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
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D217/00—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
  • C07D217/12—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with radicals, substituted by hetero atoms, attached to carbon atoms of the nitrogen-containing ring
  • C07D217/14—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with radicals, substituted by hetero atoms, attached to carbon atoms of the nitrogen-containing ring other than aralkyl radicals
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  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
  • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
  • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
  • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
  • C07D311/12—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 3 and unsubstituted in position 7
• • C—CHEMISTRY; METALLURGY
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  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
  • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D311/78—Ring systems having three or more relevant rings
  • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D455/00—Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine
  • C07D455/03—Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine containing quinolizine ring systems directly condensed with at least one six-membered carbocyclic ring, e.g. protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine
  • C07D455/04—Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine containing quinolizine ring systems directly condensed with at least one six-membered carbocyclic ring, e.g. protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine containing a quinolizine ring system condensed with only one six-membered carbocyclic ring, e.g. julolidine
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
  • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
  • C07D491/04—Ortho-condensed systems
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
  • C07F15/06—Cobalt compounds
  • C07F15/065—Cobalt compounds without a metal-carbon linkage
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  • 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
  • C09B23/0091—Methine or polymethine dyes, e.g. cyanine dyes having only one heterocyclic ring at one end of the methine chain, e.g. hemicyamines, hemioxonol
• • 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
  • C09B23/04—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
• • 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
  • C09B23/10—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
• • 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
  • C09B29/00—Monoazo dyes prepared by diazotising and coupling
  • C09B29/0025—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds
  • C09B29/0029—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds the heterocyclic ring containing only nitrogen as heteroatom
• • 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
  • C09B29/00—Monoazo dyes prepared by diazotising and coupling
  • C09B29/0025—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds
  • C09B29/0074—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds the heterocyclic ring containing nitrogen and sulfur as heteroatoms
• • 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
  • C09B29/00—Monoazo dyes prepared by diazotising and coupling
  • C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
  • C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
• • 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
  • C09B44/00—Azo dyes containing onium groups
  • C09B44/10—Azo dyes containing onium groups containing cyclammonium groups attached to an azo group by a carbon atom of the ring system
• • 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
  • C09B47/00—Porphines; Azaporphines
  • C09B47/04—Phthalocyanines abbreviation: Pc
  • C09B47/045—Special non-pigmentary uses, e.g. catalyst, photosensitisers of phthalocyanine dyes or pigments
• • 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
  • C09B47/00—Porphines; Azaporphines
  • C09B47/04—Phthalocyanines abbreviation: Pc
  • C09B47/08—Preparation from other phthalocyanine compounds, e.g. cobaltphthalocyanineamine complex
  • C09B47/085—Preparation from other phthalocyanine compounds, e.g. cobaltphthalocyanineamine complex substituting the central metal atom
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  • 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
  • C09B47/00—Porphines; Azaporphines
  • C09B47/04—Phthalocyanines abbreviation: Pc
  • C09B47/08—Preparation from other phthalocyanine compounds, e.g. cobaltphthalocyanineamine complex
  • C09B47/24—Obtaining compounds having —COOH or —SO3H radicals, or derivatives thereof, directly bound to the phthalocyanine radical
  • C09B47/26—Amide radicals
• • C—CHEMISTRY; METALLURGY
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  • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
  • C09K9/00—Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
  • C09K9/02—Organic tenebrescent materials
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
  • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
  • G11B7/0045—Recording
  • G11B7/00455—Recording involving reflectivity, absorption or colour changes
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
  • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
  • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
  • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
  • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
  • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
  • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
  • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
  • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
  • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
  • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
  • G11B7/247—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
  • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
  • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
  • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
  • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
  • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
  • G11B7/248—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes porphines; azaporphines, e.g. phthalocyanines
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
  • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
  • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
  • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
  • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
  • G11B7/249—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing organometallic compounds
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
  • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
  • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
  • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
  • G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
  • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
  • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
  • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/21—Circular sheet or circular blank

Definitions

• Optical data storage media containing an axially substituted Co-phthalocyanine in the information layer which can be written on with light
• the present invention relates to the use of axially substituted Co-
• Phthalocyanine as a light-absorbing compound in the light-writable information layer of write-once optical data carriers, optical data carriers and a process for their production.
