BE726592A - - Google Patents
Info
- Publication number
- BE726592A BE726592A BE726592DA BE726592A BE 726592 A BE726592 A BE 726592A BE 726592D A BE726592D A BE 726592DA BE 726592 A BE726592 A BE 726592A
- 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
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
- C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
- A61K31/352—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom condensed with carbocyclic rings, e.g. methantheline
- A61K31/353—3,4-Dihydrobenzopyrans, e.g. chroman, catechin
- A61K31/355—Tocopherols, e.g. vitamin E
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR142752A FR7284M (fr) | 1968-03-07 | 1968-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE726592A true BE726592A (fr) | 1969-06-16 |
Family
ID=8647129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE726592D BE726592A (fr) | 1968-03-07 | 1969-01-08 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE726592A (fr) |
| CA (1) | CA967094A (fr) |
| CH (1) | CH490371A (fr) |
| FR (1) | FR7284M (fr) |
| GB (1) | GB1264667A (fr) |
-
1968
- 1968-03-07 FR FR142752A patent/FR7284M/fr not_active Expired
- 1968-11-15 CH CH1710968A patent/CH490371A/fr not_active IP Right Cessation
-
1969
- 1969-01-08 BE BE726592D patent/BE726592A/xx not_active IP Right Cessation
- 1969-02-13 CA CA042,876A patent/CA967094A/en not_active Expired
- 1969-03-04 GB GB1264667D patent/GB1264667A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA967094A (en) | 1975-05-06 |
| GB1264667A (fr) | 1972-02-23 |
| FR7284M (fr) | 1969-09-22 |
| CH490371A (fr) | 1970-05-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: THERAMEX S.A. Effective date: 19890108 |