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US4727140A Expired / Lapsed US ⏱️ 0.0 years remaining

Chromogenic 4,4-diaryl-2-oxobenzo-3,1-oxazines

Assignee: Bayer AG
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Filing: 1985-10-21
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Granted: 1988-02-23
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Expires: 2005-10-21
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Abstract

Abstract 4,4-Diaryl-2-oxobenzo-3,1-oxazines of the general formula ##STR1## wherein X 1 , X 2 and X 3 , independently of one another, denote hydrogen, halogen, alkyl, aryl, alkanoylamino, aroylamino, heteryl, NY 1 Y 2 , OY 3 or SY 3 , at least one of the radicals X 1 , X 2 or X 3 standing for NY 1 Y 2 , OY 3 or SY 3 , R 1 denotes hydrogen, alkyl, cycloalkyl, aralkyl, aryl or the members of a bridge to the o-carbon of ring B, Y 1 , Y 2 and Y 3 , independently of one another, denote hydrogen, alkyl, cycloalkyl, aralkyl or aryl or the remaining members of a 5- or 6-membered ring which reaches to one of the o-position benzene C atoms and may contain further heteroatoms or Y 1 +Y 2 denote the remaining members of a 5- or 6-membered ring which may contain further heteroatoms and the rings A, B and C and the radicals mentioned can in turn carry nonionic substituents customary in dyestuff chemistry, find utility in pressure-copyable and thermoreactive recording materials.

Inventors

  • 👤 Karlheinrich Meisel
  • 👤 Horst Berneth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 06:48
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/04; C07D265/12; C07D265/14; C07D265/18; B; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B41M5/136; C07D413/00; C07D413/02; C07D413/04; C09; C09B; C09B11/00; C09B11/04

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 169 words
A chromogenic 4,4-diaryl-2-oxobenzo-3,1-oxazine of the formula ##STR41## wherein X 1 , X 2 and X 3 , independently of one another, denote hydrogen, halogen, alkyl, aryl, alkanoylamino, aroylamino, heteryl, NY 1 Y 2 , OY 3 or SY 3 , wherein at least one of the radicals X 1 , X 2 , and X 3 denotes NY 1 Y 2 R 1 denotes hydrogen, alkyl, cycloalkyl, aralkyl, aryl or the members of a bridge to the o-carbon of ring B, Y 1 , Y 2 and Y 3 , independently of one another, denote hydrogen, alkyl, cycloalkyl, aralkyl or aryl or the remaining members of a 5- or 6-membered ring which reaches to one of the o-position benzene C atoms and may contain further hetero atoms or Y 1 +Y 2 denote the remaining members of a 5- or 6-membered ring which may contain further hetero atoms and the rings A, B and C and the rings mentioned can in turn carry nonionic substituents customary in dyestuff chemistry.
Claim 2
Dependent Claim 169 words
A chromogenic 4,4-diaryl-2-oxobenzo-3,1-oxazine of the formula ##STR41## wherein X 1 , X 2 and X 3 , independently of one another, denote hydrogen, halogen, alkyl, aryl, alkanoylamino, aroylamino, heteryl, NY 1 Y 2 , OY 3 or SY 3 , wherein at least one of the radicals X 1 , X 2 , and X 3 denotes NY 1 Y 2 R 1 denotes hydrogen, alkyl, cycloalkyl, aralkyl, aryl or the members of a bridge to the o-carbon of ring B, Y 1 , Y 2 and Y 3 , independently of one another, denote hydrogen, alkyl, cycloalkyl, aralkyl or aryl or the remaining members of a 5- or 6-membered ring which reaches to one of the o-position benzene C atoms and may contain further hetero atoms or Y 1 +Y 2 denote the remaining members of a 5- or 6-membered ring which may contain further hetero atoms and the rings A, B and C and the rings mentioned can in turn carry nonionic substituents customary in dyestuff chemistry.
Claim 3
Dependent Claim 559 words
A chromogenic compound according to claim 1 of the formula ##STR42## wherein X 4 to X 8 , independently of one another, denote hydrogen, halogen, C 1 - to C 18 -alkyl, optionally chlorine- and/or C 1 - to C 18 -alkyl-substituted phenyl, naphthyl, diphenyl or terphenyl, C 1 - to C 18 -alkylcarbonylamino, C 1 - to C 18 -alkylsulphonylamino, optionally chlorine- and/or C 1 - to C 18 -alkyl-substituted benzoylamino, NY 4 Y 5 , OY 6 or SY 6 , 2- or 4-pyridyl, 2-, 4- or 5-pyrimidyl, pyrazolinyl, 3-indolyl or 4-piperidyl, each of which can be substituted by C 1 - to C 18 -alkyl, phenyl, naphthyl, biphenyl or terphenyl, and the aromatics can in turn be substituted by amino, C 1 -C 18 -monoalkylamino or dialkylamino, halogen, C 1 -C 18 -alkoxy or C 1 -C 18 -alkyl, wherein at least one of the radicals X 4 , X 6 and X 7 denotes NY 4 Y 5 R 2 denotes hydrogen, C 1 - to C 18 -alkyl, cyclohexyl or optionally chlorine- and/or C 1 - to C 4 -alkyl-substituted benzyl or phenyl radicals, R 3 denotes hydrogen, chlorine, C 1 - to C 18 -alkyl or C 1 - to C 18 -alkoxy, Y 4 , Y 5 and Y 6 , independently of one another, denote hydrogen, optionally chlorine-, cyano-, C 1 - to C 18 -alkoxycarbonyl-, C 1 - to C 18 -alkoxy-, amino-(which can be substituted by one or two C 1 - to C 18 -alkyl, phenyl or benzyl groups)-substituted C 1 - to C 18 -alkyl, cyclohexyl, phenyl or benzyl, each of which can be substituted by chlorine, hydroxyl, C 1 - to C 18 -alkyl or C 1 - to C 18 -alkoxy, phenoxy, naphthoxy, benzyloxy, phenyl, naphthyl, biphenyl, terphenyl, 2- or 4-pyridyl, 2-, 4- or 5-pyrimidyl, C 1 - to C 18 -alkylmercapto, C 1 - to C 18 -alkylsulphonyl, cyano or amino which can be substituted by 1 or 2 C 1 - to C 18 -alkyl groups, phenyl, benzyl, naphthyl, diphenyl or terphenyl radicals or its substituents can be cyclized, or members which together with N or O to which they are bonded and with one of the rings A, B or C are necessary for completing a ring system of the following formulae ##STR43## wherein the broken line denotes the further fusion in the case of ring B, Y stands for hydrogen, optionally chlorine-, cyano-, C 1 - to C 4 -alkoxycarbonyl