| abstract |
NEW MATERIAL: Compounds given by formula I (R 1 and R 2 are each H, a alkyl, a hydroxyalkyl, together with adjoining N form morpholine, piperidine or a pyrrolidine ring; R 3 and R 4 are each H, an alkyl, a hydroxyalkyl or an acyl). n EXAMPLE: 5-Amino-2-(aminomethyl)phenol. n USE: Dye coupler, oxidation dye coupler giving color tones from blue to purple. n PROCESS: For example, 3-acetamidephenol is reacted with N-(hydroxymethyl)-2- chloroacetamide to obtain a compound of EXAMPLE. n COPYRIGHT: (C)1991,JPO |