WO2006035554A1 - 複素環化合物及び光学記録材料 - Google Patents
複素環化合物及び光学記録材料 Download PDFInfo
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- WO2006035554A1 WO2006035554A1 PCT/JP2005/015054 JP2005015054W WO2006035554A1 WO 2006035554 A1 WO2006035554 A1 WO 2006035554A1 JP 2005015054 W JP2005015054 W JP 2005015054W WO 2006035554 A1 WO2006035554 A1 WO 2006035554A1
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- C07D417/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
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- C09B23/10—The polymethine chain containing an even number of >CH- groups
- C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups
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- B41M5/46—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography characterised by the light-to-heat converting means; characterised by the heat or radiation filtering or absorbing means or layers
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Definitions
- the present invention relates to a novel heterocyclic compound and an optical recording material containing the heterocyclic compound.
- the heterocyclic compound is suitable not only as an optical recording agent but also as a light absorber, photosensitizer, ultraviolet absorber and the like.
- Optical recording media are widely used because of their excellent characteristics such as large recording capacity and recording and reproduction performed in a non-contact manner.
- write-once optical discs such as WORM, CD-R, and DVD-R
- the laser is focused on a very small area of the optical recording layer, and the recording is performed by changing the properties of the optical recording layer. Reproduction is performed by the difference.
- the wavelength of the semiconductor laser used for recording and reproduction is CD-ie «750 to 830 nnrefc, and DVD-R is 620 to 690 nm.
- Optical discs using short-wavelength lasers are being studied. For example, optical discs using 380 to 420 nm as recording light are being studied.
- Indole derivatives have been studied as optical recording materials in the optical recording layers of these short-wavelength optical recording media.
- Patent Document 1 reports a monomethine cyanine compound
- Patent Document 2 reports an indole compound.
- Optical recording materials are required to have a maximum absorption wavelength ( ⁇ max) suitable for recording light and reproduction light.
- ⁇ max maximum absorption wavelength
- a material having a large absorption intensity is superior in terms of recording sensitivity and recording speed.
- the above-mentioned compounds are not necessarily compatible with short wavelength lasers in their absorption wavelength characteristics.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-237233
- Patent Document 2 Pamphlet of International Publication No. 01Z44374
- an object of the present invention is to provide a compound that matches an optical recording medium that uses recording light and reproduction light having a short wavelength, and an optical recording material containing the compound.
- a heterocyclic compound having a specific structure is 380 to
- the present invention is suitable for an optical recording material used for an optical recording layer of an optical recording medium using a 420 nm laser beam, and have reached the present invention.
- the present invention relates to a heterocyclic compound represented by the following general formula (I) and the heterocyclic ring used for the optical recording layer of an optical recording medium having an optical recording layer formed on a substrate.
- An optical recording material comprising the compound is provided.
- ring A is an alkyl group having 1 to 8 carbon atoms, a halogen-substituted alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, or a halogen-substituted alkoxy group having 1 to 8 carbon atoms.
- X represents CR a R b , NY, 0, S or Se atom
- R a and R b may combine to form a 3- to 6-membered ring
- Y represents a hydrogen atom or an organic group having 1 to 30 carbon atoms
- R 1 and R 2 are each independently a hydrogen atom, a halogen group, a cyan group
- each of R 3 and R 4 independently represents a hydrocarbon group having 1 to 4 carbon atoms or includes multiple bonds when connected.
- Y 1 represents a hydrogen atom, a group represented by the number 1 to 3 0 organic group or the following general formula carbons (II), an - represents a Q value of Anion, q represents 1 or 2, p represents a coefficient to maintain neutral electric charge).
- R 5 to R 13 each independently represents a hydrogen atom or a halogen atom, or a methylene group in the chain may be substituted with 1—0 or —CO 1.
