WO2006136287A1 - Verfahren zum herstellen von carboxamiden - Google Patents
Verfahren zum herstellen von carboxamiden Download PDFInfo
- Publication number
- WO2006136287A1 WO2006136287A1 PCT/EP2006/005435 EP2006005435W WO2006136287A1 WO 2006136287 A1 WO2006136287 A1 WO 2006136287A1 EP 2006005435 W EP2006005435 W EP 2006005435W WO 2006136287 A1 WO2006136287 A1 WO 2006136287A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alkyl
- alkoxy
- formula
- haloalkyl
- substituted
- Prior art date
Links
- 0 *c1cccc(N)c1 Chemical compound *c1cccc(N)c1 0.000 description 3
- GOFJDXZZHFNFLV-UHFFFAOYSA-N CC(C)CC(C)c(cccc1)c1NC(c(c(C)n[n]1C)c1F)=O Chemical compound CC(C)CC(C)c(cccc1)c1NC(c(c(C)n[n]1C)c1F)=O GOFJDXZZHFNFLV-UHFFFAOYSA-N 0.000 description 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
- C07D231/14—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 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
- C07D231/16—Halogen atoms or nitro radicals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
Definitions
- the present invention relates to a novel process for preparing known fungicidally effective 1,3-dimethyl-5-fluoro-1H-pyrazole-4-carboxamides from the corresponding acid fluoride and aniline derivatives in the absence of an acid acceptor.
- 1, 3-dimethyl-5-fluoro-1H-pyrazole-4-carboxamide is obtained by reacting the corresponding acid fluoride with the desired aniline derivative (cf EP-A 0 776 889).
- bicyclic tertiary amines such as diazabicyclooctane (DABCO), diazabicyclononene (DBN) or diazabicycloundecene (DBU) are preferably used as the acid acceptor.
- DABCO diazabicyclooctane
- DBN diazabicyclononene
- DBU diazabicycloundecene
- R is C 3 -C, 2 cycloalkyl, C3, 2 cycloalkenyl, C 6 -C 12 bicycloalkyl, C 2 -C 2 -Oxacycloalkyl, C 4 -C 12 -
- W 1 represents halogen, cyano, nitro, amino, hydroxy, C, -C 8 alkyl, C, -C 8 alkoxy, C, -C 8 alkylthio, C 1 - C 8 alkylsulfinyl, C] -C 8 Alkylsulfonyl, C 2 -C 6 alkenyl, C 2 -C 6 alkenyloxy; C] -C 6 -haloalkyl, C r C 6 haloalkoxy, C r C 6 haloalkylthio, C r C 6 -HaIogenalkylsuIfinyl or C] -C6 -HaIo- genalkylsulfonyl each having 1 to 13 identical or different halogen atoms; C 2 -C 0 -haloalkenyl or C 2 -C 6 -haloalkenyloxy having in each case 1 to 1 1 identical or different halogen atoms
- R 1 and R 2 are independently hydrogen, C r C 8 alkyl, CPCG-alkoxy, CPQ -alkoxy-Ci-C 4 - alkyl, -C 4 alkylthio-C, -C 4 alkyl or C 6 - Are haloalkyl,
- R 3 represents hydrogen, C, -C 8 alkyl, C, -C 8 alkoxy, C ⁇ -alkoxy-Ci-Q-alkyl, C r C 4 alkylthio-CrC 4 - alkyl, C 2 -C 8 alkenyl , C 2 -C 8 alkynyl, C, -C 6 haloalkyl, C 2 -C 6 haloalkenyl, C 2 -C 6 nalkinyl -Haloge-, C 3 -C 6 -cycloalkyl, or represents in each case optionally substituted phenyl or Phenylalkyl is available,
- the carboxamides of the formula (I) can be prepared under the conditions according to the invention with good yields in high purity and selectivity.
- Another advantage of the method according to the invention is that the work-up is simpler, since it dispenses with the use of an acid acceptor. The inventive method is thereby also more economical. In addition, the reaction time can be shortened.
