FR2176086B3 - - Google Patents
Info
- Publication number
- FR2176086B3 FR2176086B3 FR7309257A FR7309257A FR2176086B3 FR 2176086 B3 FR2176086 B3 FR 2176086B3 FR 7309257 A FR7309257 A FR 7309257A FR 7309257 A FR7309257 A FR 7309257A FR 2176086 B3 FR2176086 B3 FR 2176086B3
- Authority
- FR
- France
- 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
- 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
- C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
- C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
- C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B57/00—Other synthetic dyes of known constitution
- C09B57/02—Coumarine dyes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH376972A CH556376A (de) | 1972-03-15 | 1972-03-15 | Verfahren zur herstellung in wasser schwer loeslicher cumarinverbindungen. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2176086A1 FR2176086A1 (xx) | 1973-10-26 |
| FR2176086B3 true FR2176086B3 (xx) | 1976-03-12 |
Family
ID=4263084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7309257A Expired FR2176086B3 (xx) | 1972-03-15 | 1973-03-15 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS493921A (xx) |
| CH (1) | CH556376A (xx) |
| DE (1) | DE2312133A1 (xx) |
| FR (1) | FR2176086B3 (xx) |
| GB (1) | GB1420777A (xx) |
| IT (1) | IT979871B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2413281C2 (de) * | 1974-03-20 | 1984-08-02 | Bayer Ag, 5090 Leverkusen | Cumarinverbindungen |
| LU78311A1 (de) * | 1977-10-13 | 1979-06-01 | Ciba Geigy Ag | Neue cumarinfarbstoffe,deren herstellung und verwendung |
| JPS6331324A (ja) * | 1986-07-25 | 1988-02-10 | Fujitsu Ten Ltd | 音場制御機能を有するラジオ受信機 |
| GB9716476D0 (en) * | 1997-08-04 | 1997-10-08 | Amersham Int Plc | Dye intermediate and method |
-
1972
- 1972-03-15 CH CH376972A patent/CH556376A/xx not_active IP Right Cessation
-
1973
- 1973-03-12 DE DE19732312133 patent/DE2312133A1/de active Pending
- 1973-03-13 GB GB1195773A patent/GB1420777A/en not_active Expired
- 1973-03-14 JP JP2911073A patent/JPS493921A/ja active Pending
- 1973-03-15 FR FR7309257A patent/FR2176086B3/fr not_active Expired
- 1973-03-15 IT IT4884073A patent/IT979871B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2312133A1 (de) | 1973-09-20 |
| IT979871B (it) | 1974-09-30 |
| JPS493921A (xx) | 1974-01-14 |
| GB1420777A (en) | 1976-01-14 |
| FR2176086A1 (xx) | 1973-10-26 |
| CH556376A (de) | 1974-11-29 |