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KR920006321A - 3-메틸피라졸의 제조방법 - Google Patents

3-메틸피라졸의 제조방법 Download PDF

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Publication number
KR920006321A
KR920006321A KR1019910015558A KR910015558A KR920006321A KR 920006321 A KR920006321 A KR 920006321A KR 1019910015558 A KR1019910015558 A KR 1019910015558A KR 910015558 A KR910015558 A KR 910015558A KR 920006321 A KR920006321 A KR 920006321A
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KR
South Korea
Prior art keywords
iodine
methylpyrazole
iii
general formula
following general
Prior art date
Application number
KR1019910015558A
Other languages
English (en)
Other versions
KR0174272B1 (ko
Inventor
루퍼트 머클레 한스
프레취너 에리히
Original Assignee
바르쯔, 스타인호프
바스프 악티엔게젤샤프트
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.)
Filing date
Publication date
Application filed by 바르쯔, 스타인호프, 바스프 악티엔게젤샤프트 filed Critical 바르쯔, 스타인호프
Publication of KR920006321A publication Critical patent/KR920006321A/ko
Application granted granted Critical
Publication of KR0174272B1 publication Critical patent/KR0174272B1/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

내용 없음

Description

3-메틸피라졸의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. 30-100중량%의 황산 중의 2-부텐-1,4-디올, 1-부텐-3,4-디올 또는 그의 아실레이트 또는 다음 일반식(Ⅱ)의 에티닐알킬카르비놀 또는 그의 아실레이트를 촉매량의 요오드 또는 요오드 화합물 존재하에 다음 일반식(Ⅲ)의 치환 또는 비치환 히드라진 또는 그의 염과 반응시키는 것으로 이루어진 다음 일반식(Ⅰ)의 3-메틸피라졸 및 그의 유도체의 제조방법.
    R1-NH-NH2(Ⅲ)
    식중, R1, R2및 R3는 각각 수소원자 또는 알킬, 시클로알킬, 아릴 또는 아랄킬이다.
  2. 제1항에 있어서, 반응을 50 내지 250℃에서 수행하는 것을 특징으로 하는 방법.
  3. 제1 또는 2항에 있어서, 반응을 히드라진 (Ⅲ)을 기준으로 0.01 내지 10몰%의 요오드 존재 하에 수행하는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910015558A 1990-09-07 1991-09-06 3-메틸피라졸의 제조방법 KR0174272B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4028393.3 1990-09-07
DE4028393A DE4028393A1 (de) 1990-09-07 1990-09-07 Verfahren zur herstellung von 3-methylpyrazol

Publications (2)

Publication Number Publication Date
KR920006321A true KR920006321A (ko) 1992-04-27
KR0174272B1 KR0174272B1 (ko) 1999-02-18

Family

ID=6413785

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910015558A KR0174272B1 (ko) 1990-09-07 1991-09-06 3-메틸피라졸의 제조방법

Country Status (10)

Country Link
US (1) US5128480A (ko)
EP (1) EP0474037B1 (ko)
JP (1) JP3009515B2 (ko)
KR (1) KR0174272B1 (ko)
AT (1) ATE108443T1 (ko)
CA (1) CA2048456C (ko)
DE (2) DE4028393A1 (ko)
DK (1) DK0474037T3 (ko)
ES (1) ES2056537T3 (ko)
HU (1) HU209540B (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69322275T2 (de) * 1992-07-28 1999-06-24 Merck Sharp & Dohme Ltd., Hoddesdon, Hertfordshire Azazyklische verbindungen
DE4328228A1 (de) * 1993-08-23 1995-03-02 Basf Ag Verfahren zur Herstellung von Pyrazol und dessen Derivaten
JP4482162B2 (ja) * 1997-06-23 2010-06-16 ビーエーエスエフ ソシエタス・ヨーロピア 置換ピラゾールの製造方法
DE19958269A1 (de) 1999-12-03 2001-06-07 Basf Ag Düngemittelformulierungen die Polysulfonsäuren enthalten
WO2006115626A2 (en) * 2005-04-21 2006-11-02 Orphan Medical, Inc. Process for the preparation of ultrapure 4-methylprazole
ES2765817T3 (es) 2013-12-13 2020-06-11 Eurochem Agro Gmbh Procedimiento para la preparación de ácido 2-(N-3,4-dimetilpirazol)succínico
RS57770B1 (sr) 2015-06-22 2018-12-31 Eurochem Agro Gmbh Smeša za preradu đubriva koja sadrže ureu
DE102018208770A1 (de) 2018-06-04 2019-12-05 Eurochem Agro Gmbh Emulsion zur Behandlung von harnstoffhaltigen Düngemitteln
WO2020126645A1 (en) 2018-12-21 2020-06-25 Basf Se Process for preparing 2-(3, 4-dimethyl- 1 h-pyrazole-1 -yl) succinic acid and 2-(4, 5-dim ethyl- 1 h-pyrazole-1 -yl) succinic acid in a two phase solvent system
WO2024099948A1 (en) 2022-11-07 2024-05-16 Basf Se Use of dimethylpyrazole phosphate in can type fertilizers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3029160A1 (de) * 1980-08-01 1982-03-04 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von pyrazolen
DE3035394A1 (de) * 1980-09-19 1982-05-06 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von pyrazol
DE3035395A1 (de) * 1980-09-19 1982-05-06 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von pyrazol
DE3712204A1 (de) * 1987-04-10 1988-10-27 Bayer Ag 3-halogenalkyl-1-aryl-pyrazole
DE3918979A1 (de) * 1989-06-10 1990-12-13 Basf Ag Verfahren zur herstellung von pyrazol und dessen derivaten

Also Published As

Publication number Publication date
HUT58703A (en) 1992-03-30
HU912892D0 (en) 1992-01-28
JPH04270268A (ja) 1992-09-25
DE59102161D1 (de) 1994-08-18
ATE108443T1 (de) 1994-07-15
US5128480A (en) 1992-07-07
EP0474037A1 (de) 1992-03-11
DK0474037T3 (da) 1994-08-15
CA2048456C (en) 2001-07-10
CA2048456A1 (en) 1992-03-08
HU209540B (en) 1994-07-28
ES2056537T3 (es) 1994-10-01
JP3009515B2 (ja) 2000-02-14
KR0174272B1 (ko) 1999-02-18
EP0474037B1 (de) 1994-07-13
DE4028393A1 (de) 1992-03-12

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