Derivatives of 1,1 ′ - binaphthyl - 4,4 ', 5,5', 8,8 '- hexacarboxylic, their process of preparation and their applications in the dyeing and the printing of textile materials

摘要

P the invention relates to derivatives of the acid 1, 1 - binaphthyl - 4, 4, 5, 5, 8, 8 - hexacarboxylic of formula: & br / (see appended drawing in bopi) & br / in which r is the 1996, a halogen or an alkyl, when x is the oxygen, y is the 1996, an alkyl, a suitable - alkyl or aryl containing at least one substituent halogen, alkyl, alkoxy, when x is the nitrogen is r or r / p