BE804553A - NITROGEN HETEROCYCLES - Google Patents
NITROGEN HETEROCYCLESInfo
- Publication number
- BE804553A BE804553A BE135397A BE135397A BE804553A BE 804553 A BE804553 A BE 804553A BE 135397 A BE135397 A BE 135397A BE 135397 A BE135397 A BE 135397A BE 804553 A BE804553 A BE 804553A
- Authority
- BE
- Belgium
- Prior art keywords
- nitrogen heterocycles
- heterocycles
- nitrogen
- Prior art date
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title 2
- 229910052757 nitrogen Inorganic materials 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
- C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
- C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
- C07C2603/18—Fluorenes; Hydrogenated fluorenes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4143072 | 1972-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE804553A true BE804553A (en) | 1974-03-06 |
Family
ID=10419643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE135397A BE804553A (en) | 1972-09-06 | 1973-09-06 | NITROGEN HETEROCYCLES |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE804553A (en) |
| ZA (1) | ZA737105B (en) |
-
1973
- 1973-09-05 ZA ZA00737105A patent/ZA737105B/en unknown
- 1973-09-06 BE BE135397A patent/BE804553A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ZA737105B (en) | 1975-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: THE WELLCOME FOUNDATION LTD Effective date: 19850930 |