NL7905411A - Werkwijze voor het bereiden van 4,5-dichloor-2-fenyl- -3(2h)-pyridazinon. - Google Patents
Werkwijze voor het bereiden van 4,5-dichloor-2-fenyl- -3(2h)-pyridazinon. Download PDFInfo
- Publication number
- NL7905411A NL7905411A NL7905411A NL7905411A NL7905411A NL 7905411 A NL7905411 A NL 7905411A NL 7905411 A NL7905411 A NL 7905411A NL 7905411 A NL7905411 A NL 7905411A NL 7905411 A NL7905411 A NL 7905411A
- Authority
- NL
- Netherlands
- Prior art keywords
- pyridazinone
- phenyl
- formula
- dichloro
- pca
- Prior art date
Links
- VKWCOHVAHQOJGU-UHFFFAOYSA-N 4,5-dichloro-2-phenylpyridazin-3-one Chemical compound O=C1C(Cl)=C(Cl)C=NN1C1=CC=CC=C1 VKWCOHVAHQOJGU-UHFFFAOYSA-N 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 6
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 6
- HAKJEHJYRKVCIU-UHFFFAOYSA-N 4-amino-5-chloro-2-phenylpyridazin-3-one Chemical compound O=C1C(N)=C(Cl)C=NN1C1=CC=CC=C1 HAKJEHJYRKVCIU-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 235000010288 sodium nitrite Nutrition 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 2
- 238000010790 dilution Methods 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- AAILEWXSEQLMNI-UHFFFAOYSA-N 1h-pyridazin-6-one Chemical compound OC1=CC=CN=N1 AAILEWXSEQLMNI-UHFFFAOYSA-N 0.000 claims 1
- WYKYKTKDBLFHCY-UHFFFAOYSA-N chloridazon Chemical compound O=C1C(Cl)=C(N)C=NN1C1=CC=CC=C1 WYKYKTKDBLFHCY-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000013065 commercial product Substances 0.000 description 6
- 239000004009 herbicide Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000005576 amination reaction Methods 0.000 description 3
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000006193 diazotization reaction Methods 0.000 description 2
- 230000002363 herbicidal effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- -1 while the second Chemical compound 0.000 description 1
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8362478 | 1978-07-28 | ||
| 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 |
|---|---|
| NL7905411A true NL7905411A (nl) | 1980-01-30 |
Family
ID=11323300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7905411A NL7905411A (nl) | 1978-07-28 | 1979-07-11 | Werkwijze voor het bereiden van 4,5-dichloor-2-fenyl- -3(2h)-pyridazinon. |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4237287A (cs) |
| JP (1) | JPS5520787A (cs) |
| AT (1) | AT367413B (cs) |
| BE (1) | BE877936A (cs) |
| BR (1) | BR7904765A (cs) |
| CA (1) | CA1119173A (cs) |
| CH (1) | CH640839A5 (cs) |
| DK (1) | DK146204C (cs) |
| ES (1) | ES482895A1 (cs) |
| FR (1) | FR2432020A1 (cs) |
| GB (1) | GB2027704B (cs) |
| IL (1) | IL57771A (cs) |
| IT (1) | IT1107509B (cs) |
| NL (1) | NL7905411A (cs) |
| SE (1) | SE433077B (cs) |
| SU (1) | SU991946A3 (cs) |
| YU (1) | YU41167B (cs) |
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 JP JP9598579A patent/JPS5520787A/ja active Granted
- 1979-07-27 GB GB7926288A patent/GB2027704B/en not_active Expired
- 1979-07-27 ES ES482895A patent/ES482895A1/es not_active Expired
- 1979-07-27 SE SE7906416A patent/SE433077B/sv not_active IP Right Cessation
- 1979-07-27 DK DK318979A patent/DK146204C/da not_active IP Right Cessation
- 1979-07-27 SU SU792790356A patent/SU991946A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| YU182979A (en) | 1983-01-21 |
| CH640839A5 (it) | 1984-01-31 |
| IT7883624A0 (it) | 1978-07-28 |
| YU41167B (en) | 1986-12-31 |
| SE7906416L (sv) | 1980-01-29 |
| GB2027704B (en) | 1982-11-17 |
| IL57771A (en) | 1983-03-31 |
| IL57771A0 (en) | 1979-11-30 |
| FR2432020B1 (cs) | 1984-08-10 |
| GB2027704A (en) | 1980-02-27 |
| DK146204B (da) | 1983-07-25 |
| CA1119173A (en) | 1982-03-02 |
| ES482895A1 (es) | 1980-04-01 |
| SE433077B (sv) | 1984-05-07 |
| JPS6242899B2 (cs) | 1987-09-10 |
| IT1107509B (it) | 1985-11-25 |
| FR2432020A1 (fr) | 1980-02-22 |
| DK318979A (da) | 1980-01-29 |
| BR7904765A (pt) | 1980-04-22 |
| BE877936A (fr) | 1979-11-16 |
| US4237287A (en) | 1980-12-02 |
| JPS5520787A (en) | 1980-02-14 |
| DK146204C (da) | 1983-12-27 |
| SU991946A3 (ru) | 1983-01-23 |
| AT367413B (de) | 1982-07-12 |
| ATA516779A (de) | 1981-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| 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 | ||
| BV | The patent application has lapsed |