- the 5-fluoro-1,3-dimethyl-1H-pyrazole-4-carboxylic acid fluoride of the formula (II) used as starting material in carrying out the process according to the invention is known (cf., EP-A 0 776 889).
- aniline derivatives which are furthermore used as starting materials in carrying out the process according to the invention are generally defined by the formula (III).
- R is preferably C 3 -C 8 -cycloalkyl, C 3 -C 8 -cycloalkenyl, C 6 -C
- R particularly preferably represents cyclopentyl, cyclohexyl, cycloheptyl, bicyclo [2.2.1] heptyl, or phenyl which is monosubstituted or substituted in the 4-position, may be the same or different in 3,4-, 2,3-, 2,4- or 3,5-substituted phenyl or phenyl substituted in trisubstituted by identical or different substituents in the 2,4,6-position, the substituents in each case being selected from the list W 1 , or unsubstituted C 1 -C 20 -alkyl (such as propyl, 1 -Methylethyl, butyl, 1-methylpropyl, 2-methylpropyl, 1, 1-dimethylethyl, n-pentyl, 1-methylbutyl, 2-methylbutyl, 3-methylbutyl, 1,2-dimethylpropyl, 1, 1-dimethylpropyl, 2,2 Dimethyl propyl, 1-eth
- W 1 is preferably fluorine, chlorine, bromine, methyl, ethyl, n- or i-propyl, n-, i-, s- or t-butyl, methoxy, ethoxy, n- or i-propoxy, trifluoromethyl, trifluoroethyl. Difluoromethoxy, trifluoromethoxy, difluorochloromethoxy, trifluoroethoxy. W 1 is particularly preferably fluorine, chlorine or bromine.
- R 1 and R 2 independently of one another preferably represent C r C 6 -alkyl, C 1 -C 6 -alkoxy, C 1 -C 3 -alkoxy-C r
- R 1 and R 2 independently of one another particularly preferably represent methyl, ethyl, methoxy, ethoxy, methoxymethyl, ethoxymethyl, methoxyethyl, ethoxyethyl, methylthiomethyl, ethylthio methyl, methylthioethyl or ethylthioethyl.
- R 1 and R 2 independently of one another very particularly preferably represent methyl, methoxy,
- R 1 and R 2 are particularly preferably each methyl.
- R 3 is preferably C r C 6 alkyl, C r C 6 alkoxy, Ci-C 3 alkoxy-C
- R 3 is particularly preferably methyl, ethyl, n- or iso-propyl, n-, sec-, iso- or tert-butyl, methoxy, ethoxy, n- or iso-propoxy, n-, sec-, iso- or tert-butoxy, methoxymethyl, ethoxymethyl, methoxyethyl, ethoxyethyl, methylthiomethyl, ethylthiomethyl, methylthioethyl, ethylthioethyl, cyclopropyl, phenyl or benzyl.
- R 3 very particularly preferably represents methyl, ethyl, n- or isopropyl, iso- or tert-butyl,
- R 3 is particularly preferably methyl.
- aniline derivatives of the formula (IH-2) are also preferred.
- aniline derivatives of the formula (IH-3) are also preferred.
- R has the meanings given above, used in the process according to the invention. Particular preference is given to using aniline derivatives of the formula (EQ-I).
- Aniline derivatives of the formula (EQ) or (EQ-I), (EQ-2) and (EQ-3) are known or can be prepared in a known manner (cf., EP-A 0 776 889, WO 03/010149 ).
- the process according to the invention can be carried out in the presence of a diluent.
- a diluent for this purpose, all inert organic solvents are suitable, preferably aliphatic, alicyclic or aromatic hydrocarbons, such as petroleum ether, hexane, heptane, cyclohexane, methylcyclohexane, benzene, toluene, xylene!
