ES2062181T3 - Procedimiento para la obtencion de pirazol y sus derivados. - Google Patents
Procedimiento para la obtencion de pirazol y sus derivados.Info
- Publication number
- ES2062181T3 ES2062181T3 ES90110517T ES90110517T ES2062181T3 ES 2062181 T3 ES2062181 T3 ES 2062181T3 ES 90110517 T ES90110517 T ES 90110517T ES 90110517 T ES90110517 T ES 90110517T ES 2062181 T3 ES2062181 T3 ES 2062181T3
- Authority
- ES
- Spain
- Prior art keywords
- derivatives
- procedure
- pirazole
- obtaining
- dehydrogenation
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 238000006356 dehydrogenation reaction Methods 0.000 abstract 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 abstract 1
- 229910052740 iodine Inorganic materials 0.000 abstract 1
- 239000011630 iodine Substances 0.000 abstract 1
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)
- Plural Heterocyclic Compounds (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)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Abstract
EL INVENTO SE REFIERE A UN PROCEDIMIENTO PARA OBTENER PIRAZOL Y SUS DERIVADOS A TRAVES DE LA DESHIDROGENACION DE 2-PIRAZOLINA Y SUS DERIVADOS. DICHO PROCEDIMIENTO SE CARACTERIZA PROQUE LA DESHIDROGENIZACION SE EFECTUA MEDIANTE ACIDO SULFURICO, EN PRESENCIA DE IODO O UN COMPUESTO DE IODO Y A UNA TEMPERATURA ENTRE 50 Y 250 C.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3918979A DE3918979A1 (de) | 1989-06-10 | 1989-06-10 | Verfahren zur herstellung von pyrazol und dessen derivaten |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2062181T3 true ES2062181T3 (es) | 1994-12-16 |
Family
ID=6382485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90110517T Expired - Lifetime ES2062181T3 (es) | 1989-06-10 | 1990-06-02 | Procedimiento para la obtencion de pirazol y sus derivados. |
Country Status (14)
Country | Link |
---|---|
US (1) | US4996327A (es) |
EP (1) | EP0402722B1 (es) |
JP (1) | JP2868588B2 (es) |
KR (2) | KR0140875B1 (es) |
AT (1) | ATE100799T1 (es) |
CA (1) | CA2018206C (es) |
CZ (1) | CZ279830B6 (es) |
DE (2) | DE3918979A1 (es) |
DK (1) | DK0402722T3 (es) |
ES (1) | ES2062181T3 (es) |
HU (1) | HU207299B (es) |
IL (1) | IL94559A (es) |
SK (1) | SK278414B6 (es) |
ZA (1) | ZA904430B (es) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4028393A1 (de) * | 1990-09-07 | 1992-03-12 | Basf Ag | Verfahren zur herstellung von 3-methylpyrazol |
JPH05156545A (ja) * | 1991-12-10 | 1993-06-22 | Takata Kk | ノンコート織布及びその製造方法 |
AU675447B2 (en) * | 1992-07-28 | 1997-02-06 | Merck Sharp & Dohme Limited | Carboxamidomethyl piperidine and analogues |
DE4328228A1 (de) * | 1993-08-23 | 1995-03-02 | Basf Ag | Verfahren zur Herstellung von Pyrazol und dessen Derivaten |
DE4415484A1 (de) * | 1994-05-03 | 1995-11-09 | Basf Ag | Verfahren zur Herstellung von 1-(Het)aryl-3-hydroxy-pyrazolen |
US5510361A (en) * | 1994-10-20 | 1996-04-23 | The Procter & Gamble Company | Di-tert-butylphenol compounds with heterocyclic moiety, useful as anti-inflammatory agents |
DE19500838A1 (de) * | 1995-01-13 | 1996-07-18 | Basf Ag | Verfahren zur Herstellung von 3,5-Diarylpyrazolen |
DE19645313A1 (de) | 1996-11-04 | 1998-05-07 | Basf Ag | Substituierte 3-Benzylpyrazole |
IL133464A (en) * | 1997-06-23 | 2004-03-28 | Basf Ag | Method to create converted pyrazoles |
KR20080000660A (ko) | 2005-04-21 | 2008-01-02 | 오르펀 메디칼, 인크. | 초순수 4-메틸피라졸의 제조 방법 |
US8410135B2 (en) * | 2007-06-15 | 2013-04-02 | Solvay Pharmaceuticals B.V. | 4,5 dihydro-(1H)-pyrazole derivatives as cannabinoid CB1 receptor modulators |
WO2009131886A1 (en) * | 2008-04-21 | 2009-10-29 | Albemarle Corporation | Processes for producing n-alkylpyrazole |
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 |
CN102399189B (zh) * | 2011-11-29 | 2014-12-31 | 上虞盛晖化工股份有限公司 | 一种3,4-二甲基吡唑磷酸盐的合成方法 |
CN102558057B (zh) * | 2012-01-16 | 2014-04-02 | 兰州大学 | 多取代吡唑制备方法 |
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 |
CN106316956A (zh) * | 2015-07-02 | 2017-01-11 | 胡梓国 | 吡唑的工业生产方法 |
CN105153036A (zh) * | 2015-09-28 | 2015-12-16 | 乐平市康鑫医药化工有限公司 | 丙烯醛固定床反应制备吡唑的方法 |
Family Cites Families (4)
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 |
DE3603376A1 (de) * | 1986-02-05 | 1987-08-06 | Basf Ag | Verfahren zur herstellung von pyrazolen |
DE3716293A1 (de) * | 1987-05-15 | 1988-11-24 | Basf Ag | Verfahren zur herstellung von pyrazolen |
-
1989
- 1989-06-10 DE DE3918979A patent/DE3918979A1/de not_active Withdrawn
-
1990
- 1990-05-29 IL IL9455990A patent/IL94559A/en unknown
- 1990-06-02 ES ES90110517T patent/ES2062181T3/es not_active Expired - Lifetime
- 1990-06-02 DK DK90110517.1T patent/DK0402722T3/da active
- 1990-06-02 AT AT90110517T patent/ATE100799T1/de not_active IP Right Cessation
- 1990-06-02 DE DE90110517T patent/DE59004384D1/de not_active Expired - Lifetime
- 1990-06-02 EP EP90110517A patent/EP0402722B1/de not_active Expired - Lifetime
- 1990-06-04 CA CA002018206A patent/CA2018206C/en not_active Expired - Lifetime
- 1990-06-07 US US07/534,270 patent/US4996327A/en not_active Expired - Lifetime
- 1990-06-08 JP JP2148891A patent/JP2868588B2/ja not_active Expired - Lifetime
- 1990-06-08 HU HU903775A patent/HU207299B/hu unknown
- 1990-06-08 KR KR1019900008384A patent/KR0140875B1/ko active
- 1990-06-08 KR KR1019900008384A patent/KR910000653A/ko not_active IP Right Cessation
- 1990-06-08 SK SK2862-90A patent/SK278414B6/sk not_active IP Right Cessation
- 1990-06-08 ZA ZA904430A patent/ZA904430B/xx unknown
- 1990-06-08 CZ CS902862A patent/CZ279830B6/cs unknown
Also Published As
Publication number | Publication date |
---|---|
HU903775D0 (en) | 1990-11-28 |
CZ279830B6 (cs) | 1995-07-12 |
HU207299B (en) | 1993-03-29 |
KR0140875B1 (ko) | 1998-06-01 |
SK286290A3 (en) | 1997-04-09 |
ZA904430B (en) | 1992-02-26 |
CZ286290A3 (en) | 1995-03-15 |
EP0402722A1 (de) | 1990-12-19 |
KR910000653A (ko) | 1991-01-29 |
DE3918979A1 (de) | 1990-12-13 |
DK0402722T3 (da) | 1994-02-28 |
IL94559A0 (en) | 1991-03-10 |
SK278414B6 (en) | 1997-04-09 |
ATE100799T1 (de) | 1994-02-15 |
HUT54349A (en) | 1991-02-28 |
IL94559A (en) | 1994-02-27 |
CA2018206C (en) | 2000-02-29 |
CA2018206A1 (en) | 1990-12-10 |
US4996327A (en) | 1991-02-26 |
DE59004384D1 (de) | 1994-03-10 |
EP0402722B1 (de) | 1994-01-26 |
JPH03115265A (ja) | 1991-05-16 |
JP2868588B2 (ja) | 1999-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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