WO2006136288A1 - Verfahren zum herstellen von carboxamiden - Google Patents
Verfahren zum herstellen von carboxamiden Download PDFInfo
- Publication number
- WO2006136288A1 WO2006136288A1 PCT/EP2006/005436 EP2006005436W WO2006136288A1 WO 2006136288 A1 WO2006136288 A1 WO 2006136288A1 EP 2006005436 W EP2006005436 W EP 2006005436W WO 2006136288 A1 WO2006136288 A1 WO 2006136288A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alkyl
- alkoxy
- formula
- cycloalkyl
- halogen
- Prior art date
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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
- C07D231/14—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
Definitions
- the present invention relates to a novel process for the preparation of known fungicidally active 1,3-dimethyl-5-fluoro-4-carboxamides from the corresponding acid fluoride and aniline derivatives in the presence of alkylpyridine derivatives as 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-Ci2 cycloalkenyl, bicycloalkyl QrCi 2, C 2 -C 2 -Oxacycloalkyl, C 4 -C] 2 -Oxacycloalkenyl, C 3 -C 2 -Thiacycloalkyl, GrC] 2 -Thiacycloalkenyl, C 2 -C 2 -Azacy- cloalkyl, which may each be optionally mono- or polysubstituted by identical or different Ci-Cs-alkyl, Ci-Cg-alkoxy, halogen and / or cyano, or optionally monosubstituted or disubstituted phenyl, wherein the substituents are each selected from the list W 1 , or unsubstituted C 2 -C 2 o-alkyl, or mono- or polysubstituted by identical or different halo, Ci-C 6-
- W 1 represents halogen, cyano, nitro, amino, hydroxy, C, -C 8 alkyl, C, -C 8 alkoxy, C r C 8 alkylthio, CPCG-alkylsulfinyl, C -C alkylsulfonyl, C 2 -C 6 alkenyl, C 2 -C 6 alkenyloxy; C 1 -C 6 -HaIo- genalkyl, Ci-C 6 haloalkoxy, Ci-C6 haloalkylthio, Ci-C 6 haloalkylsulfinyl or CpC ö -haloalkylsulfonyl having in each case 1 to 13 identical or different halogen atoms; C 2 -C 6 -haloalkenyl or C 2 -C 6 -haloalkenyloxy having in each case 1 to 1 1 identical or different halogen atoms; C 3 -C 6 cycloal
- R 1 and R 2 independently of one another are hydrogen, C 1 -C 6 -alkyl, C 1 -C 8 -alkoxy, C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl, C 1 -C 4 -alkylthio-C 1 -C 4 -alkyl or C 1 -C 4 6 -haloalkyl,
- R 3 is hydrogen, C r C 8 alkyl, C r C 8 alkoxy, C r C 4 alkoxy-Ci-C 4 alkyl, C, -C 4 alkylthio C, -C 4 alkyl, C 2 -C 8 alkenyl, C 2 -C 8 alkynyl, C r C 6 haloalkyl, C 2 -C 6 haloalkenyl, C 2 -C 6 haloalkynyl, C 3 -C 6 cycloalkyl, or in each case optionally substituted phenyl or phenylalkyl,
- R 4 and R 5 are independently hydrogen or C r C 3 -alkyl
- the carboxamides of the formula (I) can be prepared under the conditions according to the invention by the choice of the acid acceptor of the formula (TV) with good yields in high purity and selectivity.
- a further advantage of the process according to the invention is that the acid acceptor of the formula (IV) used can be completely recovered. If, for example, 5-fluoro-l, 3-dimethyl-lH-pyrazole-4-carboxylic acid fluoride and 2- (l, 3-dimethyl-butyl) -phenylamine as starting materials and 2,6-dimethylpyridine as the acid acceptor, so the inventive method are illustrated by the following equation scheme:
- 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 0 bicycloalkyl, C 2 -C 7 -
- R is particularly preferably cyclopentyl, cyclohexyl, cycloheptyl, bicyclo [2.2.1] heptyl, or phenyl which is monosubstituted in the 4-position, may be the same or different, in 3,4-, 2,3-, 2,4- or -phenyl 3,5-position substituted phenyl or for triple, equal or different excreted in 2,4,6-position substituted phenyl wherein the substituents are each selected from the list W 1, or unsubstituted C 3 -C 0-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-dimethylpropyl, 1-ethylpropyl
- 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 are preferably C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, CpC 3 -
- R 1 and R 2 independently of one another particularly preferably represent methyl, ethyl, methoxy,
- 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, -C 6 alkyl, C r C 6 alkoxy, C, -C 3 alkoxy-Ci-C 3 alkyl, C 1 -C 3 -
- 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, ethylthio methyl, 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 (III-2) are also preferred.
- aniline derivatives of the formula (III-3) are also preferred.
- Aniline derivatives of the formula (DI) or (HI-I), ( ⁇ II-2) and (IH-3) are known or can be prepared in a known manner (cf., EP-A 0 776 889, WO 03/010149 ).
- the acid acceptors used in carrying out the process according to the invention are generally defined by the formula (TV).
- R 4 and R 5 independently of one another preferably represent methyl or ethyl. Particular preference is given to the following acid acceptors of the formula (IV): 2-methylpyridine, 2,3-dimethlypyridine, 2-methyl-5-ethylpyridine, 2,6-dimethylpyridine, 2,4-dimethylpyridine, 3,4-dimethylpyridine, 2,4 , 6-Trimethlypyridin.
- Acid acceptors of formula (FV) are known synthetic chemicals.
- the process according to the invention can be carried out in the presence of a diluent.
- Suitable for this purpose are all inert organic solvents, preferably aliphatic,. alicyclic or aromatic hydrocarbons, such as, for example, petroleum ether, hexane, heptane,
- 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 100 0 C to 150 0 C, preferably at temperatures of 120 0 C to 145 0 C.
- reaction time can be up to 30 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 10 to 20 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 (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT06743124T ATE519743T1 (de) | 2005-06-18 | 2006-06-07 | Verfahren zum herstellen von carboxamiden |
BRPI0612233-7A BRPI0612233A2 (pt) | 2005-06-18 | 2006-06-07 | processo para produção de carboxamidas |
EP06743124A EP1896423B1 (de) | 2005-06-18 | 2006-06-07 | Verfahren zum herstellen von carboxamiden |
CN2006800214663A CN101198592B (zh) | 2005-06-18 | 2006-06-07 | 制备甲酰胺的方法 |
JP2008516179A JP5007303B2 (ja) | 2005-06-18 | 2006-06-07 | カルボキサミド類の製造方法 |
US11/917,865 US7968728B2 (en) | 2005-06-18 | 2006-06-07 | Method for producing carboxamides |
KR1020087001112A KR101336728B1 (ko) | 2005-06-18 | 2006-06-07 | 카복사미드의 제조방법 |
DK06743124.7T DK1896423T3 (da) | 2005-06-18 | 2006-06-07 | Fremgangsmåde til fremstilling af carboxamider |
IL188173A IL188173A0 (en) | 2005-06-18 | 2007-12-17 | Method for producing carboxamides |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005028294.6 | 2005-06-18 | ||
DE102005028294A DE102005028294A1 (de) | 2005-06-18 | 2005-06-18 | Verfahren zum Herstellen von Carboxamiden |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006136288A1 true WO2006136288A1 (de) | 2006-12-28 |
Family
ID=36790867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/005436 WO2006136288A1 (de) | 2005-06-18 | 2006-06-07 | Verfahren zum herstellen von carboxamiden |
Country Status (11)
Country | Link |
---|---|
US (1) | US7968728B2 (de) |
EP (1) | EP1896423B1 (de) |
JP (1) | JP5007303B2 (de) |
KR (1) | KR101336728B1 (de) |
CN (1) | CN101198592B (de) |
AT (1) | ATE519743T1 (de) |
BR (1) | BRPI0612233A2 (de) |
DE (1) | DE102005028294A1 (de) |
DK (1) | DK1896423T3 (de) |
IL (1) | IL188173A0 (de) |
WO (1) | WO2006136288A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2535334A1 (de) | 2011-06-17 | 2012-12-19 | Bayer CropScience AG | Kristalline Modifikationen von Penflufen |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005028293A1 (de) * | 2005-06-18 | 2007-01-04 | Bayer Cropscience Gmbh | Verfahren zum Herstellen von Carboxamiden |
Citations (1)
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 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004059302A1 (de) * | 2004-12-09 | 2006-06-14 | Bayer Cropscience Gmbh | 3-Cyclopropyl-4-(3-amino-2-methylbenzoyl)pyrazole und ihre Verwendung als Herbizide |
-
2005
- 2005-06-18 DE DE102005028294A patent/DE102005028294A1/de not_active Withdrawn
-
2006
- 2006-06-07 KR KR1020087001112A patent/KR101336728B1/ko active IP Right Grant
- 2006-06-07 BR BRPI0612233-7A patent/BRPI0612233A2/pt not_active Application Discontinuation
- 2006-06-07 AT AT06743124T patent/ATE519743T1/de active
- 2006-06-07 EP EP06743124A patent/EP1896423B1/de not_active Not-in-force
- 2006-06-07 CN CN2006800214663A patent/CN101198592B/zh not_active Expired - Fee Related
- 2006-06-07 US US11/917,865 patent/US7968728B2/en not_active Expired - Fee Related
- 2006-06-07 JP JP2008516179A patent/JP5007303B2/ja not_active Expired - Fee Related
- 2006-06-07 DK DK06743124.7T patent/DK1896423T3/da active
- 2006-06-07 WO PCT/EP2006/005436 patent/WO2006136288A1/de active Application Filing
-
2007
- 2007-12-17 IL IL188173A patent/IL188173A0/en active IP Right Grant
Patent Citations (1)
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 |
Non-Patent Citations (1)
Title |
---|
ROBERT T. LALONDE, ET AL., JOURNAL OF ORGANIC CHEMISTRY, vol. 35, no. 3, 1970, pages 771 - 774, XP002395196 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2535334A1 (de) | 2011-06-17 | 2012-12-19 | Bayer CropScience AG | Kristalline Modifikationen von Penflufen |
Also Published As
Publication number | Publication date |
---|---|
DK1896423T3 (da) | 2011-11-28 |
CN101198592A (zh) | 2008-06-11 |
IL188173A0 (en) | 2008-03-20 |
US20090054661A1 (en) | 2009-02-26 |
KR20080027838A (ko) | 2008-03-28 |
JP5007303B2 (ja) | 2012-08-22 |
EP1896423B1 (de) | 2011-08-10 |
JP2008546656A (ja) | 2008-12-25 |
US7968728B2 (en) | 2011-06-28 |
ATE519743T1 (de) | 2011-08-15 |
DE102005028294A1 (de) | 2006-12-21 |
BRPI0612233A2 (pt) | 2010-10-26 |
EP1896423A1 (de) | 2008-03-12 |
CN101198592B (zh) | 2011-10-12 |
KR101336728B1 (ko) | 2013-12-04 |
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