申请人:Ciba-Geigy AG
公开号:US04661601A1
公开(公告)日:1987-04-28
New compounds having the formula 1 ##STR1## wherein W is hydrogen, halogen, n-alkyl, --NHCOR.sup.1, --COR.sup.1, or phenoxyacetylamino optionally substituted by one or two C.sub.1-12 straight- or branched chain alkyl, X is a substituent in the coupling position and is selected from hydrogen, chlorine, bromine, --SR.sup.11 or a nitrogen-containing heterocyclic residue attached at a ring nitrogen atom, and Y is a group having the formula 2 ##STR2## wherein Q is selected from the residues: --COOR.sup.4 or --CONR.sup.4 R.sup.5, --OM, --NR.sup.7 R.sup.8, --PO(OR.sup.9)[O].sub.x R.sup.10 with X=0 or 1, --SO.sub.2 OH, --SO.sub.2 NR.sup.4 R.sup.5 or CN. The groups R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.7, R.sup.8, R.sup.9, R.sup.10, R.sup.11, M, k and n are defined hereinafter. These compounds are used as black color couplers in photographic materials.
具有以下公式的新化合物:
其中W为氢、卤素、n-烷基、-NHCOR.sup.1、-COR.sup.1或苯氧乙酰氨基,可选地被一个或两个C.sub.1-12直链或支链烷基取代,X为偶联位置的取代基,可选自氢、氯、溴、-SR.sup.11或连接在环氮原子上的含氮杂环残基,Y为具有以下公式的基团:
其中Q选自残基:-COOR.sup.4或-CONR.sup.4R.sup.5、-OM、-NR.sup.7R.sup.8、-PO(OR.sup.9)[O].sub.xR.sup.10(其中X=0或1)、-SO.sub.2OH、-SO.sub.2NR.sup.4R.sup.5或CN。这些化合物被用作摄影材料中的黑色显色剂。R.sup.1、R.sup.2、R.sup.3、R.sup.4、R.sup.5、R.sup.7、R.sup.8、R.sup.9、R.sup.10、R.sup.11、M、k和n在此后定义。