DE3876819D1 - Verfahren zur herstellung von fluorenverbindungen. - Google Patents

Verfahren zur herstellung von fluorenverbindungen.

Info

Publication number
DE3876819D1
DE3876819D1 DE8888300555T DE3876819T DE3876819D1 DE 3876819 D1 DE3876819 D1 DE 3876819D1 DE 8888300555 T DE8888300555 T DE 8888300555T DE 3876819 T DE3876819 T DE 3876819T DE 3876819 D1 DE3876819 D1 DE 3876819D1
Authority
DE
Germany
Prior art keywords
fluorine compounds
producing fluorine
producing
compounds
fluorine
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 - Lifetime
Application number
DE8888300555T
Other languages
English (en)
Other versions
DE3876819T2 (de
Inventor
Seishi Ikegami
Satoshi Nakao
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.)
Yamamoto Chemicals Inc
Original Assignee
Yamamoto Chemicals 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
Application filed by Yamamoto Chemicals Inc filed Critical Yamamoto Chemicals Inc
Application granted granted Critical
Publication of DE3876819D1 publication Critical patent/DE3876819D1/de
Publication of DE3876819T2 publication Critical patent/DE3876819T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C07D307/94—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom spiro-condensed with carbocyclic rings or ring systems, e.g. griseofulvins
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
DE8888300555T 1987-01-23 1988-01-22 Verfahren zur herstellung von fluorenverbindungen. Expired - Lifetime DE3876819T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1365487 1987-01-23

Publications (2)

Publication Number Publication Date
DE3876819D1 true DE3876819D1 (de) 1993-02-04
DE3876819T2 DE3876819T2 (de) 1993-04-29

Family

ID=11839203

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888300555T Expired - Lifetime DE3876819T2 (de) 1987-01-23 1988-01-22 Verfahren zur herstellung von fluorenverbindungen.

Country Status (4)

Country Link
US (1) US4820840A (de)
EP (1) EP0278614B1 (de)
CA (1) CA1330084C (de)
DE (1) DE3876819T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5244602A (en) * 1990-12-03 1993-09-14 Ppg Industries, Inc. Photochromic naphthopyrans
US5294375A (en) * 1991-08-20 1994-03-15 Polaroid Corporation Thermochromic materials

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60136553A (ja) * 1983-12-23 1985-07-20 T Hasegawa Co Ltd ２―アルキリデン―３―メチルチオプロパナール類
JPS60176318A (ja) * 1984-02-22 1985-09-10 Mitsubishi Electric Corp 直流分圧器
JPS60190439A (ja) * 1984-03-06 1985-09-27 フイリツプス　ペトロリユ−ム　コンパニ− ポリマ−のゲルおよびフイツシユアイ形成の防止方法および同防止剤を含有するポリマ−組成物
JPS60189218A (ja) * 1984-03-08 1985-09-26 Matsushita Electric Ind Co Ltd 半導体集積回路基体の製造方法
JPS60245734A (ja) * 1984-05-21 1985-12-05 Nippon Mining Co Ltd 熱風炉操業方法
JPS6122076A (ja) * 1984-07-11 1986-01-30 Yamamoto Kagaku Gosei Kk フルオレン化合物の製造法
JPS61124563A (ja) * 1984-11-19 1986-06-12 Hitachi Metals Ltd 薄膜付着基板の製造方法
US4658276A (en) * 1985-06-22 1987-04-14 Kanzaki Paper Manufacturing Co., Ltd. Phthalide derivatives and recording system utilizing the same

Also Published As

Publication number Publication date
EP0278614B1 (de) 1992-12-23
DE3876819T2 (de) 1993-04-29
EP0278614A1 (de) 1988-08-17
US4820840A (en) 1989-04-11
CA1330084C (en) 1994-06-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition