CA945562A - Method of producing 3-substituted or unsubstituted-2,2'-spirobis (benzo (f) chromen) - Google Patents

Method of producing 3-substituted or unsubstituted-2,2'-spirobis (benzo (f) chromen)

Info

Publication number
CA945562A
CA945562A CA106,600A CA106600A CA945562A CA 945562 A CA945562 A CA 945562A CA 106600 A CA106600 A CA 106600A CA 945562 A CA945562 A CA 945562A
Authority
CA
Canada
Prior art keywords
spirobis
chromen
benzo
unsubstituted
substituted
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA106,600A
Other languages
English (en)
Other versions
CA106600S (en
Inventor
Daijiro Nishio
Satoshi Kurihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of CA945562A publication Critical patent/CA945562A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07D493/10—Spiro-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
    • B41M5/15—Spiro-pyrans
    • 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
    • C07D311/92—Naphthopyrans; Hydrogenated naphthopyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
CA106,600A 1970-03-04 1971-03-02 Method of producing 3-substituted or unsubstituted-2,2'-spirobis (benzo (f) chromen) Expired CA945562A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1843270 1970-03-04

Publications (1)

Publication Number Publication Date
CA945562A true CA945562A (en) 1974-04-16

Family

ID=11971471

Family Applications (1)

Application Number Title Priority Date Filing Date
CA106,600A Expired CA945562A (en) 1970-03-04 1971-03-02 Method of producing 3-substituted or unsubstituted-2,2'-spirobis (benzo (f) chromen)

Country Status (6)

Country Link
BE (1) BE763715A (enExample)
CA (1) CA945562A (enExample)
DE (1) DE2110443A1 (enExample)
ES (1) ES388829A1 (enExample)
FR (1) FR2084163A5 (enExample)
GB (1) GB1291689A (enExample)

Also Published As

Publication number Publication date
FR2084163A5 (enExample) 1971-12-17
BE763715A (fr) 1971-08-02
GB1291689A (en) 1972-10-04
DE2110443A1 (de) 1972-07-13
ES388829A1 (es) 1973-06-01

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