Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
  • C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
  • C07D221/04—Ortho- or peri-condensed ring systems
  • C07D221/18—Ring systems of four or more rings
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
  • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
  • B01J23/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
  • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
  • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
  • B01J23/72—Copper
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
  • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
  • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
  • B01J23/74—Iron group metals
  • B01J23/745—Iron
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
  • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
  • C09B3/14—Perylene derivatives

Definitions

• the present invention relates to a novel process for the preparation of perylene-3,4-dicarboximides which carry a sterically demanding substituent on the imide nitrogen atom by reacting a perylene-3,4: 9,10-tetracarboxylic dianhydride with a sterically hindered primary amine a substantially anhydrous reaction medium.
• Perylene-3,4-dicarboximides are known to be fluorescent substances and pigments and also suitable as intermediates for fluorescent dyes, pigments, pigment additives and IR absorbers.
• tertiary nitrogen-based compounds are here in addition.
• tertiary aliphatic amines such as trihexylamine and cyclic amides such as N-Metriylpyrrolidon particular aromatic heterocyclic imines such as quinoline, isoquinoline and quinaldine called. Mixtures of these compounds are not mentioned, and the reactions described by way of example are all carried out in quinoline.
• EP-A-657 436 describes the reaction analogous to WO-A-96/22331 under pressure in the presence of water. However, the yields obtained here are only in the range of 10 to 50%.
• the invention had the object of providing a method according to which Perylene-3,4-dicarboximides, which carry sterically demanding substituents on the imide nitrogen atom, are advantageously accessible in high yield and purity so high that additional purification can be omitted.
• a process for the preparation of perylene-3,4-dicarboximides which carry a sterically demanding substituent on the imide nitrogen atom, by reacting a perylene-3,4: 9,10-tetracarboxylic dianhydride with a ster ⁇ hindered primary amine in one found essentially anhydrous Anythingsme ⁇ medium, which is characterized in that one carries out the reaction in the presence of a tertiary amine, a solvent based on a cyclic imine or amide as a solvent and a Lewis acid as a catalyst.
• Essential for the process of the invention is that in addition to the cyclic imine as a solvent, a tertiary amine, that is, a substituent carrying 3 amine (hereinafter referred to as "amine catalyst") is used.
• Amines of the general formula I are preferably suitable as the amine catalyst
• R 1 , R 2 are independently hydrogen; C 1 -C 23 -AlkVl, whose carbon chain by one or more groups
• -O-, -S- and / or -NR 4 - may be interrupted and by hydroxy, cyano, halogen, nitro, C 6 -C 10 -aryl, which may contain one to three heteroatoms in the ring system, and / or C 4 -C 12 cycloalkyl which may contain one to four heteroatoms in the ring system may be substituted; C 4 -C 12 -cycloalkyl whose carbon chain can be interrupted by one or more groups -O-, -S- and / or -NR 4 - and which by C 1 -C 18 alkyl, hydroxy, cyano, halogen and / or nitro may be substituted; C 6 -C 10 -ArVl, which may be substituted by d-Cie-alkyl, hydroxy, cyano, halogen and / or nitro; together form a 4- to 9-membered saturated ring containing the grouping -CH 2 -NR 3 -CH
• C 4 -C 12 -cycloalkyl whose carbon chain can be interrupted by one or more groups -O-, -S- and / or -NR 4 - and which by C 1 -C 18 alkyl, hydroxy, cyano, halogen and / or nitro may be substituted;
• C 6 -C 10 -aryl which may contain one to three heteroatoms in the ring system and may be substituted by C 1 -C -alkyl, hydroxy, cyano and / or nitro;
• R 1 , R 2 and R 3 together to form a saturated, bicyclic, the grouping
• R 4 is hydrogen; C r C 12 alkyl.
• R 1 , R 2 are independently hydrogen