- M is Fe, Co, Ni, Ti, Cu, Z ⁇ , Zr, Cr, Mo, Os, Mn, Ru, Sn
- Pd Z represents a direct bond or an alkylene group having 1 to 8 carbon atoms
- the methylene group in the alkylene group is —O—, —S—, one CO—, —COO, 1 OCO—, 1 S0 2 1, NH, 1 CONH—, 1 NHCO—, —N ⁇ CH— or 1 CH ⁇ CH 2 may be substituted.
- examples of the alkyl group having 1 to 8 carbon atoms which is a substituent of the benzene ring or naphthalene ring represented by A include methyl, ethyl, propyl, isopropyl, , Sec-butyl, tert-butyl, isobutyl, amyl, isoamyl, tertamyl, hexyl, cyclohexyl, cyclohexylmethyl, cyclohexylethyl, heptyl, isoheptyl, tertiary heptyl, n-octyl, isooctyl , Tertiary octyl, 2-ethylhexyl and the like.
- halogen-substituted alkyl group having 1 to 8 carbon atoms examples include chloromethyl, dichloromethyl, trichloromethyl, bromomethyl, dibromomethyl, tribromomethyl, fluoromethyl, difluoromethyl, trifluoromethyl, 2, 2, 2— Trifluoroethyl, perfluoroethyl, perfluoropropyl, perfluorobutyl and the like can be mentioned.
- alkoxy group having 1 to 8 carbon atoms as the substituent examples include methoxy, ethoxy, propoxy, isopropoxy, butoxy, sec-butoxy, tert-butoxy, hexenoreoxy, octyloxy and the like.
- Examples of the halogen-substituted alkyl group having 1 to 8 carbon atoms as the substituent include chloromethyloxy, dichloromethyloxy, trichloromethyloxy, bromomethyloxy, dibromomethyloxy, tribromomethyloxy, Examples include fluoromethyloxy, difluoromethyloxy, trifluoromethyloxy, 2, 2, 2-trifluoroethenoreoxy, perfluoroenoretinooxy, perfluoronoleoxypropinoreoxy, perfluorobutyloxy, and the like.
- a sulfo group or sulfi group as the above substituents include methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, tert-butyl, isobutyl, amyl, isamyl, tert-amyl, hexyl, cyclohexane Hexyl, cyclohexylmethyl, 2-cyclohexylethyl, heptinole, isoheptinole, tertiary heptinole, n-octinole, isooctinole, tertiary octinole, 2-ethylhexyl, nor, isoniel, decyl, dodecyl Alkyl group such as butyl, 1-methylethene 1-yl, propene 1-yl, propene 2-yl, propen
- Examples of the alkyl group having 1 to 8 carbon atoms contained in the alkylamino group or dialkylamino group as the substituent include the above-described alkyl groups having 1 to 8 carbon atoms.
- Examples of the acyl group constituting the amide group having 1 to 8 carbon atoms, which is the above substituent include acetyl, propionyl, otatanyl, atalyloyl, methacryloyl, benzoyl and the like.
- Examples of the halogen group as the substituent include fluorine, chlorine, bromine, and fluorine.
- examples of the hydrocarbon group having 1 to 12 carbon atoms represented by R a and R b include a hydrocarbon group having 1 to 12 carbon atoms that the sulfonyl group has, and R a And R b are linked to form a 3- to 6-membered ring such as cyclopropane-1,1-diyl, cyclobutane-1,1 diyl, 2,4 dimethylcyclobutane 1,1 diyl, 3 dimethylcyclobutane , 1-diyl, cyclopentane-1,1-diyl, cyclohexane-1,1-diyl.
- the organic group having 1 to 30 carbon atoms represented by Y is not particularly limited.
- Alkylaryl groups such as benzyl, phenethyl, 2-phenylpropane-2-yl, diphenylmethyl, triphenylmethyl, styryl, cinnamyl and the like, and their hydrocarbon groups Interrupted by an ether bond and a Z or thioether bond, for example, 2-methoxyethyl, 3-methoxypropyl, 4-methoxybutyl, 2-butoxychetyl, methoxyethoxyethyl, methoxyethoxyethoxyethyl, 3-methoxybutyl, 2 —Phenoxychetyl, 2-methylthioethyl, 2-phenylthioethyl, and these groups may be substituted with alkoxy groups, alkenyl groups, nitro groups, cyano groups, halogen atoms, etc. Yo ...
- examples of the alkyl group having 1 to 4 carbon atoms represented by R 1 and R 2 include methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, tert-butyl, and isoptil.
- examples of the aralkyl group having 7 to 18 carbon atoms represented by R 1 and R 2 include benzyl, phenethyl, 2-phenylpropane-2-yl, styryl, cinnamyl, diphenylmethyl, triphenylmethyl and the like. Can be mentioned.
- Alkyl of 1 to 4 carbon atoms represented by R 3 and R 4 examples include groups exemplified by R 1 and R 2 , and examples of the heterocyclic ring that does not include a multiple bond formed by connecting R 3 and R 4 include a pyrrolidine ring, an imidazolidine ring, a virazolidine ring, Examples include thiazolidine ring, isothiazolidine ring, oxazolidine ring, isoxazolidine ring, piperidine ring, piperazine ring, morpholine ring and the like.
- examples of the organic group having 1 to 30 carbon atoms represented by Y 1 include the groups exemplified for Y.
- Examples include acid-on and naphthalene disulfonic acid-on.
- quencher ions that have the function of de-exciting (ententing) active molecules in the excited state, and carboxyl groups such as carboxyl groups, phosphonic acid groups, and sulfonic acid groups on the cyclopentagel ring.
- a metacomposite compound such as Huekousen or Luteocene having a phenotype can also be used as necessary.
- quencher-on examples include those represented by the following general formula (A) or (B), JP-A-60-234892, JP-A-5-43814, JP-A-6- 23902
- R 1 4 and R 1 5 are each independently a halogen atom, an alkyl group having 1 to 8 carbon atoms, Ariru group having a carbon number of 6 to 3 0 Or — S 0 2 — G group, G represents an alkyl group, an aryl group optionally substituted with a halogen atom, a diallamino group, a dialylamino group, a piperidino group or a morpholino group, and a and b are each Represents 0 to 4.
- R 16 , R 17 , R 18 and R ig each independently represent an alkyl group, an alkylphenyl group, an alkoxyphenyl group or a halogenated phenyl group. .
- the alkyl group having 1 to 4 carbon atoms represented by R 5 to R 13 may be methyl or ethyl.
- These alkyl groups substituted with a halogen atom include chloromethyl, dichloromethyl, trichloromethyl, bromomethyl, dibromomethyl, tribromomethyl, fluoromethyl, difluoromethyl, trifluoromethyl, 2, 2, 2-trifluoro.
- Examples include those in which the methylene group in the chain is substituted with —O, such as methoxy, ethoxy, propoxy, isopropoxy, Butoxy, sec-butoxy, tert-butoxy, 2-methoxyethoxy, 2-methoxyethyl, chloromethyloxy, dichloromethyloxy, trichloromethyloxy, bromomethyloxy, dibutamethyloxy, tribromomethyloxy Xyl, fluoromethyloxy, difluoromethyloxy, Examples include trifluoromethyloxy, 2, 2, 2-trifluoroethyloxy, perfluoroethyloxy, perfluoropropyloxy, perfluorobutyloxy, and the like.
- Substituted with 1 CO include: acetyl, propiol, monochloroacetyl, dichloroacetyl, trichloroacetyl, trifluoroacetyl, propane-2-one-1-yl, butan-2-one-1 —Ill.
- the alkylene group having 1 to 8 carbon atoms represented by Z includes methylene, ethylene, propylene, methylolethylene, butylene, 1-methylpropylene, 2-methylpropylene, 1,2 dimethylpropylene, 1,3 dimethylpropylene, 1-methylbutyl Tylene, 2-methylbutylene, 3-methylbutylene, 4-methylbutylene, 2,4 dimethylbutylene, 1,3 dimethylbutylene, pentylene, hexylene, heptylene, octylene, ethane 1, 1-diyl, propane 1, 2, 2 —Zyl, Cyclopropane 1,1,1—Zyl, Cyclopropane 1,1,2-Diyl, Cyclobutane 1,1,1-Diyl, Cyclobutane 1,
- heterocyclic compounds represented by the above general formula (I) those represented by the following general formula ( ⁇ ) are optical components using a laser beam having a low manufacturing cost and optical characteristics of 380 420 nm. It is preferable because it is particularly suitable for an optical recording material used for an optical recording layer of a recording medium.
- E is an alkyl group having 18 carbon atoms, a halogen-substituted alkyl group having 18 carbon atoms, an alkoxy group having 18 carbon atoms, a halogen-substituted alkoxy group having 1 to 8 carbon atoms, a cyano group, a nitro group, A sulfonyl group having a hydrocarbon group having 1 to 12 carbon atoms, a sulfinyl group having a hydrocarbon group having 1 to 12 carbon atoms, an alkylamino group having an alkyl group having 18 carbon atoms, and an alkyl group having 18 carbon atoms.
- R 1 represents a hydrogen atom, a halogen group, a cyano group, an alkyl group having 1 to 4 carbon atoms, or an aralkyl group having 1 to 8 carbon atoms.
- R ′ 3 and R ′ 4 each independently represent a hydrocarbon group having 1 to 4 carbon atoms or a multiple bond connected to each other.
- Y ′ 1 represents a hydrogen atom, an organic group having 130 carbon atoms, or a group represented by the following general formula ( ⁇ ), and n represents an integer of 0 4 ,
- An q ⁇ Q and p are the same as in the general formula (I) above.)
- R ′ 5 to R ′ 13 each independently represents the number of carbon atoms that may be substituted with a hydrogen atom or a halogen atom, and the methylene group in the chain may be substituted with O— or CO 2.
- Z ′ represents a direct bond or an alkylene group having 1 to 8 carbon atoms.
- an alkyl group having 1 to 8 carbon atoms represented by E a halogen-substituted alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, or 1 to 8 carbon atoms
- Examples of the alkylamino group having a group, the dialkylamino group having an alkyl group having 1 to 8 carbon atoms, and the amide group having 1 to 8 carbon atoms include the groups exemplified as the substituent of A in the above general formula (I).
- Examples of the hydrocarbon group having 1 to 12 carbon atoms that may be linked to form a 3- to 6-membered ring represented by R ′ a and R ′ b include R a and R b in the above general formula (I) And exemplified groups.
- Examples of the alkyl group having 1 to 4 carbon atoms and the aralkyl group having 7 to 18 carbon atoms represented by R ′′ include groups exemplified by R 1 in the general formula (I).
- R ′ 3 and R ′ as a group forming a carbon hydrocarbon radical or linked to heterocycle having 1 to 4 carbon atoms represented by 4, R 3 and illustration of groups of the general formula (I) can be mentioned.
- Y 'in 1 'If 1 is an organic group having 1 to 30 carbon atoms
- Y' as the organic group having 1 to 30 carbon atoms represented, examples of groups in Y of the general formula (I).
- Y 1 it is easy to introduce the radical, without significantly affecting the optical properties, that the manufacturing cost of the heterocyclic compound is low is preferred.
- Y '1 carbon atoms, which may be interrupted by O atoms 1 There are 12 hydrocarbon groups.
- a hydrogen atom represented by R ′ 5 to R ′ 13 or a halogen atom which may be substituted with a methylene group in the chain is O 2 or 1 CO 2.
