FR2263246B3 - - Google Patents
Info
- Publication number
- FR2263246B3 FR2263246B3 FR7506541A FR7506541A FR2263246B3 FR 2263246 B3 FR2263246 B3 FR 2263246B3 FR 7506541 A FR7506541 A FR 7506541A FR 7506541 A FR7506541 A FR 7506541A FR 2263246 B3 FR2263246 B3 FR 2263246B3
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742410634 DE2410634A1 (en) | 1974-03-06 | 1974-03-06 | 3-BENZOFURYLCUMARINE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2263246A1 FR2263246A1 (en) | 1975-10-03 |
| FR2263246B3 true FR2263246B3 (en) | 1977-11-10 |
Family
ID=5909225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7506541A Granted FR2263246A1 (en) | 1974-03-06 | 1975-03-03 | 3-Benzo-furyl-coumarin cpds., prepn. - from benzo-furan-acetic acid deriv. and salicyl-aldehyde and use as optical brighteners and dyes |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS50129625A (en) |
| DE (1) | DE2410634A1 (en) |
| FR (1) | FR2263246A1 (en) |
| IT (1) | IT1029956B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2674432B1 (en) * | 1991-03-28 | 1993-07-02 | Oreal | TINCTORIAL COMPOSITION FOR KERATINIC FIBERS, CONTAINING OXIDATION DYE PRECURSORS AND HYDROXYBENZOFURANS, AND DYEING METHOD USING THE SAME. |
| GB0205281D0 (en) * | 2002-03-06 | 2002-04-17 | Novartis Ag | Organic compounds |
-
1974
- 1974-03-06 DE DE19742410634 patent/DE2410634A1/en not_active Withdrawn
-
1975
- 1975-03-03 FR FR7506541A patent/FR2263246A1/en active Granted
- 1975-03-05 IT IT4846975A patent/IT1029956B/en active
- 1975-03-06 JP JP2657675A patent/JPS50129625A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2410634A1 (en) | 1975-09-18 |
| IT1029956B (en) | 1979-03-20 |
| FR2263246A1 (en) | 1975-10-03 |
| JPS50129625A (en) | 1975-10-14 |