• C 1 -C 4 -alkyl which may be substituted by hydroxy; together form a 4- to 9-membered saturated ring containing the grouping -CH 2 -NR 3 -CH 2 - which may be interrupted by further groupings -NR 4 -; R 3 is C 4 -C 12 -alkyl which may be substituted by hydroxy;
• R 4 is hydrogen; C r C 12 alkyl.
• the process according to the invention is preferably used for the preparation of perylene-3,4-dicarboximides of the general formula II 23
• RC 3 -C 24 -alkyl which is branched in the 1-position, whose carbon chain can be interrupted by one or more groups -O-, -S-, -NR 4 -, -CO- and / or -SO 2 - and by carboxy, sulfo, hydroxy, cyano, Ci-C 6 alkoxy, C 3 -C 8 - cycloalkyl which may contain from one to four heteroatoms in the ring system, and / or C 6 -C 0 -aryl, the one to three May contain heteroatoms in the ring system, may be mono- or polysubstituted;
• (C) C 3 -C 8 -cycloalkyl which may contain one to four heteroatoms in the ring system, may contain unsaturated bonds and by carboxy, sulfo, hydroxy, cyano, halogen, nitro, C r C 6 alkoxy and / or C 6 -C 0 aryl, one to three
• C 6 -Cio-aryl which may contain one to three heteroatoms in the ring system, membered 7 to the other 5- to, saturated, unsaturated or aromatic rings may be fused, and by Ci-Ci 2 alkyl mono- or may be substituted several times;
• 1-naphthyl which is substituted in the ortho position by one of the phenyl substituents (a) to (e) and in the other ring positions may carry the same or one or more different substituents and the one to three heteroatoms in the ring system may contain;
• 2-naphthyl which is substituted in both ortho positions by one or different of the substituents (a) to (e) mentioned for phenyl and in the other ring positions may carry the same or one or more substituents thereof and the one to three May contain heteroatoms in the ring system;
• R 1 is independently hydrogen; Halogen; CrC 18 alkyl; C 6 -C 10 aryloxy or arylthio, each of which may contain one to three hetero atoms in the ring system and in each case by -C 10 -alkyl, C may be ated 6 -alkoxy, cyano and / or carboxy substitu ⁇ ; R 4 is hydrogen; C r C 12 alkyl.
• Phenyl which is substituted in both ortho positions by secondary C 3 -C 12 alkyl radicals or in an ortho position by a tertiary C 4 -C 12 alkyl radical and that at the other positions by C r C 12 alkyl, C 6 -C 0 -aryl and / or halogen may be substituted;
• R ' is hydrogen; Halogen; C 6 -C 10 -aryloxy or -arylthio, each represented by C 1 -C 10 -
• Sulfomethyl 2-sulfoethyl, 3-sulfopropyl, 4-sulfobutyl, 5-sulfopentyl, 6-sulfohexyl, 8-sulfooctyl, 10-sulfodecyl, 12-sulfododecyl and 14-sulfotetradecyl;
• Carbamoyl methylaminocarbonyl, ethylaminocarbonyl, propylaminocarbonyl, butylaminocarbonyl, pentylaminocarbonyl, hexylaminocarbonyl, heptylaminocarbonyl, octylaminocarbonyl, nonylaminocarbonyl, decylaminocarbonyl and phenylaminocarbonyl;
• Trialkylamines whose alkyl radicals have 3 to 24, in particular 3 to 12, C atoms:
• Cyclic trialkylamines N-alkylmorpholines such as N-methylmorpholine; 1,4-diazabicyclo [2,2,2] octane (DABCO);
• N, N'-dialkylpiperazines such as N, N'-dimethylpiperazine;
• N-alkyl-N'-arylpiperazines such as N-phenyl-N'-methylpiperazine;
• Dialkylamino heteroaromatics preferably 4- (N, N- (di-C 1 -C 4 -alkyl) amino) pyridines, and heteroaromatics substituted with cyclic amino groups: 4- (N, N-dimethylamino) pyridine (DMAP), 4- (N, N) N-diethylamino) pyridine and 4- (N 1 N-
• Dipropylamino) pyridine 4-Pyrrolidine-1-yl-pyridine and 4-piperidine-1-yl-pyridine.
• the reaction products of mono- and dialkylamines with ethylene oxide and / or propylene oxide, cyclic trialkylamines and dialkylamino heteroaromatics and heteroaromatics substituted with cyclic amino groups are preferred as the amine catalysts.
• C 3 -C 6 -dialkylethanolamines for example dibutylethanolamine, C 3 -C 10 -alkyldiethanol- and especially -dipropanolamines, for example octyldipropanolamine, 1,4-diazabicyclo [2,2,2] octane and 4- ( N, N- (di-C 1 -C 4 alkyl) amino) pyridines, eg 4- (N, N-dimethylamino) pyridine, 4-pyrrolidin-1-ylpyridine and 4-piperidine-1-ylpyridine.
• C 3 -C 6 -dialkylethanolamines for example dibutylethanolamine, C 3 -C 10 -alkyldiethanol- and especially -dipropanolamines, for example octyldipropanolamine, 1,4-diazabicyclo [2,2,2] octane and 4- ( N, N-
• mixtures of the amine catalysts can be used.
• amine catalyst 0.01 to 4 mol, preferably 0.5 to 2 mol, of amine catalyst are used per mole of perylene-3,4: 9,10-tetracarboxylic dianhydride.