- the alkyl group having 1 to 4 carbon atoms include the groups exemplified by R 5 to R 13 in the general formula (II), and the number of carbon atoms represented by Z ′ is 1 to As the alkylene group of 8, methylene, ethylene, propylene, methinoethylene, butylene, 1 methylpropylene, 2-methylpropylene, ethane-1,1,2-diyl, propane-1,2,2-diyl, pentylene, hexylene , Heptylene, Otachilen etc. are mentioned.
- the heterocyclic compounds in which Y ′ 1 is a group represented by the above general formula () ⁇ ) have a particularly excellent light resistance, Particularly suitable for optical recording materials.
- heterocyclic compound of the present invention include the following compounds Nos. 1 to 66.
- cyanine cations are used with the cation omitted.
- the method for producing the heterocyclic compound of the present invention represented by the above general formula (I) is not particularly limited, and can be obtained by a method utilizing a known general reaction.
- the heterocyclic compound represented by the above general formula ( ⁇ ) is obtained by reacting a 2-methyl heterocyclic derivative and a formamide derivative with a reagent such as phosphorus oxychloride by the synthetic route shown in [Chemical Formula 13] below. It can be obtained by key-on exchange if necessary.
- Y ' 1 reacts with NH of the indole ring.
- Y' iD (D is a halogen group such as chlorine, bromine, iodine; phenylsulfo-loxy, 4- It represents a senophoninoreoxy group such as methenolefe-noresnorephoninoreoxy, 4-clonal hoenorenorenoninoreoxy, etc.).
- the above-described heterocyclic compound of the present invention is suitable as an optical element for light in the range of 380 to 420 nm.
- the optical element is an element that exhibits a function by absorbing specific light, and specific examples include a light absorber, an optical recording agent, a photosensitizer, and an ultraviolet absorber.
- an optical recording agent is used for an optical recording layer in an optical recording medium such as an optical disk
- a light absorbing agent is a liquid crystal display (LCD), a plasma display panel (PDP), an electoluminescence display (ELD), a cathode.
- LCD liquid crystal display
- PDP plasma display panel
- ELD electoluminescence display
- cathode Used in optical filters for image display devices such as tube display devices (CRT), fluorescent display tubes, and field emission displays.
- Ultraviolet absorbers provide weather resistance to polymer compounds, synthetic resins, coating materials, paints, etc. Used to do.
- the heterocyclic compound of the present invention is particularly suitable as an optical recording agent for use in an optical recording material because of its optical properties.
- the optical recording material of the present invention is used for an optical recording layer of an optical recording medium having an optical recording layer formed on a substrate, and contains the heterocyclic compound of the present invention. And a mixture of the heterocyclic compound itself with an organic solvent and Z or various compounds described later.
- a method for forming an optical recording layer of an optical recording medium using the optical recording material of the present invention there are no particular restrictions.
- lower alcohols such as methanol and ethanol; ether alcohols such as methyl solvate, cetyl sorb, butyl sorb and butyl diglycol; acetone, methyl ketyl ketone, methyl isobutyl ketone, cyclohexanone, di Ketones such as acetone alcohol, esters such as ethyl acetate, butyl acetate, methoxyethyl acetate; acrylic acid esters such as ethyl acrylate and butyl acrylate, 2, 2, 2 trifluoroethanol, perfluoroethanol, 2, 2, 3, 3 -tetrafluoro-1 Fluorinated alcohols such as propanol and perfluoropropanol; hydrocarbons such as benzene, toluene and xylene; chlorine such as methylene dichloride
- the thickness of the optical recording layer is usually from 0.001 to 10 ⁇ m, and preferably from 0.01 to 5 ⁇ m.
- the amount used in the optical recording layer is preferably 25 to L00% by mass.
- the optical recording material of the present invention uses the heterocyclic compound of the present invention on the basis of the solid content contained in the optical recording material of the present invention. ⁇ : It is preferable to contain LOO mass%.
- the optical recording layer may contain, if necessary, a cyanine compound, an azo compound, an azomethine compound, Phthalocyanine compounds, oxonol compounds, squarylium compounds, styryl compounds, carbostyryl compounds, naphthyridine compounds, porphyrin compounds, porphycene compounds, anthraquinone compounds, formazan metal complexes, pyromethene metal complexes, fullerene dye compounds
- compounds used in optical recording layers such as: surfactants that may contain rosins such as polyethylene, polyester, polystyrene, polycarbonate; antistatic agents; lubricants; flame retardants; radical scavengers such as hindered amines; Pit formation accelerators such as fuekousen derivatives; dispersants; antioxidants; Even if it contains a crosslinking agent; Good.
- the optical recording layer may contain an aromatic-troso compound, an aminium compound, an iminium compound, a bisiminium compound, a transition metal chelating compound, etc. as a quencher such as singlet oxygen.
- these various compounds are preferably used in the range of 0 to 75% by mass in the optical recording layer.
- the content of these various compounds in the optical recording material of the present invention is preferably 0 to 75% by mass based on the solid content contained in the optical recording material of the present invention.
- the material of the substrate on which such an optical recording layer is provided is not particularly limited as long as it is substantially transparent to writing (recording) light and reading (reproducing) light.
- a resin such as tilmetatalylate, polyethylene terephthalate or polycarbonate, glass or the like can be used.
- the shape can be any shape such as a tape, drum, belt, disk, etc., depending on the application.
- a reflective film can be formed on the optical recording layer by vapor deposition or sputtering using gold, silver, aluminum, copper or the like, or acrylic resin or ultraviolet curable resin. It is also possible to form a protective layer.
- hexafluorophosphorus salts of Compound Nos. 1, 2, 6, 8, 15, 16, 17, 18, 19, 22 2, 23, 31 were synthesized respectively ( Examples 1-1 to 1-12).
- Tables 1 and 2 show the yield and analysis results for the obtained compounds.
- the obtained compound was confirmed to be the target product from the results of IR and H 1 -NMR shown in Tables 1 and 2.
- the optical properties ( ⁇ max and ⁇ ) were 9 22 X 10—Measured with a 6 mol liter chloroform solution.
- the melting point is the starting temperature of the DTA melting point absorption peak of differential thermal analysis at a heating rate of 10 ° CZ.
- a reaction flask was charged with 30 ml of black mouth form and 103 mmol of formamide derivative, After adding 15 mmol of phosphorus oxychloride at 4 ° C, the mixture was stirred at 4 ° C for 1 hour. 2-Methyl heterocyclic derivative 12.7 mmol was added at 4 ° C, and then the mixture was heated to 70 ° C and stirred for 2 hours.
- This reaction solution was poured into a solution obtained by dissolving 14.0 mmol of potassium hexafluorophosphate in 200 ml of water, 200 ml of black mouth form was added thereto and stirred well, and then the aqueous layer was discarded.
- the obtained organic layer was dried over anhydrous sodium sulfate, and then the solvent was removed to obtain a residue.
- the obtained residue was crystallized with toluene, and the precipitated crude crystals were recrystallized using a mixed solvent of acetone and toluene to obtain the desired heterocyclic compound.
- the heterocyclic compound obtained in Example 1 above (see Table 3) on a polycarbonate disk substrate having a diameter of 12 cm was prepared with a 2, 2, 3, 3-tetrafluoropropanol solution having a concentration of 1.0% by mass. It was applied by a spin coating method (2000 rpm, 60 seconds) to form an optical recording layer made of a heterocyclic compound to obtain an optical recording medium (Examples 2-1 to 2-6). Measurement of transmitted UV spectrum and reflected UV spectrum of incident angle 5 ° for these optical recording media Went. The results are shown in Table 3.
- the reflected light spectrum is related to the reproduction characteristics of the optical recording medium.