- halogenated hydrocarbons such as, for example, chlorobenzene, dichlorobenzene, dichloromethane, chloroform, carbon tetrachloride, dichloroethane or trichloroethane
- Ethers such as diethyl ether, diisopropyl ether, methyl t-butyl ether, methyl t-amyl ether, dioxane, tetrahydrofuran, 1, 2-dimethoxyethane, 1, 2-diethoxyethane or anisole
- Ketones such as acetone, butanone, methyl isobutyl ketone or cyclohexanone
- Nitriles such as acetonitrile, propionitrile, n- or i-butyronitrile or benzonitrile
- Amides such as N, N-dimethylformamide, N, N-dimethylacetamide, N-methylformanilide, N-methyl
- reaction temperatures can be varied within a substantial range when carrying out the process according to the invention. In general, one works at temperatures of 120 0 C to 15O 0 C, preferably at temperatures of 130 0 C to 140 0 C.
- 3-dimethyl-lH-pyrazole-4-carboxylic acid fluoride of the formula (H) is generally between 0.8 and 1.5 mol, preferably equimolar amounts of Aniline derivatives of the formula (EQ).
- the reaction time can be up to 10 hours, depending on the reactivity of the reactants, wherein the termination of the reaction at full conversion can also be done earlier. Preferred are reaction times of 5 hours.
- All processes according to the invention are generally carried out under normal pressure. However, it is also possible to work under elevated or reduced pressure, generally between 0.1 bar and 10 bar.
- the carboxamides of the formula (I) which can be prepared by the process according to the invention are valuable fungicides (cf., for example, WO 03/010149).
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020087001327A KR101336731B1 (ko) | 2005-06-18 | 2006-06-07 | 카복사미드의 제조방법 |
DK06754192T DK1902033T3 (da) | 2005-06-18 | 2006-06-07 | Fremgangsmåde til fremstilling af caboxamider |
AT06754192T ATE439348T1 (de) | 2005-06-18 | 2006-06-07 | Verfahren zum herstellen von carboxamiden |
JP2008516178A JP5007302B2 (ja) | 2005-06-18 | 2006-06-07 | カルボキサミド類の製造方法 |
US11/917,835 US7919632B2 (en) | 2005-06-18 | 2006-06-07 | Method for producing carboxamides |
BRPI0612982-0A BRPI0612982B1 (pt) | 2005-06-18 | 2006-06-07 | Processo para produzir carboxamidas |
EP06754192A EP1902033B1 (de) | 2005-06-18 | 2006-06-07 | Verfahren zum herstellen von carboxamiden |
CN2006800214752A CN101198593B (zh) | 2005-06-18 | 2006-06-07 | 制备甲酰胺的方法 |
DE502006004527T DE502006004527D1 (de) | 2005-06-18 | 2006-06-07 | Verfahren zum herstellen von carboxamiden |
IL188174A IL188174A (en) | 2005-06-18 | 2007-12-17 | Method for producing carboxamides |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005028293.8 | 2005-06-18 | ||
DE102005028293A DE102005028293A1 (de) | 2005-06-18 | 2005-06-18 | Verfahren zum Herstellen von Carboxamiden |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006136287A1 true WO2006136287A1 (de) | 2006-12-28 |
Family
ID=37000040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/005435 WO2006136287A1 (de) | 2005-06-18 | 2006-06-07 | Verfahren zum herstellen von carboxamiden |
Country Status (11)
Country | Link |
---|---|
US (1) | US7919632B2 (de) |
EP (1) | EP1902033B1 (de) |
JP (1) | JP5007302B2 (de) |
KR (1) | KR101336731B1 (de) |
CN (1) | CN101198593B (de) |
AT (1) | ATE439348T1 (de) |
BR (1) | BRPI0612982B1 (de) |
DE (2) | DE102005028293A1 (de) |
DK (1) | DK1902033T3 (de) |
IL (1) | IL188174A (de) |
WO (1) | WO2006136287A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2535334A1 (de) | 2011-06-17 | 2012-12-19 | Bayer CropScience AG | Kristalline Modifikationen von Penflufen |
