IT1021613B - PROCEDURE FOR PERFORMING RING CLOSING REACTIONS - Google Patents
PROCEDURE FOR PERFORMING RING CLOSING REACTIONSInfo
- Publication number
- IT1021613B IT1021613B IT7452773A IT5277374A IT1021613B IT 1021613 B IT1021613 B IT 1021613B IT 7452773 A IT7452773 A IT 7452773A IT 5277374 A IT5277374 A IT 5277374A IT 1021613 B IT1021613 B IT 1021613B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- ring closing
- performing ring
- closing reactions
- reactions
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
- C07D215/54—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3
- C07D215/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3 with oxygen atoms in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- 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)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyridine Compounds (AREA)
- Quinoline Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Thin Film Transistor (AREA)
- Junction Field-Effect Transistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2343462A DE2343462C2 (en) | 1973-08-29 | 1973-08-29 | Process for the preparation of cyclic compounds from an ester by ring closure reactions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1021613B true IT1021613B (en) | 1978-02-20 |
Family
ID=5890990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT7452773A IT1021613B (en) | 1973-08-29 | 1974-08-28 | PROCEDURE FOR PERFORMING RING CLOSING REACTIONS |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5050380A (en) |
| BE (1) | BE819195A (en) |
| CA (1) | CA1050026A (en) |
| CH (1) | CH599074A5 (en) |
| DK (1) | DK139968C (en) |
| ES (1) | ES429588A1 (en) |
| FI (1) | FI251874A (en) |
| FR (1) | FR2245584B1 (en) |
| GB (1) | GB1443620A (en) |
| HU (1) | HU169039B (en) |
| IT (1) | IT1021613B (en) |
| NL (1) | NL7411274A (en) |
| SE (1) | SE402273B (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2504875A (en) * | 1945-06-04 | 1950-04-18 | Us Sec War | Method for producing 4-hydroxyquinolines |
-
1974
- 1974-08-23 CH CH1155274A patent/CH599074A5/de not_active IP Right Cessation
- 1974-08-23 NL NL7411274A patent/NL7411274A/en not_active Application Discontinuation
- 1974-08-26 BE BE147914A patent/BE819195A/en unknown
- 1974-08-27 JP JP49098315A patent/JPS5050380A/ja active Pending
- 1974-08-28 ES ES429588A patent/ES429588A1/en not_active Expired
- 1974-08-28 FI FI2518/74A patent/FI251874A/fi unknown
- 1974-08-28 GB GB3769374A patent/GB1443620A/en not_active Expired
- 1974-08-28 FR FR7429397A patent/FR2245584B1/fr not_active Expired
- 1974-08-28 HU HUDI255A patent/HU169039B/hu unknown
- 1974-08-28 IT IT7452773A patent/IT1021613B/en active
- 1974-08-28 DK DK457874A patent/DK139968C/en active
- 1974-08-28 CA CA207,985A patent/CA1050026A/en not_active Expired
- 1974-08-28 SE SE7410896A patent/SE402273B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE402273B (en) | 1978-06-26 |
| DK139968B (en) | 1979-05-28 |
| DK457874A (en) | 1975-04-28 |
| FI251874A (en) | 1975-03-01 |
| FR2245584A1 (en) | 1975-04-25 |
| SE7410896L (en) | 1975-03-03 |
| HU169039B (en) | 1976-09-28 |
| DK139968C (en) | 1979-11-05 |
| ES429588A1 (en) | 1976-09-16 |
| NL7411274A (en) | 1975-03-04 |
| CA1050026A (en) | 1979-03-06 |
| FR2245584B1 (en) | 1978-02-17 |
| CH599074A5 (en) | 1978-05-12 |
| JPS5050380A (en) | 1975-05-06 |
| GB1443620A (en) | 1976-07-21 |
| BE819195A (en) | 1974-12-16 |
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