• CD-R compact disk
• the light-absorbing connection of the information layer represents an essential component of the optical data carrier, to which correspondingly high and diverse requirements are made. It is not uncommon for the production of such compounds to be correspondingly complex (cf. WO-A-00/09522).
• the object of the invention is accordingly to provide an easy-to-synthesize phthalocyanine dye which meets the high requirements (such as light stability, favorable signal-to-noise ratio, high writing sensitivity, damage-free application to the substrate material, etc.) for use as a light-absorbing material
• the present invention therefore relates to an optical data carrier, comprising a preferably transparent substrate, possibly already coated with one or more reflection layers, on the surface of which an information layer which can be written on with light, optionally one or more reflection layers and optionally a protective layer or a further substrate or one Cover layer are applied, which can be written and read with infrared light, preferably laser light, particularly preferably light with a wavelength in the range of 750-800 nm, in particular 770-790 nm, the information layer containing a light-absorbing compound and optionally a binder, characterized in that at least one Co (III) phthalocyanine is used as the light-absorbing compound, the Co metal center carrying two axial substituents R 1 and R 2 which independently of one another represent CN, SCN, alkoxy or alkylthio.
• infrared light preferably laser light, particularly preferably light with a wavelength in the range of 750-800 nm, in particular 770-790 nm
• the information layer containing a light
• a Co-phthalocyanine is preferred as the light-absorbing compound
• CoPc stands for cobalt (III) phthalocyanine, where R 1 and R 2 are axial residues of cobalt, and the residues R 3 to R 6 correspond to substituents on the phthalocyanine, in which
• R 1 and R 2 independently of one another represent CN, SCN, alkoxy or alkylthio,
• R 3 , R 4 , R 5 and R 6 independently of one another for halogen, cyano, alkyl, aryl, alkylamino, dialkylamino, alkoxy, alkylthio, aryloxy, arylthio, SO 3 H, SO 2 NR 7 R 8 , CO 2 R 12 , CONR 7 R 8 , NH-COR 12 or a radical - (B) m -D stand,
• metallocenyl radical or metallocenylcarbonyl radical titanium, manganese, iron, ruthenium or osmium being suitable as the metal center
• X 1 and X 2 independently of one another represent NR'R ", OR” or SR ",
• Y 1 represents NR ', O or S
• Y 2 represents NR'
• n 1 to 10
• R 'and R "independently of one another are hydrogen, alkyl, cycloalkyl, aryl or
• w, x, y and z are, independently of one another, 0 to 4 and w + x + y + z ⁇ 12,
• R 7 and R 8 independently of one another for alkylamino, hydroxyalkylamino, dialkylamino, bishydroxyalkylamino, arylamino or R 7 and R 8 together with the N atom to which they are attached form a heterocyclic 5-, 6- or 7- form a membered ring, optionally with the participation of further heteroatoms, in particular from the group O, N and S, where NR R, in particular pyrrolidino, piperidino or morpholino,
• R 12 represents alkyl, aryl, hetaryl or hydrogen
• Kat + stands for a cation, in particular for an alkali application, ammonium cation,
• alkyl, alkoxy, aryl and heterocyclic radicals can optionally further radicals such as alkyl, halogen, hydroxy, hydroxyalkyl, amino, alkylamino, dialkylamino, nitro, cyano, CO-NH 2 , alkoxy, alkoxycarbonyl, morpholino, piperidino,
• the alkyl and alkoxy radicals can be saturated, unsaturated, straight-chain or branched, the alkyl radicals can be partially or perhalogenated, the alkyl and alkoxy radicals can be ethoxylated or propoxylated or silylated. Adjacent alkyl and / or alkoxy radicals on aryl or heterocyclic radicals can together form a three- or four-membered bridge.
• Preferred compounds of the formula (I) are those in which for the radicals R 1 to R 8 and R, R ⁇ R "and R 12 :
• alkyl are preferably C 1 -C 16 -alkyl, in particular C 1 -C 6 -alkyl, which are optionally substituted by halogen, such as chlorine, bromine, fluorine, hydroxy, cyano and / or CrC ⁇ -alkoxy;
• alkoxy preferably mean dC ⁇ -alkoxy, in particular d-C ⁇ -alkoxy, which are optionally substituted by halogen, such as chlorine, bromine, fluorine, hydroxy, cyano and / or C 1 -C 6 -alkyl;
• cycloalkyl preferably mean C 4 -C 8 cycloalkyl, in particular C 5 to C ö cycloalkyl, which may be replaced by halogen, such as chlorine, bromine or fluorine, hydroxy, cyano and / or CI-C ⁇ alkyl are substituted.
• alkenyl preferably denote C 6 -C 8 alkenyl, which are optionally substituted by halogen, such as chlorine, bromine or fluorine, hydroxy, cyano and / or Cj-C 6 alkyl, in particular alkenyl means allyl,
• heterocyclic radicals with 5- to 7-membered rings, which preferably contain heteroatoms from the group N, S and / or O and are optionally fused with aromatic rings or optionally carry further substituents, for example halogen, hydroxy , Cyano and / or alkyl, with particular preference being given to: pyridyl, furyl, thienyl, oxazolyl, thiazolyl, imidazolyl, quinolyl, benzoxazolyl, benzthiazolyl and benzimidazolyl,
• aryl preferably C ö -Cio--aryl, in particular phenyl or naphthyl, optionally substituted by halogen, such as F, Cl, hydroxy, CC 6 - alkyl, Ci-C ⁇ - alkoxy, NO 2 and / or CN are substituted.
• Co-phthalocyanines of the formula (I) are preferred in which
• R 3 , R 4 , R 5 and R 6 independently of one another for chlorine, fluorine, bromine, iodine, cyano,
• M represents an Mn or Fe
• w, x, y and z are independently 0 to 4 and w + x + y + z ⁇ 12,
• NR 7 R 8 for amino, methylamino, ethylamino, propylamino, isopropylamino, butylamino, isobutylamino, tert. Butylamino, pentylamino, tert.
• R 12 for hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert.-butyl, pentyl, tert.-amyl, phenyl, p-tert.-butylphenyl, p-methoxyphenyl, isopropylphenyl, p-trifluoromethylphenyl, Cyanophenyl, naphthyl, 4-pyridinyl, 2-pyridinyl, 2-quinolinyl, 2-pyrrolyl or 2-indolyl,
• alkyl, alkoxy, aryl and heterocyclic radicals optionally further radicals such as alkyl, halogen, hydroxy, hydroxyalkyl, amino, alkylamino, dialkylamino,
• alkyl, and / or alkoxy radicals can be saturated, unsaturated, straight-chain or branched, the alkyl radicals partially or may be perhalogenated, the alkyl and / or alkoxy radicals may be ethoxylated or propoxylated or silylated, adjacent alkyl and / or
• Alkoxy residues on aryl or heterocyclic residues can jointly form a three- or four-membered bridge.
• Redox systems in the context of this application include in particular those described in Angew. Chem. 1978, p. 927 and in Topics of Current Chemistry, Vol. 92, p. 1
• the invention also relates to Co (III) phthalocyanines, the co-metal center of which carries two axial substituents R 1 and R 2 , which independently of one another represent CN, SCN, alkoxy or alkylthio and whose phthalocyanine radical is substituted.
• Halogen represents chlorine, bromine or fluorine
• Alkoxy is Cj-Cg-alkoxy, which is optionally substituted, and a a
• R 1 , R 2 , R, R 8 , Kat + and CoPc have the above meaning.
• the invention also relates to a process for the preparation of compounds of the formula (Ic), which is characterized in that one with sulfonamide groups 7 R 7 R of the formula SO 2 NR R, where R and R have the abovementioned meaning, and optionally halogen - and / or alkoxy-substituted Co-phthalocyanine oxidized and reacted with KatCN, KatSCN, Katalkoxy or Katalkylthio.
• the preparation is preferably carried out starting from a co-phthalocyanine optionally substituted with halogen and / or alkoxy by sulfochlorination with chlorosulfonic acid and thionyl chloride at 50-130 ° C. and reaction with the corresponding amine to give the amide in water at pH 8-12 Room temperature up to 100 ° C.
• the subsequent introduction of the axial amine substituents is preferably carried out in a known manner under oxidative conditions, e.g. Chlorine or air, preferably air, in the case of air in the presence of excess KatCN, KatSCN, Katalkoxy or Katalkylthio
• the information layer which can be written on with light contains, as light-absorbing compounds, in addition to a Co (III) phthalocyanine compound as described above, in particular one of the formula I, additionally at least one other optionally substituted phthalocyanine in component b) below, with or without a central atom.
• a Co (III) phthalocyanine compound as described above in particular one of the formula I, additionally at least one other optionally substituted phthalocyanine in component b) below, with or without a central atom.
• one of the groups Si, Zn, Al, Cu, Pd, Pt, Au and Ag, in particular Cu and Pd can be used as the central atom.
• the invention therefore also relates to mixtures
• R 1 and R 2 which independently of one another represent CN, SCN, alkoxy or alkylthio and
• a phthalocyanine different from a), in particular from Co-free phthalocyanine for components a) and b), the preferred embodiments specified above are preferred.
• component b) are, for example, the sulfonamide-substituted Cu-phthalocyanines known from DE-A 19 925 712. Those of the formula II are particularly preferred
• CuPc stands for a copper phthalocyanine residue
• C 2 -C 6 alkylene such as ethylene, propylene, butylene, pentylene, hexylene,
• R 9 and R 10 independently of one another for hydrogen or in each case optionally substituted straight-chain or branched C 1 -C 6 -alkyl such as, for example
• R 1 and R 2 together with the N atom to which they are attached form a heterocyclic 5- or 6-ring which optionally contains a further hetero atom, for example S, N or O,
• x stands for 2.0 to 4.0
• v represents 0 to 1.5 and the sum of x and y is 2.0 to 4.0, preferably 2.5 to 4.0.
• Particularly preferred mixture components b) are those compounds of the formula (II) which correspond to the formula (Ha)
• CuPc means copper phthalocyanine.
• sulfonamide- or amido-substituted phthalocyanines as are known, for example, from EP-A-519 395.
• the proportion of the compounds of the formula (I) thereof is preferably 10 to 90% by weight.
• the information layer can also contain binders, wetting agents, stabilizers, thinners and sensitizers and other constituents.
• the substrates can be made of optically transparent plastics which, if necessary, have undergone a surface treatment.
• Preferred plastics are polycarbonates and polyacrylates, as well as polycycloolefins or polyolefins.
• the reflection layer can be made of any metal or metal alloy that is usually used for recordable optical data carriers. Suitable metals or metal alloys can be evaporated and sputtered and contain, for example, gold, silver, copper, aluminum and their alloys with one another or with other metals.
• the possible protective layer over the reflective layer can consist of UV-curing acrylates.
• a possible intermediate layer, which protects the reflection layer from oxidation, for example, may also be present.
• the invention further relates to a method for producing the optical data carrier according to the invention, which is characterized in that the information layer which can be written on with light is passed through onto a transparent substrate
• the coating of the substrate with the light-absorbing compound of the formula I is preferably carried out by spin coating or sputtering.
• the light-absorbing compound of the formula I is preferably dissolved with or without additives in a suitable solvent or solvent mixture, so that the compound of the formula I is 100 or less, for example 10 to 20 parts by weight to 100 parts by weight of solvent.
• the recordable information layer is then preferably metallized at reduced pressure by sputtering or vapor deposition (reflection layer) and possibly then provided with a protective lacquer (protective layer) or another substrate or a cover layer. Multi-layer arrangements with a partially transparent reflection layer are also possible.
• Solvents or solvent mixtures for coating the light-absorbing compounds of the formula I or their mixtures with additives and / or binders and other light-absorbing compounds are determined on the one hand by their solvency for the light-absorbing compound of the formula I and the other additives and on the other hand by a minimal influence on the Substrate selected. Suitable solvents that have a minor impact on the
• Have substrate are, for example, alcohols, ethers, hydrocarbons, halogenated hydrocarbons, alkoxy alcohols, ketones.
• solvents are methanol, ethanol, propanol, 2,2,3,3-tetrafluoropropanol, butanol, diacetone alcohol, benzyl alcohol, tetrachloroethane, dichloromethane, diethyl ether, dipropyl ether, dibutyl ether, methyl tert-butyl ether, methoxyethanol, ethoxyethanol , 1-
• Preferred solvents are hydrocarbons and alcohols because they have the least influence on the substrate.
• Suitable additives for the recordable information layer are stabilizers, wetting agents, binders, thinners and sensitizers.
• the light-absorbing compound should preferably be thermally changeable.
• the thermal change preferably takes place at a temperature ⁇ 600 ° C.
• Such a change can be, for example, a decomposition or chemical change in the chromophoric center of the light-absorbing compound.
• the optical data storage device can carry further layers such as metal layers, dielectric layers and protective layers.
• Metals and dielectric layers serve, among other things, to adjust the reflectivity and the Heat balance.
• metals can be gold, silver, aluminum and others.
• Dielectric layers are, for example, silicon dioxide and silicon nitride.
• Protective layers are, for example, photocurable lacquers, (pressure-sensitive) adhesive layers and protective films.
• Dirt sensitive adhesive layers mainly consist of acrylic glue.
• the optical data carrier has, for example, the following layer structure (cf.
• a transparent substrate (1) optionally a protective layer (2), an information layer (3), optionally a protective layer (4), optionally an adhesive layer (5), a cover layer (6).
• the structure of the optical data carrier can preferably:
• a transparent substrate (1) on the surface of which at least one information layer (3) which can be written on with light and which can be written on with light, preferably laser light, optionally a protective layer (4), optionally an adhesive layer (5), and a transparent cover layer (6) are applied.
• a transparent substrate (1) on the surface of which a protective layer (2), at least one information layer (3) which can be written on with light, preferably laser light, optionally an adhesive layer (5), and a transparent cover layer (6) are applied.
• a transparent substrate (1) on the surface of which there is optionally a protective layer (2), at least one information layer (3) that can be written on with light, preferably laser light, and optionally one Protective layer (4), optionally an adhesive layer (5), and a transparent cover layer (6) are applied.
• a preferably transparent substrate (1) on the surface of which at least one information layer (3) which can be written on with light, preferably laser light, optionally an adhesive layer (5) and a transparent cover layer (6) are applied.
• the optical data carrier has, for example, the following layer structure (cf. FIG. 2): a preferably transparent substrate (11), an information layer
• the optical data carrier has, for example, the following layer structure (cf. FIG. 3): a preferably transparent substrate (21), an information layer
• the invention further relates to optical data carriers according to the invention described with blue, red or infrared light, in particular laser light, in particular infrared laser light.
• the dye obtained is dried in vacuo.
• a 3.8% solution of the dye from Example 19 in 2,2,3,3-tetrafluoropropanol was prepared at room temperature. This solution was applied to a pregrooved polycarbonate substrate using spin coating. The pre-grooved polycarbonate was produced as a disk using injection molding. The dimensions of the disc and the groove structure corresponded to those which are usually used for CD-R. The disk with the dye layer as the information carrier was sputtered with 100 nm Ag. A UV-curable acrylic lacquer was then applied by spin coating and cured using a UV lamp. With a commercial test writer for CD-R (Pulstec OMT 2000 x 4) writing power at 6m W became easier and easier.

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• 2002
  • 2002-03-20 CN CNA028108914A patent/CN1513174A/zh active Pending
  • 2002-03-20 TW TW091105377A patent/TWI227486B/zh active
  • 2002-03-20 EP EP02719993A patent/EP1377973A1/de not_active Withdrawn
  • 2002-03-20 JP JP2002578495A patent/JP2004524194A/ja active Pending
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