Abstract:
Tetraindolyl-heptamethine derivatives of the isomeric formulae ##STR1## in which A, B, D and E denote ##STR2## and may be identical to or different from one another, and the other symbols have the meaning indicated in the description, are used in pressure-sensitive and heat-sensitive recording materials.
Abstract:
Bis(indolyl)ethylene aldehydes of the general formula ##STR1## in which R.sub.1 denotes hydrogen, alkyl, aralkyl or aryl,R.sub.2 denotes hydrogen, alkyl or aryl,R.sub.3 denotes hydrogen, alkyl, alkenyl, COOH or aryl andR.sub.4 denotes hydrogen, alkyl, alkoxy, cycloalkoxy or halogen, andthese substituents themselves can carry non-ionic radicals or a carboxyl group, are dyestuff intermediates.
Abstract:
Bis(indolyl)ethylenes of the formula ##STR1## wherein R.sub.1 denotes hydrogen, alkyl, aralkyl or aryl,R.sub.2 denotes hydrogen, alkyl or aryl,R.sub.3 denotes hydrogen, alkyl, alkenyl, COOH or aryl andR.sub.4 denotes hydrogen, alkyl, alkoxy, cycloalkoxy or halogen, andthese substituents, in turn, can carry non-ionic radicals or a carboxyl group,are obtained by reaction of indoles of the formula ##STR2## with carboxylic acids of the formulaR.sub.3 --CH.sub.2 --COOH (III)their chlorides, esters, for example alkyl esters, or anhydrides in the presence of phosphorus oxychloride.
Abstract:
A dry toner for developing latent electrostatic images in electrostatic recording and printing methods contains, as charge-control substance, a pigment of the formula ##STR1## in which A.sup.- represents an anion of a heteropolyacid based on tungsten and/or molybdenum with phosphorus, vanadium, cobalt, aluminium, manganese, chromium and/or nickel or a copper(I) hexacyanoferrate anion,R.sup.1 and R.sup.3, independently of one another, represent hydrogen, alkyl or aralkyl,R.sup.2 and R.sup.4 independently of one another, represent hydrogen, alkyl, aralkyl or aryl, orR.sup.1, R.sup.2, R.sup.3 and R.sup.4, independently of one another, through linking to the o-position of the benzene ring, represent members of a five- or six-membered ring, orR.sup.1 and R.sup.2 or R.sup.3 and R.sup.4 together represent members of a five- or six-membered ring,B represents oxygen or N-R,R represents hydrogen, alkyl or aryl andD represents CH or C-CN,in which the two benzene rings may be fused to a further benzene ring and then hydrogen can also replace NR.sup.3 R.sup.4 and D can also denote N, and in which the cyclic and acyclic radicals and the benzene rings may be substituted by nonionic radicals which are conventional in dyestuffs chemistry.
Abstract:
A dry toner for developing latent electrostatic images in electrostatic copying and printing processes contains, as charge-control substance, a pigment of the formula ##STR1## in which A.sup.- represents a silicomolybdate anion,R.sup.1 and R.sup.3 represent, independently of each other, hydrogen, alkyl or aralkyl,R.sup.2 and R.sup.4 represent, independently of each other, hydrogen, alkyl, aralkyl or aryl, orR.sup.1, R.sup.2, R.sup.3 and R.sup.4 represent, independently of each other, members of a five- or six-membered ring produced by linkage with the o-position of the benzene ring orR.sup.1 and R.sup.2 or R.sup.3 and R.sup.4 jointly represent members of a five- or six-membered ring,B represents oxygen, sulphur or N--R,R represents hydrogen, alkyl or aryl andD represents CH, C--CN or N,in which the two benzene rings may be fused with a further benzene ring and then NR.sup.3 R.sup.4 may also be replaced by hydrogen, and in which the cyclic and acyclic radicals and the benzene rings may be substituted by nonionic radicals usual in dyestuff chemistry.
Abstract:
A pressure-sensitive and heat-sensitive recording material contains color-forming agents of the formula ##STR1## wherein R.sub.1 denotes hydrogen or a non-ionic radical which is free from amino groups,R.sub.2 denotes hydroxyl, alkylamino, dialkylamino, acylamino, aralkylamino, arylamino, a saturated heterocyclic radical, alkoxy, alkenyloxy, aralkoxy, cycloalkoxy, aryloxy, acyloxy or a direct bond to R.sub.4,R.sub.3 denotes hydroxyl, alkoxy, aralkoxy, alkenyloxy, cycloalkoxy, aryloxy, alkylthio, arylthio or a radical of the formula ##STR2## wherein R.sub.5 and R.sub.6 independently of one another denote hydrogen, alkyl, aralkyl, cyloalkyl or aryl or, together with the nitrogen atom, form a ring, or R.sub.5 forms a ring with the ring B in the o-position relative to the nitrogen atom, andR.sub.4 denotes an aryl radical which is free from amino groups or a heterocyclic radical.
