IT7927840A0 - Furopiridinoni e furopirazinoni sostituiti impiegati come cromogeni in sistemi di duplicazione sensibili alla pressione e termici. - Google Patents

Furopiridinoni e furopirazinoni sostituiti impiegati come cromogeni in sistemi di duplicazione sensibili alla pressione e termici.

Info

Publication number
IT7927840A0
IT7927840A0 IT7927840A IT2784079A IT7927840A0 IT 7927840 A0 IT7927840 A0 IT 7927840A0 IT 7927840 A IT7927840 A IT 7927840A IT 2784079 A IT2784079 A IT 2784079A IT 7927840 A0 IT7927840 A0 IT 7927840A0
Authority
IT
Italy
Prior art keywords
furopyridinones
furopyrazinones
chromogens
substituted
pressure sensitive
Prior art date
Application number
IT7927840A
Other languages
English (en)
Other versions
IT1127277B (it
Inventor
Schmidt Paul Joseph
Hung William Mo-Wei
Original Assignee
Sterling Drug Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US05/968,082 external-priority patent/US4211872A/en
Priority claimed from US06/048,534 external-priority patent/US4243250A/en
Application filed by Sterling Drug Inc filed Critical Sterling Drug Inc
Publication of IT7927840A0 publication Critical patent/IT7927840A0/it
Application granted granted Critical
Publication of IT1127277B publication Critical patent/IT1127277B/it

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/79—Acids; Esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/79—Acids; Esters
    • C07D213/80—Acids; Esters in position 3
IT27840/79A 1978-12-11 1979-12-04 Furopiridinoni e furopirazioni sostituiti impiegati come cromogeni in sistemi di duplicazione sensibili alla pressione e termici IT1127277B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/968,082 US4211872A (en) 1978-12-11 1978-12-11 Substituted furopyridinones and furopyrazinones
US06/048,534 US4243250A (en) 1979-06-14 1979-06-14 Carbonless duplicating systems

Publications (2)

Publication Number Publication Date
IT7927840A0 true IT7927840A0 (it) 1979-12-04
IT1127277B IT1127277B (it) 1986-05-21

Family

ID=26726232

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27840/79A IT1127277B (it) 1978-12-11 1979-12-04 Furopiridinoni e furopirazioni sostituiti impiegati come cromogeni in sistemi di duplicazione sensibili alla pressione e termici

Country Status (15)

Country Link
KR (1) KR830001841B1 (it)
AU (1) AU527175B2 (it)
BR (1) BR7908016A (it)
CA (1) CA1137477A (it)
CH (1) CH645112A5 (it)
DE (1) DE2949804A1 (it)
DK (1) DK524079A (it)
ES (2) ES486713A0 (it)
FR (1) FR2444039A1 (it)
GB (1) GB2037799B (it)
GR (1) GR73183B (it)
IE (1) IE49314B1 (it)
IT (1) IT1127277B (it)
MX (1) MX151977A (it)
NL (1) NL7908868A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH652733A5 (de) * 1983-04-07 1985-11-29 Ciba Geigy Ag Verfahren zur herstellung von 4-azaphthalidverbindungen.
GB8504631D0 (en) * 1985-02-22 1985-03-27 Ici Plc Chromogenic compounds

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791793A (fr) * 1971-12-06 1973-03-16 Ncr Co Composes chromogenes
GB1564559A (en) * 1976-12-29 1980-04-10 Sterling Drug Inc 3(diphenylamino) phthalides

Also Published As

Publication number Publication date
GB2037799B (en) 1983-01-06
MX151977A (es) 1985-05-23
KR830001287A (ko) 1983-04-30
FR2444039A1 (fr) 1980-07-11
FR2444039B1 (it) 1983-08-05
ES8102123A1 (es) 1980-12-16
ES8106668A1 (es) 1981-08-01
KR830001841B1 (ko) 1983-09-14
GR73183B (it) 1984-02-14
NL7908868A (nl) 1980-06-13
CH645112A5 (fr) 1984-09-14
AU5340479A (en) 1980-06-19
IE49314B1 (en) 1985-09-18
AU527175B2 (en) 1983-02-17
GB2037799A (en) 1980-07-16
DK524079A (da) 1980-06-12
CA1137477A (en) 1982-12-14
ES493884A0 (es) 1981-08-01
BR7908016A (pt) 1980-09-23
DE2949804A1 (de) 1980-06-19
IE792282L (en) 1980-06-11
ES486713A0 (es) 1980-12-16
IT1127277B (it) 1986-05-21

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