摘要:
1,7-Disubstituted perylene-3,4,9,10-tetracarboxylic dianhydrides I and perylere-3,4,9,10-tetracarboxylic acids Ia ##STR1## where L.sup.1, L.sup.2 independently of one another are 1,2-ethylene, 1,2-ethenylene and 1,2-ethynylene, andR.sup.1, R.sup.2 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.30 -alkyl,their preparation and use as pigments, laser dyes and precursors for preparing fluorescent dyes, polymeric colorants, pigments and pigment additives, and also 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic diimides (VI) as their intermediates.
摘要:
1,7-Disubstituted perylene-3,4,9,10-tetracarboxylic dianhydrides I and perylene-3,4,9,10-tetracarboxylic acids Ia ##STR1## where R is substituted or unsubstituted aryloxy, arylthio, hetaryloxy or hetarylthio,their preparation and use as pigments, laser dyes and precursors for preparing fluorescent dyes, polymeric colorants, pigments and pigment additives, and 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic diimides (VI) as intermediates thereof.
摘要:
A process for converting perylene-3,4:9,10-tetracarboximides of the general formula I in which R1 and R2 are each unbranched, branched or cyclic C1-C8-alkyl to a form suitable for use as fluorescent dyes, which comprises a) dissolving or suspending the perylene-3,4:9,10-tetracarboximides whose molecules have a molecular volume of ≦230 Å3 in an organic or inorganic solvent at from 0 to 250° C., b1) cooling the solution obtained in step a) to or below the crystallization temperature and, in the case of an organic solvent, if desired at the same time removing excess solvent until the first crystals form, or, in the case of an inorganic solvent, adding water or dilute aqueous solutions of the solvent until the first crystals form, and maintaining the solution at this temperature for further crystallization or b2) cooling the suspension obtained in step a) to or below the crystallization temperature when the temperature in step a) was above the crystallization temperature, and maintaining the suspension at this temperature for further crystallization, c) isolating the solvate crystals formed in step b) and d) then removing the solvent from the solvate crystals, and also novel crystalline forms of perylene-3,4:9,10-tetracarboxylic diimides.
摘要:
A process for converting perylene-3,4:9,10-tetracarboximides of the general formula I in which R1 and R2 are each unbranched, branched or cyclic C1-C8-alkyl to a form suitable for use as fluorescent dyes, which comprises a) dissolving or suspending the perylene-3,4:9,10-tetracarboximides in an organic or inorganic solvent whose molecules have a molecular volume of ≦230 Å3 at from 0 to 250° C., b1) cooling the solution obtained in step a) to or below the crystallization temperature and, in the case of an organic solvent, if desired at the same time removing excess solvent until the first crystals form, or, in the case of an inorganic solvent, adding water or dilute aqueous solutions of the solvent until the first crystals form, and maintaining the solution at this temperature for further crystallization or b2) cooling the suspension obtained in step a) to or below the crystallization temperature when the temperature in step a) was above the crystallization temperature, and maintaining the suspension at this temperature for further crystallization, c) isolating the solvate crystals formed in step b) and d) then removing the solvent from the solvate crystals, and also novel crystalline forms of perylene-3,4:9,10-tetracarboxylic diimides.
摘要:
A N,N'-dimethylperylene-3,4,9,10-tetracarboxylic diimide pigment suitable for aqueous basecoats is obtainable by coating the diimide, suspended in an aqueous medium, with a carboxyl-carrying resin in the presence of 3,4-dicarboximidoperylene-9-sulfonic acid or salts thereof and with a C.sub.8 -C.sub.8 -alkyl- or-alkenylamine, isolating and drying the coated dimide and then subjecting it to dry milling.
摘要:
A process for preparing quaterrylene-3,4:13,14-tetracarboximides of the general formula I in which R, R′ are each independently hydrogen or optionally substituted C1-C30-alkyl, C5-C8-cycloalky or aryl or hetaryl; which comprises reacting a perylene-3,4-dicarboximide of the general formula IIa in the presence of a base-stable, high-boiling, organic solvent and of an alkali metal base or alkaline earth metal base, with a perylene-3,4-dicarboximide of the general formula IIb in which X is hydrogen, bromine or chlorine.
摘要:
The current invention relates to a perylene-3,4-dicarboxylic anhydride, substituted in the 9-position, of the general formula III wherein Z is bromine or cyano, and processes for preparing 9-bromoperylene-3,4-dicarboxylic anhydride and 9-cyanoperylene-3,4-dicarboxylic anhydride.
摘要:
A process for preparing perylene-3,4:9,10-tetracarboxylic diimides of the general formula I where R is C1-C30-alkyl whose carbon chain may be interrupted by one or more —O— moieties and/or which may be substituted by one or more substituents selected from the group consisting of C5-C8-cycloalkyl (which may be substituted by one or more C1-C6-alkyl substituents), phenyl or phenyl-C1-C6-alkyl (which may each be substituted by one or more C1-C18-alkyl and/or C1-C6-alkoxy substituents), —OCOR1, —N(R1)2, —SO2NH2, —SO2N(R1)2, —CON(R1)2 and —COOR1; C5-C8-cycloalkyl whose carbon skeleton may be interrupted by one or more moieties selected from the group consisting of —O—, —S— and —NR2- and/or which may be substituted by one or more C1-C6-alkyl substituents; phenyl, phenyl-C1-C6-alkyl, naphthyl or hetaryl, which may each be substituted by one or more substituents selected from the group consisting of C1-C18-alkyl, C1-C6-alkoxy, phenylazo, naphthylazo, pyridylazo, pyrimidylazo, cyano, —N(R1)2, —CON(R1)2 and —COOR1; R1 is C1-C6-alkyl, C5-C8-cycloalkyl, phenyl or phenyl-C1-C6-alkyl; R2 is C1-C6-alkyl, phenyl or phenyl-C1-C6-alkyl, by dimerizing a naphthalene-1,8-dicarboximide of the formula II comprises effecting said dimerizing in a reaction medium consisting essentially of an a polar aprotic organic solvent and an alkali metal base and subsequently reoxidizing the resulting alkali metal salt of the leuco form of the perylene-3,4:9,10-tetracarboxylic diimide in the presence of a polar solvent, and also preparation of perylene-3,4:9,10-tetracarboxylic dianhydride and naphthalene-1,8-dicarboximides.
摘要:
A process for preparing perylene-3,4:9,10-tetracarboxylic dianhydride, comprising: dimerizing a naphthalene-1,8-dicarboximide of the formula IIa; reoxidizing the resulting alkali metal salt of the leuco form of the perylene-3,4:9,10-tetracarboxylic diimide of the formula Ia; hydrolyzing the diimide to the tetraalkali metal salt of perylene-3,4:9,10-tetracarboxylic acid in the presence of an inert organic solvent, of an alkali metal base and of water; and subjecting the tetraalkali metal salt of perylene-3,4:9,10-tetracarboxylic acid to the action of an aqueous inorganic acid to convert it into perylene-3,4:9,10-tetracarboxylic dianhydride; wherein R3 is cyclohexyl or phenyl which may each be substituted by up to three C1-C4-alkyl radicals, and the dimerizing is in a substantially homogeneous reaction medium consisting essentially of an apolar aprotic organic solvent and an alkali metal base.
摘要:
Rylene derivatives of the general formula I in which the variables are each defined as follows: Rylene is a polycyclic conjugated ring system which comprises at least one perylene unit may comprise heteroatoms as ring atoms, may be functionalized by moieties comprising —CO— groups and/or may bear further substituents other than the A radicals; A is a radical of the formula X is oxygen or sulfur; R are identical or different radicals: optionally substituted alkyl, cycloalkyl, aryl, hetaryl, —U-aryl where U is an —O—, —S—, —NR2—, —CO—, —SO— or —SO2— moiety, or C1-C12-alkoxy, C1-C6-alkylthio, —C≡CR2, —CR2═CR22, hydroxy, mercapto, halogen, cyano, nitro, —NR3R4, —NR3COR4, —CONR3R4, —SO2NR3R4, —COOR3 or —SO3R3; R′ are identical or different radicals: hydrogen or one of the R radicals; R2 is hydrogen or alkyl, where the R2 radicals may be the same or different when they occur more than once; R3, R4 are each independently hydrogen; optionally substituted alkyl, aryl or hetaryl; n is from 1 to 8.
摘要翻译:通式I的亚芳基衍生物各自定义如下:Rylene是多环共轭环系,其包含至少一个苝单元可以包含杂原子作为环原子,可以由包含-CO-基团和/ 或者可以承担除了A基团之外的其它取代基; A是式X的基团是氧或硫; R是相同或不同的基团:任选取代的烷基,环烷基,芳基,杂芳基,-U-芳基,其中U是-O - , - S - , - NR 2 - , - CO-, - SO - 或-SO 2 - 部分,或C 1 -C 12 - 烷氧基,C 1 -C -C≡CR2,-CR 2 -CR 2,2 - , - 羟基,巯基,卤素,氰基,硝基,-NR 3,R 4,-NR 3,COR 4, SO 2,SO 2,SO 2,SO 2,SO 3,SO 4,SO 2, >,-COOR 3或-SO 3 R 3; R'是相同或不同的基团:氢或R基团之一; R 2是氢或烷基,其中R 2个基团当它们不止一次出现时可以相同或不同; R 3,R 4各自独立地为氢; 任选取代的烷基,芳基或杂芳基; n为1至8。