NL7408851A - Werkwijze ter bereiding van 5h(1)benzopyrano (3,4-d)pyridinen. - Google Patents
Werkwijze ter bereiding van 5h(1)benzopyrano (3,4-d)pyridinen.Info
- Publication number
- NL7408851A NL7408851A NL7408851A NL7408851A NL7408851A NL 7408851 A NL7408851 A NL 7408851A NL 7408851 A NL7408851 A NL 7408851A NL 7408851 A NL7408851 A NL 7408851A NL 7408851 A NL7408851 A NL 7408851A
- Authority
- NL
- Netherlands
- Prior art keywords
- pyridins
- benzopyrano
- preparing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/04—Centrally acting analgesics, e.g. opioids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
- C07C37/055—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Pain & Pain Management (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (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)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US379016A US3878219A (en) | 1973-07-13 | 1973-07-13 | 5H-{8 1{9 benzopyrano{8 3,4-d{9 pyridines |
| US05/458,744 US4254116A (en) | 1974-04-08 | 1974-04-08 | 5H-[1]Benzopyrano[3,4-d]pyridines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7408851A true NL7408851A (nl) | 1975-01-15 |
Family
ID=27008438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7408851A NL7408851A (nl) | 1973-07-13 | 1974-07-01 | Werkwijze ter bereiding van 5h(1)benzopyrano (3,4-d)pyridinen. |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5315519B2 (da) |
| CA (1) | CA1037955A (da) |
| CH (1) | CH592667A5 (da) |
| DE (1) | DE2433442A1 (da) |
| DK (2) | DK328674A (da) |
| FR (1) | FR2236496B1 (da) |
| GB (1) | GB1460471A (da) |
| NL (1) | NL7408851A (da) |
| PH (1) | PH13729A (da) |
| SE (1) | SE401511B (da) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3576798A (en) * | 1965-09-27 | 1971-04-27 | Little Inc A | 1,2,3,4-tetrahydro-5h-(1)benzopyrano (3,4-d)pyridines |
| US3991194A (en) * | 1971-12-27 | 1976-11-09 | Sharps Associates | Heterocyclic esters of benzopyranopyridines |
-
1974
- 1974-06-19 DK DK328674A patent/DK328674A/da not_active Application Discontinuation
- 1974-07-01 NL NL7408851A patent/NL7408851A/xx not_active Application Discontinuation
- 1974-07-02 CA CA203,794A patent/CA1037955A/en not_active Expired
- 1974-07-03 PH PH16010A patent/PH13729A/en unknown
- 1974-07-10 SE SE7409098A patent/SE401511B/xx unknown
- 1974-07-11 CH CH960674A patent/CH592667A5/xx not_active IP Right Cessation
- 1974-07-11 DE DE2433442A patent/DE2433442A1/de not_active Ceased
- 1974-07-11 FR FR7424205A patent/FR2236496B1/fr not_active Expired
- 1974-07-12 GB GB3107574A patent/GB1460471A/en not_active Expired
- 1974-07-12 JP JP7926874A patent/JPS5315519B2/ja not_active Expired
-
1982
- 1982-12-30 DK DK579082A patent/DK579082A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DK328674A (da) | 1975-03-17 |
| SE7409098L (sv) | 1975-01-14 |
| FR2236496B1 (da) | 1977-09-09 |
| DE2433442A1 (de) | 1975-01-30 |
| DK579082A (da) | 1982-12-30 |
| CA1037955A (en) | 1978-09-05 |
| FR2236496A1 (da) | 1975-02-07 |
| PH13729A (en) | 1980-09-09 |
| CH592667A5 (da) | 1977-10-31 |
| AU7004074A (en) | 1975-12-18 |
| JPS5040596A (da) | 1975-04-14 |
| JPS5315519B2 (da) | 1978-05-25 |
| SE401511B (sv) | 1978-05-16 |
| GB1460471A (en) | 1977-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |