BE703813A - - Google Patents
Info
- Publication number
- BE703813A BE703813A BE703813DA BE703813A BE 703813 A BE703813 A BE 703813A BE 703813D A BE703813D A BE 703813DA BE 703813 A BE703813 A BE 703813A
- Authority
- BE
- Belgium
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB42223/66A GB1152875A (en) | 1966-09-21 | 1966-09-21 | Coumarin Derivatives and their use as Optical Whitening Agents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE703813A true BE703813A (de) | 1968-03-13 |
Family
ID=10423400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE703813D BE703813A (de) | 1966-09-21 | 1967-09-13 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3525753A (de) |
| BE (1) | BE703813A (de) |
| CH (2) | CH1298867A4 (de) |
| DE (1) | DE1643410C3 (de) |
| GB (1) | GB1152875A (de) |
| NL (1) | NL6712791A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773361B (zh) * | 2014-02-25 | 2015-04-22 | 山东大学 | 一种以香豆素为母核的半胱氨酸荧光探针及其应用 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3351482A (en) * | 1961-02-21 | 1967-11-07 | Bayer Ag | Synthetic textiles brightened with 3-phenyl-7-hydroxy-coumarin |
-
1966
- 1966-09-21 GB GB42223/66A patent/GB1152875A/en not_active Expired
-
1967
- 1967-09-11 US US666997A patent/US3525753A/en not_active Expired - Lifetime
- 1967-09-13 BE BE703813D patent/BE703813A/xx unknown
- 1967-09-15 DE DE1643410A patent/DE1643410C3/de not_active Expired
- 1967-09-18 CH CH1298867D patent/CH1298867A4/xx unknown
- 1967-09-18 CH CH1298867A patent/CH494309A/de not_active IP Right Cessation
- 1967-09-19 NL NL6712791A patent/NL6712791A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH494309A (de) | 1970-04-15 |
| DE1643410B2 (de) | 1973-05-03 |
| CH1298867A4 (de) | 1970-04-15 |
| GB1152875A (en) | 1969-05-21 |
| DE1643410C3 (de) | 1973-12-06 |
| NL6712791A (de) | 1968-03-22 |
| US3525753A (en) | 1970-08-25 |
| DE1643410A1 (de) | 1972-02-03 |