Abstract translation:压敏和热敏记录材料包含下式的成色剂:其中R1表示氢或不含氨基的非离子基,R2表示羟基,烷基氨基,二烷基氨基,酰氨基,芳烷基氨基, 芳基氨基,饱和杂环基,烷氧基,烯氧基,芳烷氧基,环烷氧基,芳氧基,酰氧基或与R4的直接键,R3表示羟基,烷氧基,芳烷氧基,烯氧基,环烷氧基,芳氧基,烷硫基,芳硫基或式 其中R 5和R 6彼此独立地表示氢,烷基,芳烷基,环烷基或芳基,或者与氮原子一起形成环,或者R5与相对于氮原子的o位置的环B形成环 R 4表示不含氨基或杂环基的芳基。
Abstract:
Dyestuffs of the formula ##STR1## wherein R.sub.1 denotes halogen, alkyl, cycloalkyl, aralkyl, nitro, cyano, acyl, acylamino, amino, aminocarbonyl, aminosulphonyl, alkylsulphonyl, arylsulphonyl, alkoxy, aryloxy, aralkoxy, carboxyl, alkoxycarbonyl, aryloxycarbonyl or aralkoxycarbonyl or arylazo,R.sub.2 denotes alkyl, alkenyl, cycloalkyl, aryl or aralkyl,R.sub.3 and R.sub.4 denote alkyl, cycloalkyl or aralkyl,R.sub.5, R.sub.6, R.sub.7 and R.sub.8 denote hydrogen, alkyl, cycloalkyl, aralkyl or aryl, andwhereinR.sub.6 and R.sub.7 can together form a fused cycloaliphatic ring,A denotes aryl or heteryl,n denotes 0, 1 or 2 andAn.sup.(-) denotes an anion,process for their preparation and their use for dyeing and printing especially polyacrylonitrile and acid modified polyamides and polyesters.
Abstract:
Dyestuffs of the formula ##STR1## WHEREIN R.sub.1 denotes halogen, alkyl, cycloalkyl, aralkyl, nitro, cyano, acyl, acylamino, amino, aminocarbonyl, aminosulphonyl, arylsulphonyl, alkylsulphonyl, alkoxy, aryloxy, aralkoxy, carboxyl, alkoxycarbonyl, aryloxycarbonyl or aralkoxycarbonyl or arylazo,R.sub.2 denotes alkyl, alkenyl, cycloalkyl, aryl or aralkyl,R.sub.3 denotes alkyl, cycloalkyl or aralkyl,R.sub.4 denotes alkyl, cycloalkyl or aralkyl,R.sub.5, r.sub.6, r.sub.7 and R.sub.8 denote hydrogen, alkyl, cycloalkyl, aralkyl or aryl and R.sub.6 and R.sub.7 conjointly can form a fused cycloaliphatic ring,R.sub.9 denotes chlorine, bromine, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, phenyl, benzyl, C.sub.1 -C.sub.4 -alkoxy, phenoxy, benzyloxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, phenoxycarbonyl, benzyloxycarbonyl, carboxyl, C.sub.1 -C.sub.4 -alkylsulphonyl, phenylsulphonyl, benzylsulphonyl, C.sub.1 -C.sub.4 -alkoxysulphonyl, phenoxysulphonyl, benzyloxysulphonyl, aminocarbonyl, mono- or di- C.sub.1 -C.sub.4 -alkylaminocarbonyl, aminosulphonyl, mono- di- C.sub.1 -C.sub.4 -alkylamino-sulphonyl, C.sub.1 -C.sub.3 -alkylcarbonyl, C.sub.1 -C.sub.3 -alkylcarbonylamino, benzoylamino, phenylamino, mono- or di- C.sub.1 -C.sub.4 -alkylamino, benzylamino or phenylazo,n denotes 0, 1 or 2,m denotes 0, 1, 2 or 3 andAnd whereinAt least one of the radicals R.sub.1, R.sub.2 or R.sub.9 denotes a radical of the formula--A--O--(B--O).sub.p --E--a--o--co--f--o--(b--o).sub.p --E or--A--(O--F).sub.q --CO--O--(B--O).sub.p --Eor is substituted by such a radical,WhereinA represents an alkylene or alkenylene radical or a direct bond,B represents an alkylene or alkenylene radical,E represents an alkyl, alkenyl, cycloalkyl, formyl, alkylcarbonyl, alkenylcarbonyl or cycloalkylcarbonyl radical, a phenylcarbonyl, phenylalkylcarbonyl, phenoxyalkylcarbonyl or phenylalkyl radical or hydrogen,F represents an optionally substituted alkylene radical,p represents 1 to 5 andq represents 0 or 1.
Abstract:
Cationic dyestuffs of the formula ##STR1## wherein R denotes an alkoxy, aralkoxy, aryloxy or acylamino radical, R.sub.1 and R.sub.3 denote hydrogen or an alkyl, cycloalkyl, aralkyl or aryl radical, R.sub.2 denotes hydrogen, halogen or an alkyl, cycloalkyl, aralkyl, aryl, nitrile, carboxylic acid ester, arylazo or heterocyclic radical, A denotes members of ring an An(.sup.-) denotes an anion, are suitable for dyeing and printing of natural and synthetic materials, especially of the polymers of acrylnitrile.
Abstract:
The invention relates to compounds of the formula ##STR1## wherein R.sub.1 = hydrogen, halogen, alkyl, alkenyl, etc.R.sub.2 = hydrogen or alkyl,R.sub.3 = hydrogen, alkyl, alkoxy or halogen,R.sub.4 and R.sub.5 = alkyl, alkenyl, cycloalkyl, aryl or aralkyl,R.sub.6 = hydrogen, alkyl or alkoxy andn = the numbers 1-4.The compounds are outstanding suitable for transfer printing of acid-modified fiber materials.