BE877936A - Procede d'obtention de la 4,5-dichloro-2-phenyl-pyridazine-3(2h)-one a partir de la 5-chloro-4-amino-2-phenympyridazine-3(2h)-one - Google Patents
Procede d'obtention de la 4,5-dichloro-2-phenyl-pyridazine-3(2h)-one a partir de la 5-chloro-4-amino-2-phenympyridazine-3(2h)-oneInfo
- Publication number
- BE877936A BE877936A BE0/196488A BE196488A BE877936A BE 877936 A BE877936 A BE 877936A BE 0/196488 A BE0/196488 A BE 0/196488A BE 196488 A BE196488 A BE 196488A BE 877936 A BE877936 A BE 877936A
- Authority
- BE
- Belgium
- Prior art keywords
- phenympyridazine
- pyridazine
- dichloro
- chloro
- phenyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
- C07D237/02—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
- C07D237/06—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D237/10—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members 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
- C07D237/22—Nitrogen and oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT83624/78A IT1107509B (it) | 1978-07-28 | 1978-07-28 | Procedimento per ottenere 4,5-dicloro-2-fenil-3(2h)-piridazinone a partire da 5-cloro-4-ammino-2-fenil-3(2h)-piridazinone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE877936A true BE877936A (fr) | 1979-11-16 |
Family
ID=11323300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/196488A BE877936A (fr) | 1978-07-28 | 1979-07-27 | Procede d'obtention de la 4,5-dichloro-2-phenyl-pyridazine-3(2h)-one a partir de la 5-chloro-4-amino-2-phenympyridazine-3(2h)-one |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4237287A (sv) |
| JP (1) | JPS5520787A (sv) |
| AT (1) | AT367413B (sv) |
| BE (1) | BE877936A (sv) |
| BR (1) | BR7904765A (sv) |
| CA (1) | CA1119173A (sv) |
| CH (1) | CH640839A5 (sv) |
| DK (1) | DK146204C (sv) |
| ES (1) | ES482895A1 (sv) |
| FR (1) | FR2432020A1 (sv) |
| GB (1) | GB2027704B (sv) |
| IL (1) | IL57771A (sv) |
| IT (1) | IT1107509B (sv) |
| NL (1) | NL7905411A (sv) |
| SE (1) | SE433077B (sv) |
| SU (1) | SU991946A3 (sv) |
| YU (1) | YU41167B (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2937421A1 (de) * | 1979-09-15 | 1981-04-09 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von 4-amino-5-chlor-1-phenylpyridazon-(6) |
-
1978
- 1978-07-28 IT IT83624/78A patent/IT1107509B/it active
-
1979
- 1979-06-29 FR FR7917002A patent/FR2432020A1/fr active Granted
- 1979-07-10 US US06/056,399 patent/US4237287A/en not_active Expired - Lifetime
- 1979-07-11 IL IL57771A patent/IL57771A/xx unknown
- 1979-07-11 NL NL7905411A patent/NL7905411A/nl not_active Application Discontinuation
- 1979-07-12 CA CA000331657A patent/CA1119173A/en not_active Expired
- 1979-07-17 CH CH663579A patent/CH640839A5/it not_active IP Right Cessation
- 1979-07-25 BR BR7904765A patent/BR7904765A/pt not_active IP Right Cessation
- 1979-07-26 AT AT0516779A patent/AT367413B/de not_active IP Right Cessation
- 1979-07-26 YU YU1829/79A patent/YU41167B/xx unknown
- 1979-07-27 BE BE0/196488A patent/BE877936A/xx not_active IP Right Cessation
- 1979-07-27 ES ES482895A patent/ES482895A1/es not_active Expired
- 1979-07-27 SU SU792790356A patent/SU991946A3/ru active
- 1979-07-27 GB GB7926288A patent/GB2027704B/en not_active Expired
- 1979-07-27 DK DK318979A patent/DK146204C/da not_active IP Right Cessation
- 1979-07-27 SE SE7906416A patent/SE433077B/sv not_active IP Right Cessation
- 1979-07-27 JP JP9598579A patent/JPS5520787A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SU991946A3 (ru) | 1983-01-23 |
| NL7905411A (nl) | 1980-01-30 |
| SE7906416L (sv) | 1980-01-29 |
| GB2027704A (en) | 1980-02-27 |
| YU41167B (en) | 1986-12-31 |
| DK146204B (da) | 1983-07-25 |
| FR2432020B1 (sv) | 1984-08-10 |
| CH640839A5 (it) | 1984-01-31 |
| ATA516779A (de) | 1981-11-15 |
| IT7883624A0 (it) | 1978-07-28 |
| FR2432020A1 (fr) | 1980-02-22 |
| DK146204C (da) | 1983-12-27 |
| SE433077B (sv) | 1984-05-07 |
| GB2027704B (en) | 1982-11-17 |
| DK318979A (da) | 1980-01-29 |
| US4237287A (en) | 1980-12-02 |
| ES482895A1 (es) | 1980-04-01 |
| CA1119173A (en) | 1982-03-02 |
| IL57771A (en) | 1983-03-31 |
| IL57771A0 (en) | 1979-11-30 |
| IT1107509B (it) | 1985-11-25 |
| JPS6242899B2 (sv) | 1987-09-10 |
| YU182979A (en) | 1983-01-21 |
| BR7904765A (pt) | 1980-04-22 |
| AT367413B (de) | 1982-07-12 |
| JPS5520787A (en) | 1980-02-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: OXON ITALIA S.P.A. Effective date: 19920731 |