• the solvents used in the process according to the invention are cyclic imines or amides.
• cyclic imines such as quinoline, isoquinoline and quinaldine are particularly suitable, quinoline being preferred as the solvent.
• solvent mixtures can also be used.
• the amount of solvent is not critical per se and is usually 2 to 20 kg, preferably 1 to 8 kg per kg of perylene-3,4: 9,10-tetracarboxylic dianhydride.
• a Lewis acid is used in the process according to the invention. It is preferably a transition metal catalyst based on iron and especially zinc or copper. Particularly preferred are the inorganic and organic salts of these metals. Of course you can also use mixtures of these catalysts.
• Examples of preferred salts are copper (I) oxide, copper (II) oxide, copper (I) chloride, copper (II) acetate, zinc acetate and zinc propionate.
• 0.1 to 10 preferably 0.5 to 3, molar equivalents of Lewis acid catalyst, based on the perylene-3,4: 9,10-tetracarboxylic dianhydride, are used.
• the primary amines used in the process according to the invention are sterically hindered primary amines, in particular the amines of the formula IV.
• per mole of perylene-3,4 9,10-tetracarboxylic dianhydride 1 to 6 mol, preferably 1, 5 to 4 mol, primary amine used.
• the reaction temperature is generally 120 to 25O 0 C, preferably 180 to 250 0 C.
• a protective gas atmosphere e.g., nitrogen
• reaction according to the invention is completed in 2 to 40 hours, in particular in 5 to 30 hours.
• Perylene-3,4 9,10-tetracarboxylic dianhydride, Lewis acid catalyst, primary amine and amine catalyst are added to the solvent, the apparatus is purged with nitrogen and the mixture is heated to the reaction temperature with stirring. In this case, the water of reaction formed and any water contained in the reaction components used are distilled off. After about 5 to 30 hours of stirring at the reaction temperature is cooled to 50 to 8O 0 C and diluted by addition of a primary aliphatic alcohol, for example methanol, ethanol, propanol or ethylene glycol.
• a primary aliphatic alcohol for example methanol, ethanol, propanol or ethylene glycol.
• perylene-3,4-dicarboximide can be isolated by filtration.
• a metal-containing Lewis acid-catalyst it may be stirred at 50 to 80 0 C in an inorganic acid (hydrochloric acid or sulfuric .-% such as 5 to 20 percent).
• This treatment can also be carried out in combination with a primary aliphatic alcohol, such as ethanol.
• the filtered off product is finally washed with ethanol and water and dried.
• the perylene-3,4-dicarboxylic acid imides obtained in this way have such high Wert ⁇ contents (usually> 94%) that they are not subjected to further purification which must and can be used directly for all desired applications.
• the process according to the invention is outstandingly suitable for the preparation of all perylene-3,4-dicarboximides which carry sterically hindered substituents on the imide nitrogen atom.
• Both substituted and unsubstituted perylene-3,4-dicarboxylic acid imides can be prepared in high yields (usually from 45 to 65%) both in the Rylenem group.

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Engineering & Computer Science (AREA)
• Materials Engineering (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Nitrogen Condensed Heterocyclic Rings (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Other In-Based Heterocyclic Compounds (AREA)
• Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
• Plural Heterocyclic Compounds (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=35614705

Family Applications (1)

Country Status (7)

Cited By (7)

Families Citing this family (12)

Citations (1)

Family Cites Families (3)

• 2004
  • 2004-11-09 DE DE102004054303A patent/DE102004054303A1/de not_active Withdrawn
• 2005
  • 2005-11-04 US US11/718,893 patent/US7799920B2/en active Active
  • 2005-11-04 JP JP2007540546A patent/JP5145045B2/ja not_active Expired - Lifetime
  • 2005-11-04 CN CN2005800383972A patent/CN101056860B/zh not_active Expired - Lifetime
  • 2005-11-04 KR KR1020077011844A patent/KR101264445B1/ko not_active Expired - Lifetime
  • 2005-11-04 WO PCT/EP2005/011823 patent/WO2006050860A1/de not_active Ceased
  • 2005-11-04 EP EP05800634.7A patent/EP1812401B1/de not_active Expired - Lifetime

Patent Citations (1)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events