申请人:Ciba-Geigy Corporation
公开号:US05391762A1
公开(公告)日:1995-02-21
The compounds of the formula I ##STR1## in which Y and Y.sub.1 are each, independently of one another, O, S, NH or N-alkyl, N-cycloalkyl, N-phenyl or N-benzyl, or Y and Y.sub.1 are together N-alkylene-N, R and R.sub.1 are each, independently of one another, H, alkyl, cycloalkyl, aralkyl or aryl, R.sub.2 and R.sub.3 are each, independently of one another, H, or R.sub.2 forms, together with R.sub.6 and the N and C atoms linking them, a 5- or 6-membered ring and R.sub.3 is H, or R.sub.3 forms, together with R.sub.7 and the N and C atoms linking them, a 5- or 6-membered ring and R.sub.2 is H, R.sub.4 and R.sub.5 are each, independently of one another, H, R.sub.4 forms, together with R.sub.8 and the N and C atoms linking them, a 5- or 6-membered ring and R.sub.5 is H, or R.sub.5 forms, together with R.sub.9 and the N and C atoms linking them, a 5- or 6-membered ring and R.sub.4 is H, R.sub.6, R.sub.7, R.sub.8 and R.sub.9 are each, independently of one another, H, alkyl, cycloalkyl, aralkyl or aryl, or R.sub.6 and R.sub.8 and/or R.sub.7 and R.sub.9 form, together with the N atom linking them, a piperidine radical, a morpholine radical or an unsubstituted piperazine radical or a piperazine radical substituted on the N atom by C.sub.1 -C.sub.4 alkyl, hydroxyl-C.sub.1 -C.sub.4 alkyl or amino-C.sub.1 -C.sub.4 alkyl, Z is H or aryl and An.sup..crclbar. is an anion of a monobasic acid, the alkyl or cycloalkyl being unsubstituted or substituted by halogen, hydroxyl, C.sub.1 -C.sub.4 alkoxy, cyano or phenyl, and the aryl or aralkyl being unsubstituted or substituted by halogen, hydroxyl, NH-alkyl, N(alkyl).sub.2, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.4 alkoxy, carboxyl, alkoxycarbonyl, carbonamido, mono- or dialkylcarbonamido, nitro or CN, are suitable as light-absorbing substances in optical recording media.
化学式为I的化合物中,Y和Y.sub.1分别独立地为O、S、NH或N-烷基、N-环烷基、N-苯基或N-苄基,或Y和Y.sub.1共同为N-烷基-N,R和R.sub.1分别独立地为H、烷基、环烷基、芳基烷基或芳基,R.sub.2和R.sub.3分别独立地为H,或R.sub.2与R.sub.6及连接它们的N和C原子一起形成5-或6-成员环,而R.sub.3为H,或R.sub.3与R.sub.7及连接它们的N和C原子一起形成5-或6-成员环,而R.sub.2为H,R.sub.4和R.sub.5分别独立地为H,或R.sub.4与R.sub.8及连接它们的N和C原子一起形成5-或6-成员环,而R.sub.5为H,或R.sub.5与R.sub.9及连接它们的N和C原子一起形成5-或6-成员环,而R.sub.4为H,R.sub.6、R.sub.7、R.sub.8和R.sub.9分别独立地为H、烷基、环烷基、芳基烷基或芳基,或R.sub.6和R.sub.8和/或R.sub.7和R.sub.9与连接它们的N原子一起形成哌啶基、吗啉基或未取代的哌嗪基或在N原子上被C.sub.1-C.sub.4烷基、羟基-C.sub.1-C.sub.4烷基或氨基-C.sub.1-C.sub.4烷基取代的哌嗪基,Z为H或芳基,An.sup..crclbar.为单碱基酸的阴离子,烷基或环烷基未取代或被卤素、羟基、C.sub.1-C.sub.4烷氧基、氰基或苯基取代,而芳基或芳基烷基未取代或被卤素、羟基、NH-烷基、N(烷基).sub.2、C.sub.1-C.sub.6烷基、C.sub.1-C.sub.4烷氧基、羧基、烷氧羰基、碳酰胺基、单烷基或双烷基碳酰胺基、硝基或CN取代,适用于光学记录介质中的吸光物质。