WO2006064731A1 - ポリメチン系化合物の非溶媒和型結晶、その製造方法及び用途 - Google Patents
ポリメチン系化合物の非溶媒和型結晶、その製造方法及び用途 Download PDFInfo
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- WO2006064731A1 WO2006064731A1 PCT/JP2005/022653 JP2005022653W WO2006064731A1 WO 2006064731 A1 WO2006064731 A1 WO 2006064731A1 JP 2005022653 W JP2005022653 W JP 2005022653W WO 2006064731 A1 WO2006064731 A1 WO 2006064731A1
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- 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
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/30—Indoles; Hydrogenated indoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring
- C07D209/32—Oxygen atoms
- C07D209/34—Oxygen atoms in position 2
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- 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
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/0066—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being part of a carbocyclic ring,(e.g. benzene, naphtalene, cyclohexene, cyclobutenene-quadratic acid)
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- 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
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
- C09B23/08—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines
- C09B23/086—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines more than five >CH- groups
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- 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
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0025—Crystal modifications; Special X-ray patterns
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
Definitions
- Non-solvated crystal of polymethine compound its production method and use
- the present invention relates to a novel non-solvated crystal of a polymethine compound, a method for producing the same, and a near infrared absorber using the non-solvated crystal.
- polymethine compounds have been widely used as photothermal conversion agents for optical recording media, near-infrared absorbing filter materials, or plate-making materials using laser light.
- general-purpose semiconductor lasers for example, 780 nm to 840 nm laser light
- general-purpose solvents such as alcohol solvents such as methanol and ethanol.
- polymethine compounds that satisfy such demands are well known.
- Patent Documents 1 to 6 and Non-Patent Document 1 described later A method is known in which or 2 is condensed in a dehydrating organic acid in the presence of an organic amine compound or a fatty acid salt (see Patent Documents 1 to 6 and Non-Patent Document 1 described later).
- the diformyl compound of the formula (V) used here is toxic (positive for mutagenicity) due to its poor storage stability, so it must be handled with care and used as a raw material for industrial production methods. It is preferable to use as! / ,.
- the method of reacting the indoline compound of formula (IV) with the dianyl compound of formula (VI) is a compound having a basic structural formula different from that of the polymethine compound of the present invention. It is disclosed in Example 3.
- the obtained substance was a methanol solvate and a low-purity compound.
- Patent Document 7 describes an example in which a compound having the same basic structural formula as the polymethine compound of the present invention is used as an infrared absorber for a negative type image recording material (plate-making material field using laser light). There is no description of the stability and sensitivity of the production method and physical properties of the polymethine compound itself.
- a known compound having the same structural formula as the compound of the present invention is a solvate due to its production method, and is a low-purity product, so there are great restrictions on its use.
- a compound having the same structural formula as that of the present invention forms a solvate and is used as, for example, a photothermal conversion agent for CTP (Computer To Plate) plate making, the purity of the solution is poor. Since it is not stable, the photothermal conversion efficiency fluctuates greatly, and there are significant practical problems.
- solvate is a general term including hydrate.
- polymethine compounds there is no report that there is a large difference in stability and sensitivity in solution depending on the presence or absence of solvation even if the basic structure of the compound is the same.
- Patent Document 1 JP 2001-64255 A
- Patent Document 2 JP-A-2002-52855
- Patent Document 3 Japanese Patent Laid-Open No. 10-195319 8 page 10
- Patent Document 4 Patent Publication No. 3045404 Example 1
- Patent Document 5 German Patent Publication DE3721850
- Patent Document 6 Japanese Patent Laid-Open No. 62-36469
- Patent Document 7 Japanese Unexamined Patent Publication No. 2000-35669
- Non-Patent Document 1 J. Org. Chem. 1995, 60, 2394
- the object of the present invention is to provide a novel polymethine compound having good stability in a solution, high gram extinction coefficient, high purity, stability and easy handling, and high sensitivity to general-purpose semiconductor lasers. It is to provide unsolvated crystals.
- the present inventors have found that a novel non-solvated crystal of a polymethine compound having a specific structure has good stability in a solution.
- the present invention has been completed by finding that it has a high absorption coefficient and is highly sensitive to laser light in the vicinity of 780 nm and 840 nm, can be used as a near-infrared absorber that is highly pure and stable, and can be easily processed into various applications. .
- TsO represents p-toluenesulfonic acid residue.
- Non-solvated crystal of polymethine compound of (1) having a TG weight loss value of 3% or less at 150 ° C or lower in a TG-DTA (thermogravimetric differential thermal analysis) measurement diagram.
- R represents an alkyl group, an alkoxyalkyl group or an aryl group which may have a substituent.
- a crystal is formed in the presence of a mixed solvent of a ketone solvent and an ester solvent using a polymethine ether compound represented by the formula ( ⁇ ) and ⁇ -toluenesulfonic acid as a reaction reagent.
- a polymethine ether compound represented by the formula ( ⁇ ) and ⁇ -toluenesulfonic acid as a reaction reagent.
- R represents an alkyl group, an alkoxyalkyl group or an aryl group which may have a substituent.
- R represents an alkyl group, an alkoxyalkyl group or an aryl group which may have a substituent.
- At least one of the ⁇ -type crystal transformation, the type crystal transformation, and the ⁇ -crystal transformation described in (4), (6), and (8) is dissolved in a mixed solvent of a ketone solvent and an alcohol solvent.
- the method for producing a ⁇ -type crystal modification characterized by adding an ester solvent and precipitating crystals.
- R represents an alkyl group, an alkoxyalkyl group or an aryl group which may have a substituent.
- a near-infrared absorber comprising a non-solvated crystal of a polymethine compound according to any one of (1), (2), (4), (6), (8) or (10) .
- the compound represented by the chemical structural formula of the known formula (I) and the compound represented by the chemical structural formula of the formula (I) produced by a known production method are water or an organic solvent (for example, methanol, ethanol). Etc.) and is often of low purity.
- the unsolvated crystal of the polymethine compound of the present invention represented by the formula (I) is solvated with water or an organic solvent !, which is a completely new crystal.
- the TG-DTA (thermogravimetric differential thermal analysis) measurement diagram of the unsolvated crystal of the polymethine compound represented by the formula (I) of the present invention shows that the TG weight loss value at 150 ° C or lower is 3 % Or less, preferably 2% or less. Solvates and Z or low-purity products may have a TG weight loss value of less than 3% below 150 ° C.
- the unsolvated crystal of the polymethine compound represented by the formula (I) of the present invention has four different crystal modifications depending on the method of extracting the crystal.
- these four kinds of crystal transformations are called ⁇ -type crystal transformation,
- Each of these crystal transformations has its own characteristic peak in the diffractogram in the powder X-ray diffraction method using Cu-Ka line. Solvates and / or low-purity products exhibit completely different powder X-ray diffraction patterns.
- Each of these crystal modifications has its own distinct melting point (decomposition temperature) and is over 190 ° C, but solvates and Z or low-purity products do not have a distinct melting point (decomposition temperature) or 1 Often less than 90 ° C! ,.
- the unsolvated crystal of the polymethine compound represented by the formula (I) of the present invention is surprisingly
- alcoholic solvents such as methanol and ethanol, and acetone and methylethylketone ketone solvents used in the field of platemaking materials using laser light, laser thermal recording materials, etc. It is very suitable for this field of application where the stability of the solution in it is high.
- the extinction coefficient in the 780 to 840 nm region is high, it can be suitably used for general-purpose semiconductor lasers (light emitting region: 780 to 840 nm) in many recording material fields using a single laser beam. It is extremely useful in the fields of recording materials such as laser thermal transfer recording materials and laser thermosensitive recording materials and plate making materials.
- R represents an alkyl group, an alkoxyalkyl group or an aryl group which may have a substituent.
- R is an alkyl group
- a linear or branched alkyl group having 1 to 4 carbon atoms which is preferably a linear or branched alkyl group having 1 to 8 carbon atoms, is particularly preferable.
- Examples include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, isopentyl, neopentyl, n- Xyl, isohexyl, sec-hexyl, 2-ethylbutyl, n
- Examples include monoheptyl group, isoheptyl group, sec heptyl group, n-octyl group, and 2-ethyl hexyl group.
- R being an alkoxyalkyl group
- those having 2 to 8 carbon atoms are preferred, and those having 2 to 4 carbon atoms are particularly preferred.
- Examples include a methoxymethyl group, a 2-methoxyethyl group, a 3-methoxypropyl group, a 2-ethoxymethyl group, a 2-ethoxyethyl group, a 2-propoxyethyl group, and a 2-butoxetyl group.
- Examples of the aryl group in which R may have a substituent include a phenyl group that may have a substituent and a naphthyl group that may have a substituent. A good phenyl group is preferred.
- Examples of the substituent include an alkyl group, an amino group, a nitro group, an alkoxy group, a hydroxyl group, a halogen atom and the like, and an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms is preferable.
- R is a phenyl group having an alkyl group
- examples of those in which R is a phenyl group having an alkyl group include a 2-methylphenol group, a 3-methylphenol group, a 4-methylphenol group, a 2,3-dimethylphenyl group, 2,4 — Dimethyl file group, 3, 4 Dimethyl file group, 2, 5 Dimethyl file group, 2, 6— Dimethyl file group, 2 Ethyl file group, 3 Ethyl file group, 4 Ethyl file group, 2 , 3 Jetylphenol, 2, 4 Jetylphenol, 3, 4 Jetylphenyl, 2, 5 Jetylphenol, 2, 6 Jetylphenol.
- R is a phenyl group having an alkoxy group
- examples of those in which R is a phenyl group having an alkoxy group include 2-methoxyphenyl group, 3-methoxyphenyl group, 4-methoxyphenyl group, 2,3 dimethoxyphenyl group, 2 , 4-dimethoxyphenyl group, 3,4-dimethoxyphenyl group, 2,5-dimethoxyphenyl group, 2,6-dimethoxyphenyl group.
- the ratio of the compound represented by the formula (II) to p-toluenesulfonic acid is usually about 0.5 to 3 mol, preferably about 1 to 1.5 mol, with respect to 1 mol of the former. To do.
- Solvents used in the reaction, reaction conditions, and post-treatment conditions vary depending on the crystal modification to be produced.
- the target product After the reaction, the target product can be easily isolated by filtration and washing. Further, it can be easily purified by conventional purification means such as recrystallization.
- the polymethine etheric compound (II) is, for example, a polymer represented by the following formula (VII): It can be produced by reacting a tin compound with an alkali metal alkoxide salt or alkali metal alkoxide salt represented by the following formula (VIII) in an organic solvent:
- M represents an alkali metal
- R represents the same as described above.
- TsO- sulfonate
- benzene sulfonate p-toluene sulfonate
- naphthalene carbonate naphthalene carbonate
- naphthalene sulfonate naphthalene disulfonate
- Cl_ Cl_, Br ", ⁇ , CIO- , BF-, PF-, SbF "
- CIO-, BF-, and TsO- are particularly preferred among TsO-. It is used here
- the polymethine compound of formula (VII) may be a known solvated crystal.
- examples of M include alkali metals such as sodium and potassium.
- Examples of the organic solvent include alcohols such as methanol, ethanol, n-propanol, iso-propanol and n-butanol, ethers such as tetrahydrofuran and dioxane, esters such as methyl acetate, ethyl acetate and butyl acetate, Aromatic hydrocarbons such as benzene, toluene and xylene, halogenated hydrocarbons such as dichloromethane, trichloromethane, dichloroethane and trichloroethane, aprotic polar solvents such as dimethylformaldehyde, dimethylacetamide and dimethylsulfoxide Can be mentioned.
- the ratio of the compound represented by the general formula (VII) and the compound represented by the general formula (VIII) is usually about 1 to 30 mol, preferably about 2 to 10 mol, with respect to 1 mol of the former. To do.
- the organic solvent is generally used in an amount of about 2 to 30 L, preferably about 5 to 20 L, per mole of the compound represented by the general formula (VII).
- the above reaction usually proceeds suitably at 0 to about L00 ° C, preferably 10 to 70 ° C, and is generally completed in about several minutes to 10 hours.
- the target product can be easily isolated by filtration and washing. Further, it can be easily purified by conventional purification means such as recrystallization and column separation.
- the compound represented by the general formula (VII) can be synthesized by a method described in, for example, the publication of Japanese Patent Laid-Open No. 2000-226528.
- the ⁇ -type crystal modification of the unsolvated crystal of the polymethine compound of the present invention is the diffraction angle (2 0 ⁇ 0.2 °) 10.7 °, 16.3 in the powder X-ray diffraction method using Cu-Ka line. °, 17.0 °, 24.8 °, 27.5 °, preferably 11.7 °, 12.1 °, 16.3 °, 17.0 °, 18.3 °, 24.8 °, 27 . Characteristic peak at 5 °.
- the a-type crystal modification can be produced by the following method.
- a crystal is obtained in the presence of a mixed solvent of a ketone solvent and an ester solvent using a polymethine ether compound represented by the general formula ( ⁇ ) and p-toluenesulfonic acid as a reaction reagent.
- ketone solvent examples include acetone, methyl ethyl ketone, methyl propyl ketone, methyl buty ketone, and the like, preferably acetone, methyl ethyl ketone, and particularly preferably acetone.
- ester solvent examples include methyl acetate, ethyl acetate, butyl acetate, and the like, and preferably ethyl acetate.
- the amount of the ketone solvent used is 2 to 30 times, preferably 5 to 15 times the amount of the polymethine ether compound represented by the general formula ( ⁇ ) by weight to volume ratio.
- the amount of the ester solvent used is 2 to 10 times, preferably 3 to 7 times the amount of the polymethine ether compound represented by the general formula ( ⁇ ) by weight to volume ratio.
- a polymethine ether compound represented by the general formula ( ⁇ ) and p-toluenesulfonic acid are added in a ketone solvent at 0 to 60 ° C., preferably 10 to 50 ° C. for 10 minutes to React for 10 hours, preferably 30 minutes to 2 hours, and then add an ester solvent and react at 0 to 60 ° C, preferably 40 to 60 ° C for 10 minutes to 10 hours, preferably 30 minutes to 2 hours.
- Crystals gradually precipitate during the reaction of the above-mentioned reaction reagent in a ketone solvent. A large amount of crystals are precipitated as an ⁇ - type crystal transformation while heating by adding an ester solvent. After completion of the reaction, the mixture is cooled to 20 ° C or lower, and the precipitated crystals are filtered off, washed with an ester solvent, and dried to obtain an ⁇ -type crystal modification.
- the ⁇ -type crystal modification of the unsolvated crystal of the polymethine compound of the present invention is the diffraction angle (2 0 ⁇ 0.2 °) 15.5 °, 19.0 in the powder X-ray diffraction method using Cu-Ka line. Shows characteristic peaks at °, 22.3 °, 22.9 °, preferably 15.5 °, 16.1 °, 19.0 °, 22.3 °, 22.9 °, 23.8 ° .
- the ⁇ 8 crystal modification can be produced by dispersing the ⁇ crystal modification in warm water at 30 ° C or higher.
- the amount of warm water used is 1 to: L00 times, preferably 5 to 15 times the amount of ⁇ -type crystal transformation in terms of weight to volume ratio.
- the temperature of the hot water may be 30 ° C or higher, but more preferably 40 to 80 ° C. Even if the temperature of the hot water is lower than 30 ° C, it is possible to obtain the j8-type crystal transformation.
- the dispersion treatment time is 10 minutes to 5 hours, preferably 20 minutes to 2 hours.
- the ⁇ -type crystal transformation of the unsolvated crystal of the polymethine compound of the present invention is the diffraction angle (2 0 ⁇ 0.2 °) 11.6 °, 11.9 in the powder X-ray diffraction method using Cu-Ka line. Characteristic peaks at °, 24.5 °, preferably 5.6 °, 11.6 °, 11.9 °, 16.8, 24.5 °, 24.9 °.
- the ⁇ -type crystal modification can be produced by the following method.
- a polymethine etheric compound represented by the general formula ( ⁇ ) and ⁇ toluenesulfonic acid are used as a reaction reagent.
- Propanol, n-butanol and the like preferably methanol and ethanol, particularly preferably methanol.
- the amount of the alcohol solvent used is 7 to 30 times, preferably 8 to 15 times the amount of the polymethine ether compound represented by the general formula ( ⁇ ) by weight to volume ratio.
- the amount of water used is 7 to 30 times, preferably 8 to 15 times the amount of the polymethine etheric compound represented by the general formula ( ⁇ ) by weight to volume ratio.
- hydrates or alcohol hydrates may be mixed into the resulting crystals.
- a polymethine ether compound represented by the general formula ( ⁇ ) and p-toluenesulfonic acid are mixed in an alcohol solvent at 0 to 70 ° C, preferably 20 to 40 ° C for 10 minutes to 10 minutes.
- the reaction time is preferably 30 minutes to 2 hours.
- Water is added to the reaction mixture in this solution state, and the reaction is carried out at 0 to 50 ° C., preferably 20 to 40 ° C. for 10 minutes to 10 hours, preferably 30 minutes to 2 hours, whereby a ⁇ -type crystal transformation is precipitated.
- reaction temperature after adding water is higher than 50 ° C, hydrates or alcohol hydrates may be mixed into the resulting crystals.
- the mixture is cooled to 20 ° C or lower, and the precipitated crystals are separated by filtration, washed with water, and dried to obtain a ⁇ -type crystal modification.
- the ⁇ -type crystal modification of the unsolvated crystal of the polymethine compound of the present invention is the diffraction angle (2 0 ⁇ 0.2 °) 10. 8 °, 14. 8 in the powder X-ray diffraction method using Cu-Ka line. Characterized by °, 16.9 °, 21.4 °, 23.7 °, preferably 10.8 °, 14.8 °, 16.9 °, 21.4 °, 22.1 °, 23.7 ° A typical peak.
- the ⁇ -type crystal modification can be produced by the following method.
- the polymethine ether compound represented by the general formula ( ⁇ ) is reacted with ⁇ toluenesulfonic acid. After reacting with a mixed solvent of a ketone solvent and an alcohol solvent as a test agent, an ester solvent is added to obtain crystals.
- ketone solvent examples include acetone, methyl ethyl ketone, methyl propyl ketone, and methyl butyl ketone, preferably acetone and methyl ethyl ketone, and particularly preferably acetone.
- Alcohol solvents include methanol, ethanol, n -propanol. Propanol, n-butanol and the like, preferably methanol and ethanol, particularly preferably methanol.
- ester solvent examples include methyl acetate, ethyl acetate, butyl acetate and the like, and preferably ethyl acetate.
- the amount of the ketone solvent used is 1 to 10 times, preferably 1 to 3 times the amount of the polymethine ether compound represented by the general formula ( ⁇ ) by weight to volume ratio.
- the amount of the alcoholic solvent used is 0.1 to 5 times, preferably 0.1 to 1 times the amount of the polymethine ether compound represented by the general formula ( ⁇ ) by weight to volume ratio.
- the amount of the ester solvent used is 1 to 30 times, preferably 5 to 15 times the amount of the polymethine ether compound represented by the general formula ( ⁇ ) by weight to volume ratio.
- a polymethine ether compound represented by the general formula ( ⁇ ) and p-toluenesulfonic acid are mixed at 0 to 60 ° C, preferably 10 to 50 in a mixed solvent of a ketone solvent and an alcohol solvent.
- the reaction is performed at ° C for 10 minutes to 10 hours, preferably 30 minutes to 2 hours.
- an ester solvent is added to the reaction mixture in the solution state, and 0 to 60 ° C, preferably 40 to 60 ° C for 10 minutes.
- the ⁇ -type crystal transformation is precipitated. After completion of the reaction, it is cooled to 20 ° C or lower, and the precipitated crystals are separated by filtration and washed with an ester solvent.
- ⁇ -type crystal transformation at least one selected from ⁇ -type crystals, j8-type crystals and ⁇ -type crystals is dissolved in a mixed solvent of a ketone solvent and an alcohol solvent, and then an ester solvent is added thereto. Even if it says, it can manufacture.
- ketone solvents examples and amounts are the above polymethine ether compounds and ⁇ toluenesulfonic acid as a reaction reagent. It is the same as the case where it manufactures using.
- the step of dissolving at least one selected from a-type crystals, ⁇ -type crystals and ⁇ -type crystals in a mixed solvent of a ketone solvent and an alcohol solvent is 0 to 60 ° C, preferably 10 to 50 ° C. Stir for minutes to 10 hours, preferably 30 minutes to 2 hours.
- the ⁇ -type crystal transformation is precipitated by stirring at 0 to 60 ° C., preferably 40 to 60 ° C. for 10 minutes to 10 hours, preferably 30 minutes to 2 hours.
- the mixture is cooled to 20 ° C. or lower, and the precipitated crystals are separated by filtration, washed with an ester solvent, and dried to obtain a ⁇ -type crystal modification.
