GB883803A - 1-phenyl-3, 3-dimethyl-spiro [(2h-1-benzopyran)-2, 2-indoline] and its derivatives - Google Patents
1-phenyl-3, 3-dimethyl-spiro [(2h-1-benzopyran)-2, 2-indoline] and its derivativesInfo
- Publication number
- GB883803A GB883803A GB23082/60A GB2308260A GB883803A GB 883803 A GB883803 A GB 883803A GB 23082/60 A GB23082/60 A GB 23082/60A GB 2308260 A GB2308260 A GB 2308260A GB 883803 A GB883803 A GB 883803A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dimethyl
- phenyl
- indoline
- methylene
- condensing
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/10—Spiro-condensed 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
- G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Indole Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Color Printing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82746259A | 1959-07-16 | 1959-07-16 | |
US191431A US3231584A (en) | 1959-07-16 | 1962-05-01 | 1-phenyl-3, 3-dimethylspiro[(2'h-1'-benzopyran)-2', 2'-indoline] compound |
Publications (1)
Publication Number | Publication Date |
---|---|
GB883803A true GB883803A (en) | 1961-12-06 |
Family
ID=26887043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB23082/60A Expired GB883803A (en) | 1959-07-16 | 1960-07-01 | 1-phenyl-3, 3-dimethyl-spiro [(2h-1-benzopyran)-2, 2-indoline] and its derivatives |
Country Status (6)
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE623057A (US07534539-20090519-C00280.png) * | 1961-10-05 | |||
FR1394163A (fr) * | 1964-02-18 | 1965-04-02 | Saint Gobain | Compositions photochromes notamment pour la fabrication de vitrages à transmission variable |
FR1451332A (fr) * | 1965-06-23 | 1966-01-07 | Saint Gobain | Nouvelles substances photochromiques di-spiropyranniques et procédé de préparation de ces substances |
US3390192A (en) * | 1965-10-20 | 1968-06-25 | Geigy Chem Corp | Dihydropyrenes and photochromic compositions based thereon |
US3528926A (en) * | 1966-10-27 | 1970-09-15 | Ncr Co | Mixed photochromic compound composition |
US3507563A (en) * | 1967-02-01 | 1970-04-21 | Itek Corp | Color-reversible anti-glare mirror |
GB1245079A (en) * | 1968-12-10 | 1971-09-02 | Fuji Photo Film Co Ltd | Spiro-indoline derivatives and their use in pressure-sensitive copying paper |
FR2036168A5 (US07534539-20090519-C00280.png) * | 1969-03-06 | 1970-12-24 | Saint Gobain | |
GB8610709D0 (en) * | 1986-05-01 | 1986-06-04 | Plinkington Bros Plc | Photochromic lenses |
GB8611837D0 (en) * | 1986-05-15 | 1986-06-25 | Plessey Co Plc | Photochromic spiropyran compounds |
GB8614680D0 (en) * | 1986-06-17 | 1986-07-23 | Plessey Co Plc | Photoreactive lenses |
US5171636A (en) * | 1989-12-12 | 1992-12-15 | Enichem Synthesis S.P.A. | Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation |
IT1237528B (it) * | 1989-12-12 | 1993-06-08 | Enichem Sintesi | Composti fotocromatici e termocromatici spiro-ossazepin-ossazine e procedimento per la loro preparazione |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE442515A (US07534539-20090519-C00280.png) * | 1940-07-30 | |||
BE566862A (US07534539-20090519-C00280.png) * | 1957-04-23 | |||
NL113671C (US07534539-20090519-C00280.png) * | 1959-04-03 | |||
US3085469A (en) * | 1959-10-12 | 1963-04-16 | Ncr Co | Optical information-processing apparatus and method |
-
0
- NL NL253898D patent/NL253898A/xx unknown
- NL NL127064D patent/NL127064C/xx active
-
1960
- 1960-07-01 GB GB23082/60A patent/GB883803A/en not_active Expired
- 1960-07-11 FR FR832582A patent/FR1262318A/fr not_active Expired
- 1960-07-12 DE DEN18612A patent/DE1294382B/de active Pending
- 1960-07-12 CH CH794860A patent/CH395090A/fr unknown
-
1962
- 1962-05-01 US US191431A patent/US3231584A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL127064C (US07534539-20090519-C00280.png) | |
CH395090A (fr) | 1965-07-15 |
NL253898A (US07534539-20090519-C00280.png) | |
FR1262318A (fr) | 1961-05-26 |
DE1294382B (de) | 1969-05-08 |
US3231584A (en) | 1966-01-25 |
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