DE2647850A1 - Photochromatische verbindungen und verfahren zu ihrer herstellung - Google Patents

Photochromatische verbindungen und verfahren zu ihrer herstellung

Info

Publication number
DE2647850A1
DE2647850A1 DE19762647850 DE2647850A DE2647850A1 DE 2647850 A1 DE2647850 A1 DE 2647850A1 DE 19762647850 DE19762647850 DE 19762647850 DE 2647850 A DE2647850 A DE 2647850A DE 2647850 A1 DE2647850 A1 DE 2647850A1
Authority
DE
Germany
Prior art keywords
carbon atoms
groups
group
substituted
alkyl
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.)
Withdrawn
Application number
DE19762647850
Other languages
German (de)
English (en)
Inventor
Harold George Heller
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.)
HELLER GEORGE H
Original Assignee
HELLER GEORGE H
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 HELLER GEORGE H filed Critical HELLER GEORGE H
Publication of DE2647850A1 publication Critical patent/DE2647850A1/de
Withdrawn legal-status Critical Current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
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)
  • Furan Compounds (AREA)
DE19762647850 1976-08-31 1976-10-22 Photochromatische verbindungen und verfahren zu ihrer herstellung Withdrawn DE2647850A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71925476A 1976-08-31 1976-08-31

Publications (1)

Publication Number Publication Date
DE2647850A1 true DE2647850A1 (de) 1978-03-02

Family

ID=24889364

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762647850 Withdrawn DE2647850A1 (de) 1976-08-31 1976-10-22 Photochromatische verbindungen und verfahren zu ihrer herstellung

Country Status (5)

Country Link
JP (1) JPS5331656A (it)
DE (1) DE2647850A1 (it)
FR (1) FR2363568A2 (it)
IT (1) IT1079147B (it)
NL (1) NL7611809A (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991001312A1 (en) * 1989-07-24 1991-02-07 Mtm Research Chemicals Limited Novel photoactive compounds
EP0420397A1 (en) * 1989-07-28 1991-04-03 Wako Pure Chemical Industries Ltd Fulgimide derivatives

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146327B (en) * 1983-09-07 1986-11-26 Plessey Co Plc Photochromic fused-ring organic compounds and their use in photoreactive lenses
JPS62242677A (ja) * 1986-04-16 1987-10-23 Agency Of Ind Science & Technol フォトクロミック材料
JPS649281A (en) * 1987-07-02 1989-01-12 Agency Ind Science Techn Photochromic material and optical recording medium
JPS649282A (en) * 1987-07-02 1989-01-12 Agency Ind Science Techn Photochromic material
JPH0613512B2 (ja) * 1987-07-30 1994-02-23 ヤマハ株式会社 ホトクロミック化合物

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991001312A1 (en) * 1989-07-24 1991-02-07 Mtm Research Chemicals Limited Novel photoactive compounds
EP0420397A1 (en) * 1989-07-28 1991-04-03 Wako Pure Chemical Industries Ltd Fulgimide derivatives

Also Published As

Publication number Publication date
JPS5331656A (en) 1978-03-25
FR2363568A2 (fr) 1978-03-31
IT1079147B (it) 1985-05-08
NL7611809A (nl) 1978-03-02

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination