GB1291689A - 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
- GB1291689A GB1291689A GB2343371A GB2343371A GB1291689A GB 1291689 A GB1291689 A GB 1291689A GB 2343371 A GB2343371 A GB 2343371A GB 2343371 A GB2343371 A GB 2343371A GB 1291689 A GB1291689 A GB 1291689A
- Authority
- GB
- United Kingdom
- 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
Links
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 abstract 3
- VCMLCMCXCRBSQO-UHFFFAOYSA-N 3h-benzo[f]chromene Chemical compound C1=CC=CC2=C(C=CCO3)C3=CC=C21 VCMLCMCXCRBSQO-UHFFFAOYSA-N 0.000 abstract 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 abstract 1
- NTCCNERMXRIPTR-UHFFFAOYSA-N 2-hydroxy-1-naphthaldehyde Chemical compound C1=CC=CC2=C(C=O)C(O)=CC=C21 NTCCNERMXRIPTR-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 235000010724 Wisteria floribunda Nutrition 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 238000006798 ring closing metathesis reaction Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1843270 | 1970-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1291689A true GB1291689A (en) | 1972-10-04 |
Family
ID=11971471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2343371A Expired GB1291689A (en) | 1970-03-04 | 1971-04-19 | 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) |
-
1971
- 1971-03-02 CA CA106,600A patent/CA945562A/en not_active Expired
- 1971-03-03 BE BE763715A patent/BE763715A/xx unknown
- 1971-03-03 ES ES388829A patent/ES388829A1/es not_active Expired
- 1971-03-04 DE DE19712110443 patent/DE2110443A1/de active Pending
- 1971-03-04 FR FR7107403A patent/FR2084163A5/fr not_active Expired
- 1971-04-19 GB GB2343371A patent/GB1291689A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2084163A5 (enExample) | 1971-12-17 |
| CA945562A (en) | 1974-04-16 |
| BE763715A (fr) | 1971-08-02 |
| DE2110443A1 (de) | 1972-07-13 |
| ES388829A1 (es) | 1973-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |