ATE48837T1 - Verfahren zu herstellung von 2-tert.-butyl-4,5dichloro-3(2h)-pyridazinon. - Google Patents

Verfahren zu herstellung von 2-tert.-butyl-4,5dichloro-3(2h)-pyridazinon.

Info

Publication number: ATE48837T1
Authority: AT; Austria
Prior art keywords: 5dichloro; pyridazinone; tert; butyl; preparation
Prior art date: 1984-06-23

Application number

AT85107602T

Other languages

English (en)

Inventor

Hideo C O Central Resea Suzuki

- Tsuboi-Cho Ltd

Yasuo C O Central Res Kawamura

Tomoyuki C O Central Res Ogura

Original Assignee

Nissan Chemical Ind Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1984-06-23

Filing date

1985-06-19

Publication date

1990-01-15

1984-06-23 Priority claimed from JP12978684A external-priority patent/JPH0635448B2/ja

1984-06-23 Priority claimed from JP12978584A external-priority patent/JPS6110560A/ja

1985-06-19 Application filed by Nissan Chemical Ind Ltd filed Critical Nissan Chemical Ind Ltd

1985-06-19 Priority claimed from EP19850107602 external-priority patent/EP0169375B1/de

1990-01-15 Application granted granted Critical

1990-01-15 Publication of ATE48837T1 publication Critical patent/ATE48837T1/de

Links

ANFVZRTXGLHTNI-UHFFFAOYSA-N 2-tert-butyl-4,5-dichloropyridazin-3-one Chemical compound CC(C)(C)N1N=CC(Cl)=C(Cl)C1=O ANFVZRTXGLHTNI-UHFFFAOYSA-N 0.000 title 1

AT85107602T 1984-06-23 1985-06-19 Verfahren zu herstellung von 2-tert.-butyl-4,5dichloro-3(2h)-pyridazinon. ATE48837T1 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP12978684A JPH0635448B2 (ja)	1984-06-23	1984-06-23	２−タ−シヤリ−ブチル−４，５−ジクロル−３（２ｈ）−ピリダジノンの製造法
JP12978584A JPS6110560A (ja)	1984-06-23	1984-06-23	２−タ−シヤリ−ブチル−４，　５−ジクロル−３　（２ｈ）−ピリダジノンの製法
EP19850107602 EP0169375B1 (de)	1984-06-23	1985-06-19	Verfahren zu Herstellung von 2-Tert.-butyl-4,5-dichloro-3(2H)-pyridazinon

Publications (1)

Publication Number	Publication Date
ATE48837T1 true ATE48837T1 (de)	1990-01-15

Family

ID=27227764

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT85107602T ATE48837T1 (de)	1984-06-23	1985-06-19	Verfahren zu herstellung von 2-tert.-butyl-4,5dichloro-3(2h)-pyridazinon.

Country Status (1)

Country	Link
AT (1)	ATE48837T1 (de)

1985
- 1985-06-19 AT AT85107602T patent/ATE48837T1/de not_active IP Right Cessation

Similar Documents

Publication	Publication Date	Title
PT81173A (de)	1985-10-01	4,5-dihydro-3(2h)-pyridazinona verfahren zu ihrer herstellung und ihre verwendung
NO166416C (no)	1991-07-17	Fremgangsmaate ved fremstilling av cellulosemasse.
FI853255A0 (fi)	1985-08-23	Foerfarande foer framstaellning av 6-klor-n-metyl-2,3,4,5-tetrahydro-1h-3-bensazepin.
NO854657L (no)	1986-05-23	Fremgangsmaate ved fremstilling av isosilybinfri silibin.
FI852765A0 (fi)	1985-07-12	Foerfarande foer framstaellning av saosom hjaertmedicin anvaendbara 1,6-naftyridin 2(1h)-oner.
NO159080C (no)	1988-11-30	Fremgangsmaate til fremstilling av 2,4-diklor-5-fluor-benzosyre.
DE3574870D1 (de)	1990-01-25	Verfahren zu herstellung von 2-tert.-butyl-4,5-dichloro-3(2h)-pyridazinon.
FI73980B (fi)	1987-08-31	Foerfarande foer framstaellning av (-)-2-/1-(2,6-diklorfenoxi)-etyl-/1,3-diazacyklopent-2-en.
DK162997C (da)	1992-06-01	Fremgangsmaade til fremstilling af 5,6,7,8-tetrahydrofolinsyre
IE810767L (en)	1981-10-05	Prepartion of 2, 2, 6, 6-tetramethylpiperidone-4.
ATE48837T1 (de)	1990-01-15	Verfahren zu herstellung von 2-tert.-butyl-4,5dichloro-3(2h)-pyridazinon.
ES511405A0 (es)	1984-11-01	"procedimiento de preparar compuestos 1(2h)-isoquinolonicos y similares".
ATE16800T1 (de)	1985-12-15	Verfahren zur herstellung von 2,4-diamino-(3,5dimethoxy-4-methoxy-ethoxy-benzyl)-pyrimidin.
PH20407A (en)	1987-01-05	Substituted 4,5-dihydro-6-vinyl-3(2h)-pyridazinones
DE3575727D1 (de)	1990-03-08	Herstellung von 2,6-dialkylphenoxydihalophosphiten.
NO870543D0 (no)	1987-02-11	Fremgangsmaate ved fremstilling av 4-acetyl-1-methyl-7-pyridyl-5,6,7,8-tetrahydro-3(2h)-isokinolin.
FI855017A7 (fi)	1986-06-20	Menetelmä 26,26,26-trifluor-1 ,25 -dihydroksikolekalsiferolin valmistamiseksi.
GB2027704B (en)	1982-11-17	Process for obtaining 4,5-dihloro-2-phenyl-3-(2h)-pyridazinone
ATE49594T1 (de)	1990-02-15	4, 5-dihydro-3(2h)-pyridazinone, verfahren zu ihrer herstellung und ihre verwendung.
FI77023B (fi)	1988-09-30	Foerfarande foer framstaellning av 1-alkyl- eller 1,4-dialkyl-1h-pyrrol-2-aettiksyraestrar.
ATE16387T1 (de)	1985-11-15	Verfahren zur herstellung von substituierten 3hydroxy-1,2,4-triazolen.
NO890473D0 (no)	1989-02-06	Analogifremgangsmaate for fremstilling av 6,6-ethylen-15,16-methylen-3-oxo-17alfa-pregn-4-en-21,17-carbolactoner.
IE842997L (en)	1985-06-07	4,5-dihydro-6-£2-£4-(ih)-imidazol-1-yl)phenyl\|ethenyl\|-3(2h)¹-pyridazinones
NO159599C (no)	1989-01-18	Fremgangsmaate for 5-aroylering av 1,2-dihydro-3h-pyrrolo-(1,2a)pyrrol-1-karboksylsyrenitriler.
ATE45726T1 (de)	1989-09-15	Verfahren zur herstellung, von 3,7bisacetaminoheptanon-2.

Legal Events

Date	Code	Title	Description
1990-06-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties