CH477431A - Verfahren zur Herstellung photochromer Verbindungen - Google Patents

Verfahren zur Herstellung photochromer Verbindungen

Info

Publication number
CH477431A
CH477431A CH1724565A CH1724565A CH477431A CH 477431 A CH477431 A CH 477431A CH 1724565 A CH1724565 A CH 1724565A CH 1724565 A CH1724565 A CH 1724565A CH 477431 A CH477431 A CH 477431A
Authority
CH
Switzerland
Prior art keywords
photochromic compounds
making photochromic
making
compounds
photochromic
Prior art date
Application number
CH1724565A
Other languages
English (en)
Inventor
Robert Huffman Kenneth
Fisher Ullman Edwin
Loy Myrna
Original Assignee
American Cyanamid Co
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 US418336A external-priority patent/US3331854A/en
Priority claimed from US418294A external-priority patent/US3321491A/en
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Priority to CH822968A priority Critical patent/CH476755A/de
Priority to CH822868A priority patent/CH476009A/de
Publication of CH477431A publication Critical patent/CH477431A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
    • C07D219/04—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems 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 carbon atoms of the ring system
    • C07D219/06—Oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/80—Radicals substituted by oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • 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
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • 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
    • C07D311/82—Xanthenes
    • C07D311/84—Xanthenes 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 in position 9
    • C07D311/86—Oxygen atoms, e.g. xanthones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/52—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
    • C07D333/54—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D333/56—Radicals substituted by oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/76—Dibenzothiophenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/08—Bridged systems
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
CH1724565A 1964-12-14 1965-12-14 Verfahren zur Herstellung photochromer Verbindungen CH477431A (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH822968A CH476755A (de) 1964-12-14 1965-12-14 Verfahren zur Herstellung von Cyclohexadienen und Verwendung derselben
CH822868A CH476009A (de) 1964-12-14 1965-12-14 Verfahren zur Herstellung von Cyclohexadienen und Verwendung derselben

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US41833764A 1964-12-14 1964-12-14
US418336A US3331854A (en) 1964-12-14 1964-12-14 Novel furan and thiophene compounds
US418294A US3321491A (en) 1964-12-14 1964-12-14 Photochromic benzofuran compounds

Publications (1)

Publication Number Publication Date
CH477431A true CH477431A (de) 1969-08-31

Family

ID=27411180

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1724565A CH477431A (de) 1964-12-14 1965-12-14 Verfahren zur Herstellung photochromer Verbindungen

Country Status (4)

Country Link
BE (1) BE673724A (de)
CH (1) CH477431A (de)
DE (1) DE1518518A1 (de)
NL (1) NL6509177A (de)

Also Published As

Publication number Publication date
NL6509177A (de) 1966-06-15
DE1518518A1 (de) 1969-03-20
BE673724A (de) 1966-06-14

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Legal Events

Date Code Title Description
PL Patent ceased