BE692102A - - Google Patents
Info
- Publication number
- BE692102A BE692102A BE692102DA BE692102A BE 692102 A BE692102 A BE 692102A BE 692102D A BE692102D A BE 692102DA BE 692102 A BE692102 A BE 692102A
- Authority
- BE
- Belgium
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51854566A | 1966-01-04 | 1966-01-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE692102A true BE692102A (ro) | 1967-07-06 |
Family
ID=24064406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE692102D BE692102A (ro) | 1966-01-04 | 1967-01-03 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3502687A (ro) |
| BE (1) | BE692102A (ro) |
| NL (1) | NL6700119A (ro) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067883A (en) * | 1971-05-04 | 1978-01-10 | Fisons Limited | Process for preparing a 4-hydroxy-benzodioxol |
-
1966
- 1966-01-04 US US518545A patent/US3502687A/en not_active Expired - Lifetime
-
1967
- 1967-01-03 BE BE692102D patent/BE692102A/xx unknown
- 1967-01-04 NL NL6700119A patent/NL6700119A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6700119A (ro) | 1967-07-05 |
| US3502687A (en) | 1970-03-24 |