- the absorption spectrum of the reflected light is maximized. , The more preferred it is.
- the optical recording medium using the heterocyclic compound of the present invention was suitable for 405 nm laser light.
- the present invention it is possible to provide a compound that matches an optical recording medium using recording light and reproduction light having a short wavelength, and an optical recording material containing the compound.
Description
Claims
Priority Applications (4)
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EP05772652.3A EP1795525B1 (en) | 2004-09-27 | 2005-08-18 | Heterocyclic compounds and optical recording materials |
CN2005800327116A CN101031544B (zh) | 2004-09-27 | 2005-08-18 | 杂环化合物和光学记录材料 |
KR1020077009569A KR101189859B1 (ko) | 2004-09-27 | 2005-08-18 | 복소환 화합물 및 광학 기록재료 |
US11/661,116 US7683184B2 (en) | 2004-09-27 | 2005-08-18 | Heterocyclic compounds and optical recording materials |
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JP2004279314A JP4721682B2 (ja) | 2004-09-27 | 2004-09-27 | 複素環化合物及び光学記録材料 |
JP2004-279314 | 2004-09-27 |
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WO2006035554A1 true WO2006035554A1 (ja) | 2006-04-06 |
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US (1) | US7683184B2 (ja) |
EP (1) | EP1795525B1 (ja) |
JP (1) | JP4721682B2 (ja) |
KR (1) | KR101189859B1 (ja) |
CN (1) | CN101031544B (ja) |
TW (1) | TW200626548A (ja) |
WO (1) | WO2006035554A1 (ja) |
Cited By (5)
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WO2008105238A1 (ja) | 2007-02-28 | 2008-09-04 | Mitsubishi Kagaku Media Co., Ltd. | シアニン色素及び光学記録媒体 |
EP2003172A1 (en) * | 2006-03-31 | 2008-12-17 | Adeka Corporation | Indolium compound and optical recording material |
EP2019130A1 (en) * | 2006-05-08 | 2009-01-28 | Adeka Corporation | Novel compound, optical filter using the compound, and optical recording material |
EP2078615A1 (en) * | 2006-10-10 | 2009-07-15 | Adeka Corporation | Optical recording material |
US20110111162A1 (en) * | 2007-10-15 | 2011-05-12 | Adeka Corporation | Indolium compound and optical recording material containing the same |
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JP2007196661A (ja) * | 2005-12-27 | 2007-08-09 | Mitsubishi Kagaku Media Co Ltd | 光学記録媒体及びアザシアニン色素 |
JP4979248B2 (ja) * | 2006-03-14 | 2012-07-18 | 株式会社Adeka | 光学記録媒体 |
JP5086027B2 (ja) * | 2007-10-15 | 2012-11-28 | 株式会社Adeka | インドリウム化合物及び該化合物を用いた光学記録材料 |
JP5420257B2 (ja) * | 2008-02-27 | 2014-02-19 | 株式会社Adeka | シアニン化合物及び該化合物を用いた光学フィルター |
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EP2019130A1 (en) * | 2006-05-08 | 2009-01-28 | Adeka Corporation | Novel compound, optical filter using the compound, and optical recording material |
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Also Published As
Publication number | Publication date |
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EP1795525B1 (en) | 2014-01-01 |
KR20070058664A (ko) | 2007-06-08 |
CN101031544B (zh) | 2012-03-07 |
TWI359084B (ja) | 2012-03-01 |
US20070255058A1 (en) | 2007-11-01 |
TW200626548A (en) | 2006-08-01 |
CN101031544A (zh) | 2007-09-05 |
EP1795525A1 (en) | 2007-06-13 |
KR101189859B1 (ko) | 2012-10-10 |
EP1795525A4 (en) | 2010-06-09 |
US7683184B2 (en) | 2010-03-23 |
JP4721682B2 (ja) | 2011-07-13 |
JP2006089434A (ja) | 2006-04-06 |
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