC2H5 or the group of formula -NHCO-C1-C4alkyl, and R1 is -CH3, phenyl, -COOCH3, -COOC2H5, -NHCO-C1-C4alkyl or -CONH-C1-C4alkyl, and R2, R3, R4 and R5 are each independently hydrogen, C1-C4alkyl, unsubstituted or substituted by a chlorine atom or a -OH group, or are C7-C9aralkyl, C5-C8cycloalkyl, phenyl or phenyl which is substituted by 1 to 3 halogen atoms or methyl or methoxy groups, or is a heterocyclic radical of the benzimidazole, benzoxazole, benzthiazole or pyridine series, or R3 and R4, together with the linking nitrogen stom, are a pyrrolidine, imidazolidine, piperidine, piperazine or morpholine radical, or R3, R4 and R5, together with the linking nitrogen atom, are a pyrrole, pyridine, picoline, pyrazine, quinoline or isoquinoline radical, are most suitable for colouring high molecular organic material. |
