BR8702511A - Espiro-benzopirano e espiro-naftopirano fotocromico,espiro-pirano fotocromico,espiro-naftopirano heliocromico,espiro-pirano heliocromico,lente plana ou oftalmica e processo de rearranjo de caisen - Google Patents

Espiro-benzopirano e espiro-naftopirano fotocromico,espiro-pirano fotocromico,espiro-naftopirano heliocromico,espiro-pirano heliocromico,lente plana ou oftalmica e processo de rearranjo de caisen

Info

Publication number
BR8702511A
BR8702511A BR8702511A BR8702511A BR8702511A BR 8702511 A BR8702511 A BR 8702511A BR 8702511 A BR8702511 A BR 8702511A BR 8702511 A BR8702511 A BR 8702511A BR 8702511 A BR8702511 A BR 8702511A
Authority
BR
Brazil
Prior art keywords
spyro
heliochromic
photochromic
spirus
pyronic
Prior art date
Application number
BR8702511A
Other languages
English (en)
Inventor
Harry George Heller
Stephen Nigel Oliver
John Whittall
Ian Tomlinson
Original Assignee
Plessey Co Plc
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 Plessey Co Plc filed Critical Plessey Co Plc
Publication of BR8702511A publication Critical patent/BR8702511A/pt

Links

Classifications

    • 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
    • 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
    • C07D311/96—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings spiro-condensed with carbocyclic rings or ring systems
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/15—Heterocyclic compounds having oxygen in the ring
    • C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
    • C08K5/1545—Six-membered rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Pyrane Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Optical Filters (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Eyeglasses (AREA)
BR8702511A 1986-05-15 1987-05-15 Espiro-benzopirano e espiro-naftopirano fotocromico,espiro-pirano fotocromico,espiro-naftopirano heliocromico,espiro-pirano heliocromico,lente plana ou oftalmica e processo de rearranjo de caisen BR8702511A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868611837A GB8611837D0 (en) 1986-05-15 1986-05-15 Photochromic spiropyran compounds

Publications (1)

Publication Number Publication Date
BR8702511A true BR8702511A (pt) 1988-02-23

Family

ID=10597906

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8702511A BR8702511A (pt) 1986-05-15 1987-05-15 Espiro-benzopirano e espiro-naftopirano fotocromico,espiro-pirano fotocromico,espiro-naftopirano heliocromico,espiro-pirano heliocromico,lente plana ou oftalmica e processo de rearranjo de caisen

Country Status (12)

Country Link
US (1) US4826977A (pt)
EP (1) EP0246114B1 (pt)
JP (1) JPS6366178A (pt)
KR (1) KR870011125A (pt)
CN (1) CN87104184A (pt)
AT (1) ATE80160T1 (pt)
AU (1) AU610496B2 (pt)
BR (1) BR8702511A (pt)
DE (1) DE3781454T2 (pt)
GB (2) GB8611837D0 (pt)
IN (1) IN170732B (pt)
ZA (1) ZA873457B (pt)

Families Citing this family (178)

* Cited by examiner, † Cited by third party
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DE3781454T2 (de) 1993-04-15
ZA873457B (en) 1988-04-27
IN170732B (pt) 1992-05-09
ATE80160T1 (de) 1992-09-15
EP0246114A3 (en) 1990-01-17
DE3781454D1 (de) 1992-10-08
EP0246114B1 (en) 1992-09-02
AU610496B2 (en) 1991-05-23
KR870011125A (ko) 1987-12-21
EP0246114A2 (en) 1987-11-19
AU7310487A (en) 1987-11-19
GB8611837D0 (en) 1986-06-25
GB2190379B (en) 1990-05-02
CN87104184A (zh) 1988-06-29
JPS6366178A (ja) 1988-03-24
GB8711511D0 (en) 1987-06-17
US4826977A (en) 1989-05-02
GB2190379A (en) 1987-11-18

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