- a non-solvated crystal of the polymethine compound of the formula (I) may be used alone, or as required, a binder resin, other near-infrared absorbing material, coloring You may mix
- Noinda rosin there are no particular restrictions on Noinda rosin, but for example, homopolymers or copolymers of acrylic acid monomers such as acrylic acid, methacrylic acid, acrylic acid ester, methacrylic acid ester, methyl cellulose, ethyl cellulose, Cellulose-based polymers such as cellulose acetate, polystyrene, vinyl chloride butyl acetate copolymer, bully polymers such as polybulpy lipidone, polybulbutyral, polybulualcohol, and copolymers of beluis compounds , Condensation polymers such as polyester and polyamide, rubber-based thermoplastic polymers such as butadiene-styrene copolymers, and polymers obtained by polymerizing and cross-linking photopolymerizable compounds such as epoxy compounds. .
- acrylic acid monomers such as acrylic acid, methacrylic acid, acrylic acid ester, methacrylic acid ester, methyl cellulose, ethyl
- the near-infrared absorbing material used for the near-infrared absorbing agent various known near-infrared absorbing materials other than the non-solvated crystal of the polymethine compound of the general formula (I) can be used without departing from the object of the present invention. Can be used together.
- Near-infrared absorbing materials that can be used in combination include pigments such as carbon black and charlin black, and "Near-Infrared Absorbing Dyes” ( ⁇ 45-51) from “Chemical Industry (1986, May)” “Development and market trend of functional dyes in the 1990s” CMC (1990) Chapter 2 2.3.
- Polymethine dyes cyanine dyes
- phthalocyanine dyes dithionore metal complex dyes
- naphthoquinone naphthoquinone
- Anthraquinone dyes trimethane (similar) dyes
- amino examples thereof include diimonium dyes, pigments such as azo dyes, indoor diphosphorus metal complex dyes, intermolecular C ⁇ dyes, and dye dyes.
- the near-infrared absorber of the present invention is used as a photothermal conversion agent for a plate-making material using laser light, for example, paper, paper laminated with plastic (for example, polyethylene, polypropylene, polystyrene, etc.),
- a metal plate such as aluminum (including aluminum alloy), zinc, copper, etc., for example, cellulose diacetate, cellulose triacetate, cellulose butyrate, polystyrene terephthalate, polyethylene, polystyrene, polypropylene, polycarbonate, polybulucetal
- a printing original plate for plate making can be prepared by applying a solution obtained by dissolving a near infrared absorber with an organic solvent on a support such as a plastic film.
- the solvent used for the solution to be applied is not particularly limited.
- Ethers such as methyl ether ketone, methyl isobutyl ketone, cyclohexanone and other alcoholic solvents, methanol, ethanol, propanol and other cellulosic solvents, and methyl cellosolve and ethyl acetate oral solvent are preferred.
- ketones such as methyl ethyl ketone, methyl isobutyl ketone and cyclohexanone
- alcohol solvents such as methanol, ethanol and propanol are preferred.
- the near-infrared absorber of the present invention is used for a recording material such as a laser thermal transfer recording material or a laser thermosensitive recording material
- a coloring component or a coloring component may be blended with the near-infrared absorber.
- a layer containing a coloring component or a coloring component may be provided separately.
- the coloring component or coloring component an image is formed by a physical or chemical change by heat of a sublimable dye or pigment, an electron-donating dye precursor, an electron-accepting compound, a polymerizable polymer, etc. Power What is being studied can be used.
- the coloring component of the laser thermal transfer recording material is not particularly limited, but pigment types include titanium dioxide, carbon black, zinc oxide, Prussian blue, sulfide power domum, iron oxide and lead, zinc, Inorganic pigments such as chromates of rhodium and calcium, azo-type, thioindigo-type, anthraquinone-type, anthanthrone-type, trifendioxy Organic pigments such as sun, phthalocyanine, and quinacridone are listed.
- the dye include acid dyes, direct dyes, disperse dyes, oil-soluble dyes, metal-containing oil-soluble dyes, and the like.
- the coloring component of the laser thermosensitive recording material is not particularly limited, but those conventionally used for thermosensitive recording materials can be used.
- an electron donating dye precursor that is, a substance that develops color by donating electrons or accepting protons such as acid, such as ratatones, ratatams, sultones, spiropyrans, esters, amides, etc.
- a compound having a partial skeleton that can be ring-opened or cleaved upon contact with an electron-accepting compound is used.
- triphenylmethane compounds for example, triphenylmethane compounds, fluorane compounds, phenothiazine compounds, indolylphthalide compounds, leucooramine compounds, rhodamine ratatam compounds, triphenylmethane compounds, triazene compounds, spiropyrans Compounds, fluorene compounds, and the like.
- the electron-accepting compound include phenolic compounds, organic acids or metal salts thereof, and oxybenzoic acid esters.
- the near-infrared absorber of the present invention is used for a near-infrared absorption filter, a heat ray blocking material, or an agricultural film
- the near-infrared absorber is mixed with plastic resin and optionally an organic solvent to obtain an injection molding method or the like.
- plastic resin and optionally an organic solvent to obtain an injection molding method or the like.
- Various studies have been made in the past, such as a casting method. It can be produced by forming a plate or a film by a method described above.
- the resin that can be used is not particularly limited. Examples thereof include acrylic resin, polyethylene resin, vinyl chloride resin, salt vinylidene resin, and polycarbonate resin.
- the solvent to be used is not particularly limited, and examples thereof include hydrocarbons, halogenated hydrocarbons, ethers, ketones, alcohols, and closed sorbs. Particularly, alcohols such as methanol, ethanol, and propanol are used. Cellosolve solvents such as methyl solvent and cetyl solvent are preferred.
- the near-infrared absorber of the present invention is used for an optical recording material such as an optical card
- a solution obtained by dissolving the near-infrared absorber in an organic solvent is spin-coated on a substrate such as glass or plastic resin.
- Conventional force such as method It can be produced by coating by variously studied methods.
- the resin usable for the substrate is not particularly limited, and examples thereof include acrylic resin, polyethylene resin, vinyl chloride resin, salt vinylidene resin, and polycarbonate resin. It is.
- the solvent used for spin coating is not particularly limited, but includes, for example, hydrocarbons, halogenated hydrocarbons, ethers, ketones, alcohols, cellosolves, especially alcohols such as methanol, ethanol, and propanol. Solvents and cellosolve solvents such as methyl cellosolve and ethyl acetate mouthsolve are preferred.
- the mixture was charged with p-toluenesulfonic acid monohydrate 6.OOg at 25-30 ° C with stirring. After stirring for 1 hour at the same temperature, the temperature was raised to 50 to 55 ° C, and 68 ml of ethyl acetate was added dropwise. After stirring at the same temperature for 1 hour, the mixture was cooled to 15 to 20 ° C. The crystals were separated by filtration, washed with ethyl acetate, and dried to obtain 16.21 g of ⁇ -form crystal modification of the compound of formula (I).
- the solubilities of these crystals in methanol and ethanol were each 15% or more.
- the elemental analysis value, melting point (decomposition temperature), absorption maximum wavelength max) and gram absorption coefficient ( ⁇ g) of this crystal were as follows.
- Fig. 1 shows the powder X-ray diffraction pattern of the crystals obtained.
- Figure 5 shows the IR ⁇ vector of the obtained crystal.
- Figure 9 shows the TG-DTA (thermogravimetric differential thermal analysis) diagram of the crystals obtained.
- the TG weight loss below 150 ° C was 0.06%.
- the exothermic peak temperatures of DTA were 208.3 ° C and 211.0 ° C (temperature increase rate: 5.0 ° CZ min).
- Example 2 Production of
- the solubility of these crystals in methanol and ethanol was 15% or more, respectively.
- the elemental analysis value, melting point (decomposition temperature), absorption maximum wavelength ( ⁇ max) and gram extinction coefficient ( ⁇ g) of this crystal were as follows.
- Figure 6 shows the IR ⁇ vector of the obtained crystal.
- Fig. 10 shows the TG-DTA (thermogravimetric-differential thermal analysis) diagram of the crystals obtained.
- the TG weight loss below 150 ° C was 1.23%.
- the exothermic peak temperatures of DTA were 194.3 ° C and 203.3 ° C (temperature increase rate: 5.0 ° CZ min).
- the mixture was charged with p-toluenesulfonic acid monohydrate 6. OOg at 25-30 ° C with stirring. After stirring at the same temperature for 1 hour, 165 ml of water was added dropwise. After stirring at the same temperature for 1 hour, the mixture was cooled to 15 to 20 ° C. The precipitated crystals were separated by filtration, washed with water and dried to obtain 18.04 g of the ⁇ -type crystal modification of the compound of formula (I).
- Fig. 3 shows the powder X-ray diffraction pattern of the crystals obtained.
- Fig. 7 shows the IR ⁇ vector of the obtained crystal.
- Figure 11 shows the TG-DTA (thermogravimetric differential thermal analysis) diagram of the crystals obtained.
- the TG weight loss below 150 ° C was 1.29%.
- the exothermic peak temperature of DTA was 207.1 ° C (heating rate: 5.0 ° CZ min).
- Example 4 Production of ⁇ -type crystal modification of non-solvated crystal of polymethine compound 10.00 g of ⁇ -type crystal modification obtained in Example 1 was added to 5 ml of methanol and 20 ml of acetone, and the temperature was raised to 60 ° C. did. After stirring and dissolving at 60 to 65 ° C for 30 minutes, 100 ml of ethyl acetate was added dropwise and stirred at the same temperature for 1 hour. After cooling to 15 to 20 ° C., the precipitated crystals were separated by filtration, washed with ethyl acetate, and dried to obtain 9.07 g of the ⁇ -type crystal modification of the compound of formula (I).
- the solubility of these crystals in methanol and ethanol was 15% or more, respectively.
- the elemental analysis value, melting point (decomposition temperature), absorption maximum wavelength ( ⁇ max) and gram extinction coefficient ( ⁇ g) of this crystal were as follows.
- the powder X-ray diffraction pattern of the obtained crystals is shown in FIG.
- the IR ⁇ vector of the obtained crystal is shown in FIG.
- Figure 12 shows the TG-DTA (thermogravimetric differential thermal analysis) diagram of the crystals obtained.
- the TG weight loss below 150 ° C was 1.31%.
- the exothermic peak temperature of DTA was 213.2 ° C (temperature increase rate: 5.0 ° CZ min).
- Example 4 10 ⁇ -type crystal modification in Example 4 10. Instead of Og,
- the solubility of these crystals in methanol and ethanol was 15% or more, respectively.
- the elemental analysis value, melting point (decomposition temperature), absorption maximum wavelength ( ⁇ max) and gram extinction coefficient ( ⁇ g) of this crystal were as follows.
- the powder X-ray diffraction diagram, IR spectrum, and TG-DTA (thermogravimetric differential thermal analysis) diagram of the obtained crystal were the same as those obtained in Example 4.
- Example 4 In the same manner as in Example 4 except that ⁇ -type crystal modification 10.Og obtained in Example 3 was used instead of ⁇ -type crystal modification 10.Og in Example 4, 9.50 g of ⁇ -type crystal modification of the compound was obtained.
- the solubility of these crystals in methanol and ethanol was 15% or more, respectively.
- the elemental analysis value, melting point (decomposition temperature), absorption maximum wavelength ( ⁇ max) and gram extinction coefficient ( ⁇ g) of this crystal were as follows.
- the powder X-ray diffraction diagram, IR spectrum, and TG-DTA (thermogravimetric differential thermal analysis) diagram of the obtained crystal were the same as those obtained in Example 4.
- the mixture was charged with 7.5 ml of methanol and p-toluenesulfonic acid monohydrate 6.OOg at 25-30 ° C. with stirring. After stirring at the same temperature for 1 hour, the temperature was raised to 50 to 55 ° C, and 150 ml of ethyl acetate was added dropwise. After stirring at the same temperature for 1 hour, the mixture was cooled to 15 to 20 ° C. The precipitated crystals were separated by filtration, washed with ethyl acetate, and dried to obtain 17.96 g of the ⁇ -type crystal modification of the compound of formula (I).
- the solubility of these crystals in methanol and ethanol was 15% or more, respectively.
- the elemental analysis value, melting point (decomposition temperature), absorption maximum wavelength ( ⁇ max) and gram extinction coefficient ( ⁇ g) of this crystal were as follows.
- the powder X-ray diffraction diagram, IR spectrum, and TG-DTA (thermogravimetric differential thermal analysis) diagram of the obtained crystal were the same as those obtained in Example 4.
- Example 8 Production of near-infrared absorber Delpet 80N as a noinder (Asahi Kasei Kogyo Co., Ltd .: acrylic resin): lOg and a-type crystal modification obtained in Example 1: 0.2 g of toluene Z methyl ethyl ketone Z methanol (by volume ratio) lZlZO. l) Prepare a solution dissolved in 90 g of mixed solvent, and apply it to a polyethylene terephthalate (PET) film with an average thickness of 5 m so that the thickness after drying with a wire bar is about 5 ⁇ m. A sample of a near infrared absorber was obtained.
- PET polyethylene terephthalate
- Laser light from a single-mode semiconductor laser (wavelength: 830 nm) was collected by a lens and placed so that the beam diameter was 10 m on the surface of the sample.
- the semiconductor laser was adjusted so that the laser power reaching the surface could be varied in the range of 50 to 200 mW, and the sample was irradiated with a single pulse with a pulse width of s.
- the irradiated sample was observed with an optical microscope, it was confirmed that a through-hole with a diameter of about 10 m was formed when the laser power reaching the surface was 50 mW.
- Example 8 instead of the oc-type crystal modification in Example 8, the ⁇ -type crystal modification obtained in Example 2 (Example 9), the ⁇ -type crystal modification obtained in Example 3 (Example 10), obtained in Example 7 A sample of a near-infrared absorber was obtained in the same manner as in Example 8 except that each of the obtained ⁇ -type crystal modifications (Example 11) was used.
- a laser beam irradiation test was conducted in the same manner as in Example 8. In all three types of samples, when the laser power reaching the surface was 50 mW, a through-hole with a diameter of about 10 m was formed. I was able to confirm.
- FIG. 13 shows a powder X-ray diffraction pattern of the resulting composite.
- Fig. 14 shows the TG-DTA (Thermogravimetric Differential Thermal Analysis) measurement diagram of the obtained compound.
- the TG loss below 150 ° C was about 3.7%.
- the exothermic peak temperatures of DTA were 170.9 ° C and 193.4 ° C (heating rate: 5.0 ° CZ min).
- Each polymethine compound shown in Table 1 below was dissolved in ethanol Z-methylethylketone (volume ratio of 1 ZD mixed solution to 5% (w / v) and left indoors (at room temperature) for 10 days.
- the absorbance (gram extinction coefficient) of the solution before and after standing was measured, and the decomposition rate was calculated by the following formula.
- Degradation rate (%) [(Absorbance immediately after solution adjustment-Absorbance after standing for 10 days) ⁇ Absorbance immediately after solution adjustment)] X 100
- the non-solvated crystal of the polymethine compound of the present invention is easy to handle because of its high stability in solution, and is highly sensitive to general-purpose semiconductor lasers because of its high gram extinction coefficient. Further, since it has high solubility in alcohol solvents, it is extremely useful in the fields of recording materials and plate making materials using laser light.
- FIG. 1 is a powder X-ray diffraction pattern of an ⁇ -type crystal modification of a non-solvated crystal of a polymethine compound of Example 1.
- FIG. 2 is a powder X-ray diffraction pattern of a ⁇ -type crystal modification of a non-solvated crystal of the polymethine compound of Example 2.
- FIG. 3 is a powder X-ray diffraction pattern of a ⁇ -type crystal modification of a non-solvated crystal of the polymethine compound of Example 3.
- FIG. 4 is a powder X-ray diffraction pattern of a ⁇ -type crystal modification of a non-solvated crystal of a polymethine compound of Example 4.
- FIG. 5 is an IR absorption vector of an oc-type crystal modification of a non-solvated crystal of the polymethine compound of Example 1.
- FIG. 6 is an IR absorption vector of ⁇ -type crystal modification of the unsolvated crystal of the polymethine compound of Example 2.
- FIG. 7 is an IR absorption vector for the ⁇ -type crystal modification of the unsolvated crystal of the polymethine compound of Example 3.
- FIG. 8 is an IR absorption vector of a ⁇ -type crystal modification of a non-solvated crystal of the polymethine compound of Example 4.
- FIG. 9 is a TG-DT A (thermogravimetric differential thermal analysis) diagram of the oc-type crystal modification of the unsolvated crystal of the polymethine compound of Example 1.
- FIG. 10 is a TG-DTA (thermogravimetric differential thermal analysis) diagram of the ⁇ -type crystal modification of the unsolvated crystal of the polymethine compound of Example 2.
- FIG. 11 is a TG D ⁇ (thermogravimetric differential thermal analysis) diagram of the ⁇ -type crystal modification of the unsolvated crystal of the polymethine compound of Example 3.
- FIG. 12 TG-D of ⁇ -type crystal modification of unsolvated crystal of polymethine compound of Example 4
- FIG. 2 is a TA (thermogravimetric differential thermal analysis) diagram.
- FIG. 13 is a powder X-ray diffraction pattern of the compound of Comparative Example 1.
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Description
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Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05814269A EP1826245A1 (en) | 2004-12-15 | 2005-12-09 | Nonsolvated crystals of polymethine compound, process for production thereof and use of the crystals |
| JP2006548802A JP4790631B2 (ja) | 2004-12-15 | 2005-12-09 | ポリメチン系化合物の非溶媒和型結晶、その製造方法及び用途 |
| US11/793,352 US20080091033A1 (en) | 2004-12-15 | 2005-12-09 | Nonsolvate-Form Crystal of Polymethine Compound, Process for Producing the Same and Use Thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004362825 | 2004-12-15 | ||
| JP2004-362825 | 2004-12-15 |
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| WO2006064731A1 true WO2006064731A1 (ja) | 2006-06-22 |
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| PCT/JP2005/022653 Ceased WO2006064731A1 (ja) | 2004-12-15 | 2005-12-09 | ポリメチン系化合物の非溶媒和型結晶、その製造方法及び用途 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20080091033A1 (ja) |
| EP (1) | EP1826245A1 (ja) |
| JP (1) | JP4790631B2 (ja) |
| KR (1) | KR20070087051A (ja) |
| WO (1) | WO2006064731A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016190162A1 (ja) * | 2015-05-22 | 2016-12-01 | 富士フイルム株式会社 | 着色組成物、膜、カラーフィルタ、パターン形成方法、カラーフィルタの製造方法、固体撮像素子および赤外線センサ |
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| WO2018155173A1 (ja) * | 2017-02-27 | 2018-08-30 | 富士フイルム株式会社 | 樹脂組成物、膜、赤外線カットフィルタ及びその製造方法、固体撮像素子、赤外線センサ、並びに、カメラモジュール |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001133966A (ja) * | 1999-11-08 | 2001-05-18 | Fuji Photo Film Co Ltd | ネガ型画像記録材料 |
| JP2004219650A (ja) * | 2003-01-14 | 2004-08-05 | Fuji Photo Film Co Ltd | 平版印刷版用原版 |
| WO2004113453A1 (ja) * | 2003-06-18 | 2004-12-29 | Yamamoto Chemicals, Inc. | 結晶性非溶媒和型ポリメチン系化合物 |
| WO2005000814A1 (ja) * | 2003-06-25 | 2005-01-06 | Yamamoto Chemicals, Inc. | ポリメチン系エーテル化合物 |
-
2005
- 2005-12-09 KR KR1020077015976A patent/KR20070087051A/ko not_active Withdrawn
- 2005-12-09 EP EP05814269A patent/EP1826245A1/en not_active Withdrawn
- 2005-12-09 US US11/793,352 patent/US20080091033A1/en not_active Abandoned
- 2005-12-09 WO PCT/JP2005/022653 patent/WO2006064731A1/ja not_active Ceased
- 2005-12-09 JP JP2006548802A patent/JP4790631B2/ja not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001133966A (ja) * | 1999-11-08 | 2001-05-18 | Fuji Photo Film Co Ltd | ネガ型画像記録材料 |
| JP2004219650A (ja) * | 2003-01-14 | 2004-08-05 | Fuji Photo Film Co Ltd | 平版印刷版用原版 |
| WO2004113453A1 (ja) * | 2003-06-18 | 2004-12-29 | Yamamoto Chemicals, Inc. | 結晶性非溶媒和型ポリメチン系化合物 |
| WO2005000814A1 (ja) * | 2003-06-25 | 2005-01-06 | Yamamoto Chemicals, Inc. | ポリメチン系エーテル化合物 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016190162A1 (ja) * | 2015-05-22 | 2016-12-01 | 富士フイルム株式会社 | 着色組成物、膜、カラーフィルタ、パターン形成方法、カラーフィルタの製造方法、固体撮像素子および赤外線センサ |
| JPWO2016190162A1 (ja) * | 2015-05-22 | 2018-04-12 | 富士フイルム株式会社 | 着色組成物、膜、カラーフィルタ、パターン形成方法、カラーフィルタの製造方法、固体撮像素子および赤外線センサ |
| US10829641B2 (en) | 2015-05-22 | 2020-11-10 | Fujifilm Corporation | Coloring composition, film, color filter, pattern forming method, method for manufacturing color filter, solid image pickup element, and infrared sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1826245A1 (en) | 2007-08-29 |
| JP4790631B2 (ja) | 2011-10-12 |
| US20080091033A1 (en) | 2008-04-17 |
| JPWO2006064731A1 (ja) | 2008-06-12 |
| KR20070087051A (ko) | 2007-08-27 |
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