ZA985405B - The preparation of substituted pyrazoles. - Google Patents

The preparation of substituted pyrazoles.

Info

Publication number
ZA985405B
ZA985405B ZA9805405A ZA985405A ZA985405B ZA 985405 B ZA985405 B ZA 985405B ZA 9805405 A ZA9805405 A ZA 9805405A ZA 985405 A ZA985405 A ZA 985405A ZA 985405 B ZA985405 B ZA 985405B
Authority
ZA
South Africa
Prior art keywords
preparation
substituted pyrazoles
iodine
ch2r3
hydrazine
Prior art date
Application number
ZA9805405A
Other languages
English (en)
Inventor
Hans Rupert Merkle
Erich Fretschner
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of ZA985405B publication Critical patent/ZA985405B/xx

Links

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ZA9805405A 1997-06-23 1998-06-22 The preparation of substituted pyrazoles. ZA985405B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19726573 1997-06-23

Publications (1)

Publication Number Publication Date
ZA985405B true ZA985405B (en) 2000-01-10

Family

ID=7833358

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9805405A ZA985405B (en) 1997-06-23 1998-06-22 The preparation of substituted pyrazoles.

Country Status (19)

Country Link
US (1) US6229022B1 (fr)
EP (1) EP1021416B1 (fr)
JP (1) JP4482162B2 (fr)
KR (1) KR100529681B1 (fr)
CN (1) CN1154637C (fr)
AT (1) ATE267173T1 (fr)
AU (1) AU9141998A (fr)
CA (1) CA2294023C (fr)
CZ (1) CZ297590B6 (fr)
DE (1) DE59811432D1 (fr)
DK (1) DK1021416T3 (fr)
ES (1) ES2219935T3 (fr)
HU (1) HU225018B1 (fr)
IL (1) IL133464A (fr)
RU (1) RU2192418C2 (fr)
SK (1) SK284454B6 (fr)
UA (1) UA59402C2 (fr)
WO (1) WO1998058914A1 (fr)
ZA (1) ZA985405B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2006240490A1 (en) * 2005-04-21 2006-11-02 Paladin Labs (Barbados) Inc. Process for the preparation of ultrapure 4-methylprazole
US7446167B2 (en) * 2006-04-13 2008-11-04 Fina Technology, Inc. Catalyst deactivation agents and methods for use of same
KR101005834B1 (ko) * 2008-08-04 2011-01-05 이화여자대학교 산학협력단 피라졸의 제조방법
CN102311388B (zh) * 2011-07-07 2013-05-22 林文斌 一种工业化生产3,4-二甲基吡唑及其磷酸盐的方法
CN102911119B (zh) * 2012-09-30 2015-06-17 浙江工业大学 3,4-二甲基吡唑和3,4-二甲基吡唑磷酸盐的制备方法
CN102977026A (zh) * 2012-11-29 2013-03-20 郑州大明药物科技有限公司 4-甲基吡唑的制备方法
DE102017201608A1 (de) 2017-02-01 2018-08-02 Eurochem Agro Gmbh 3,4-Dimethylpyrazol enthaltende Mischung und ihre Verwendung
WO2018197433A1 (fr) 2017-04-24 2018-11-01 Eurochem Agro Gmbh Procédé et composition d'amélioration de l'acquisition de nutriments des végétaux
CN107089950B (zh) * 2017-06-16 2019-12-24 河南师范大学 一种由非环酮腙合成4-酰基吡唑类化合物的方法
CN107141258B (zh) * 2017-06-16 2019-12-06 河南师范大学 一种由环酮腙合成侧链官能团化4-酰基吡唑类化合物的方法
CN109651252A (zh) * 2019-01-11 2019-04-19 中化农业（临沂）研发中心有限公司 制备3,4-二甲基吡唑及其磷酸盐和金属有机配合物的方法
CN114181149B (zh) * 2021-12-30 2024-04-02 浙江本立科技股份有限公司 一种3，4-二甲基吡唑的合成方法
WO2024099948A1 (fr) 2022-11-07 2024-05-16 Basf Se Utilisation de phosphate de diméthylpyrazole dans des engrais de type can

Family Cites Families (8)

* 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
DE3035395A1 (de) 1980-09-19 1982-05-06 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von pyrazol
DE3035394A1 (de) 1980-09-19 1982-05-06 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von pyrazol
DE3209148A1 (de) 1982-03-13 1983-09-22 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von pyrazolen durch katalytische dehydrierung von pyrazolinen
DE3415385A1 (de) 1984-04-25 1985-11-07 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von pyrazolen
DE3918979A1 (de) * 1989-06-10 1990-12-13 Basf Ag Verfahren zur herstellung von pyrazol und dessen derivaten
DE4028393A1 (de) * 1990-09-07 1992-03-12 Basf Ag Verfahren zur herstellung von 3-methylpyrazol
DE4328228A1 (de) * 1993-08-23 1995-03-02 Basf Ag Verfahren zur Herstellung von Pyrazol und dessen Derivaten

Also Published As

Publication number Publication date
SK173199A3 (en) 2000-07-11
ATE267173T1 (de) 2004-06-15
ES2219935T3 (es) 2004-12-01
CZ461499A3 (cs) 2000-04-12
IL133464A (en) 2004-03-28
EP1021416B1 (fr) 2004-05-19
EP1021416A1 (fr) 2000-07-26
HUP0002748A2 (hu) 2000-12-28
US6229022B1 (en) 2001-05-08
CZ297590B6 (cs) 2007-02-07
JP4482162B2 (ja) 2010-06-16
JP2002504918A (ja) 2002-02-12
RU2192418C2 (ru) 2002-11-10
AU9141998A (en) 1999-01-04
CN1154637C (zh) 2004-06-23
HU225018B1 (hu) 2006-05-29
CN1261351A (zh) 2000-07-26
KR100529681B1 (ko) 2005-11-21
UA59402C2 (uk) 2003-09-15
DK1021416T3 (da) 2004-09-27
KR20010014084A (ko) 2001-02-26
HUP0002748A3 (en) 2001-08-28
DE59811432D1 (de) 2004-06-24
WO1998058914A1 (fr) 1998-12-30
SK284454B6 (sk) 2005-04-01
IL133464A0 (en) 2001-04-30
CA2294023A1 (fr) 1998-12-30
CA2294023C (fr) 2007-07-31

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