or C 1 - to C 4 -alkoxy-substituted C 1 - to C 8 -alkyl, cyclohexyl or phenyl or benzyl, each of which can be substituted by chlorine, C 1 - to C 4 -alkyl or C 1 - to C 4 -alkoxy, the saturated ring moiety can carry up to 4 radicals from the group selected from chlorine, C 1 - to C 4 -alkyl, C 1 - to C 4 -alkoxy and phenyl, the rings A, B, C can be substituted by chlorine, C 1 - to C 18 -alkyl, C 1 - to C 18 -alkoxy and/or C 1 - to C 18 -alkanoylamino, or NY 4 Y 5 denotes an optionally chlorine-, C 1 - to C 18 -alkyl, amino-C 1 - to C 18 -alkyl- or phenyl-substituted pyrrolo, pyrrolidino, piperidino, pipecolino, morpholino, pyrazolo or pyrazolino radical.
Claim 4
Dependent Claim 267 words
A chromogenic compound according to claim 1 of the formula ##STR44## wherein at least one of the radicals X 10 , X 11 or X 12 denotes NY 7 Y 7' and the others, independently of each other, denote NY 7 Y 7' , hydrogen, halogen, C 1 - to C 18 -alkyl, C 1 - to C 18 -alkoxy, benzyloxy, methylmercapto or ethylmercapto, phenyl, diphenyl or pyrazolino which can be substituted by C 1 - to C 4 -alkyl or phenyl, X 9 denotes hydrogen, C 1 - to C 4 -alkyl, C 1 - to C 4 -alkoxy, benzyloxy, methylmercapto or ethylmercapto, Y 7 and Y 7' , independently of each other, denote hydrogen, C 1 - to C 18 -alkyl which can be substituted by cyano, chlorine, C 1 - to C 3 -alkoxy, C 1 - to C 3 -alkoxycarbonyl or amino which in turn can be substituted by 1 or 2 C 1 - to C 18 -alkyl groups or by phenyl, naphthyl, benzyl, diphenyl or terphenyl or its substituents can be cyclized to form a piperidine, morpholine or piperazine ring, benzyl or phenyl, each of which can be substituted by chlorine, hydroxyl, C 1 - to C 18 -alkyl, C 1 - to C 18 -alkoxy, phenyl, naphthyl, diphenyl, C 1 - to C 18 -alkylmercapto, phenylmercapto, benzylmercapto, phenoxy, benzyloxy, C 1 - to C 18 -alkylsulphonyl, cyano or C 1 - to C 18 -alkylcarbonyl, and R 4 and R 5 , independently of each other, stand for hydrogen, C 1 - to C 18 -alkyl, cyclohexyl, benzyl or phenyl.
Claim 5
Dependent Claim 314 words
A chromogenic compound according to claim 1 or the formula ##STR45## wherein R 6 and R 7 , independently of each other, denote hydrogen, C 1 - to C 4 -alkyl or benzyl, at least one of the radicals X 13 , X 14 or X 16 stand for NY 9 Y 9' and the others, independently of each other, denote hydrogen, NY 9 Y 9' , halogen, C 1 -C 18 -alkyl, C 1 -C 18 -alkoxy, benzyloxy, methylmercapto, ethylmercapto, phenyl, diphenyl, pyrazolino, each of which can be further substituted by C 1 - to C 4 -alkyl groups or phenyl groups, X 15 denotes hydrogen, C 1 - to C 3 -alkoxy, benzyloxy, methylmercapto or ethylmercapto, Y 9 and Y 9' , independently of each other, denote hydrogen, C 1 - to C 18 -alkyl which can be substituted by cyano, chlorine, C 1 - to C 3 -alkoxy, C 1 - to C 3 -alkoxycarbonyl and amino which can in turn be substituted by 1 or 2 C 1 - to C 18 -alkyl groups or by phenyl, naphthyl, benzyl, diphenyl or terphenyl, or benzyl which can be optionally substituted by chlorine, hydroxyl, C 1 - to C 18 -alkyl, C 1 - to C 18 -alkoxy, phenyl, naphthyl, diphenyl C 1 - to C 18 -alkylmercapto, phenylmercapto, benzylmercapto, phenoxy, benzyloxy, C 1 - to C 18 -alkoxy-carbonyl and Y 9' denotes a radical of the formula ##STR46## wherein R 8 and R 9 , independently of each other, denote chlorine, hydroxyl, C 1 - to C 18 -alkyl, C 1 - to C 18 -alkoxy, phenyloxy, benzyloxy, phenyl, naphthyl, diphenyl, cyano or amino which can be substituted by one or two C 1 - to C 18 -alkyl groups or by phenyl, naphthyl, diphenyl or benzyl groups or its substituents can be cyclised to form a 5- or 6-membered ring.
Claim 6
Dependent Claim 11 words
A chromogenic compound according to claim 1 of the formula ##STR47##

References Cited (Backward Citations)

US4074050A Cited
US4518597A Cited

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Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-02-22 1991-08-24 1992-02-23 $2000.00 Window Closed / Lapsed
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