WO2014076007A1 (en) * | 2012-11-13 | 2014-05-22 | Bayer Cropscience Ag | Method for producing carboxamides |
WO2015150302A1 (en) | 2014-04-01 | 2015-10-08 | Bayer Cropscience Ag | Process for the preparation of n-[3-(benzylcarbamoyl)phenyl]-1 h-pyrazole-5-carboxamides |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108358797A (zh) * | 2018-04-20 | 2018-08-03 | 南京农业大学 | 一种烷基甘氨酸的合成方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0776889A1 (de) * | 1995-12-01 | 1997-06-04 | Bayer Ag | Verfahren zur Herstellung von 1,3-Dimethyl-5-fluor-pyrazol-4-carboxaniliden |
WO2006092291A2 (de) * | 2005-03-02 | 2006-09-08 | Bayer Cropscience Aktiengesellschaft | Verfahren zum herstellen von alkylaniliden |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5136082A (en) * | 1990-08-03 | 1992-08-04 | Himont Incorporated | Process for preparing organic esters and amides and catalyst system therefor |
DE102005028294A1 (de) * | 2005-06-18 | 2006-12-21 | Bayer Cropscience Gmbh | Verfahren zum Herstellen von Carboxamiden |
-
2005
- 2005-06-18 DE DE102005028293A patent/DE102005028293A1/de not_active Withdrawn
-
2006
- 2006-06-07 KR KR1020087001327A patent/KR101336731B1/ko active IP Right Grant
- 2006-06-07 JP JP2008516178A patent/JP5007302B2/ja active Active
- 2006-06-07 EP EP06754192A patent/EP1902033B1/de active Active
- 2006-06-07 AT AT06754192T patent/ATE439348T1/de active
- 2006-06-07 WO PCT/EP2006/005435 patent/WO2006136287A1/de active Application Filing
- 2006-06-07 DK DK06754192T patent/DK1902033T3/da active
- 2006-06-07 CN CN2006800214752A patent/CN101198593B/zh active Active
- 2006-06-07 BR BRPI0612982-0A patent/BRPI0612982B1/pt active IP Right Grant
- 2006-06-07 US US11/917,835 patent/US7919632B2/en active Active
- 2006-06-07 DE DE502006004527T patent/DE502006004527D1/de active Active
-
2007
- 2007-12-17 IL IL188174A patent/IL188174A/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0776889A1 (de) * | 1995-12-01 | 1997-06-04 | Bayer Ag | Verfahren zur Herstellung von 1,3-Dimethyl-5-fluor-pyrazol-4-carboxaniliden |
WO2006092291A2 (de) * | 2005-03-02 | 2006-09-08 | Bayer Cropscience Aktiengesellschaft | Verfahren zum herstellen von alkylaniliden |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2535334A1 (de) | 2011-06-17 | 2012-12-19 | Bayer CropScience AG | Kristalline Modifikationen von Penflufen |
WO2014076007A1 (en) * | 2012-11-13 | 2014-05-22 | Bayer Cropscience Ag | Method for producing carboxamides |
US9656964B2 (en) | 2012-11-13 | 2017-05-23 | Bayer Cropscience Ag | Method for producing carboxamides |
WO2015150302A1 (en) | 2014-04-01 | 2015-10-08 | Bayer Cropscience Ag | Process for the preparation of n-[3-(benzylcarbamoyl)phenyl]-1 h-pyrazole-5-carboxamides |
Also Published As
Publication number | Publication date |
---|---|
JP2008546655A (ja) | 2008-12-25 |
CN101198593B (zh) | 2010-09-15 |
EP1902033A1 (de) | 2008-03-26 |
BRPI0612982A2 (pt) | 2010-12-14 |
DE502006004527D1 (de) | 2009-09-24 |
US20090054660A1 (en) | 2009-02-26 |
CN101198593A (zh) | 2008-06-11 |
KR101336731B1 (ko) | 2013-12-04 |
IL188174A0 (en) | 2008-03-20 |
US7919632B2 (en) | 2011-04-05 |
JP5007302B2 (ja) | 2012-08-22 |
IL188174A (en) | 2011-04-28 |
KR20080027846A (ko) | 2008-03-28 |
EP1902033B1 (de) | 2009-08-12 |
DE102005028293A1 (de) | 2007-01-04 |
DK1902033T3 (da) | 2009-11-09 |
BRPI0612982B1 (pt) | 2015-01-06 |
ATE439348T1 (de) | 2009-08-15 |
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