WO2003099791A1 - Verfahren zur herstellung von 4-haloalkylnicotinsäureamiden - Google Patents
Verfahren zur herstellung von 4-haloalkylnicotinsäureamiden Download PDFInfo
- Publication number
- WO2003099791A1 WO2003099791A1 PCT/EP2003/004869 EP0304869W WO03099791A1 WO 2003099791 A1 WO2003099791 A1 WO 2003099791A1 EP 0304869 W EP0304869 W EP 0304869W WO 03099791 A1 WO03099791 A1 WO 03099791A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- haloalkyl
- formula
- acid
- iii
- nicotinic acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/81—Amides; Imides
- C07D213/82—Amides; Imides in position 3
Definitions
- the invention relates to a process for the preparation of 4-haloalkylnicotinamides.
- 4-Haloalkylnicotin yarn are useful starting materials for the production of pesticides, as described for example in WO-A 98/57 969, EP-A 0 580 374 and WO-A 01/70692.
- These compounds can be prepared in two stages from 4-haloalkylnicotinic acids, the synthesis of which is described, for example, in EP-A 0 744400, or by saponification of 4-haloalkylnicotinic acid nitriles, see e.g. WO-A 02/048111.
- the invention therefore relates to a process for the preparation of 4-haloalkylnicotinamides of the formula (I),
- R 1 means (CC 4 ) -haloalkyl, one or more 3 - ((CrC 4 ) -haloalkyl-3-oxo-1-alkenylamino) nitriles of the formula
- R 1 -C (0) -CH CH-NH-CH (ZR 2 ) -CH 2 -CN (III)
- R 1 -C (0) -CH CH-NH-CH (Hal) -CH 2 -CN (IV) wherein R 1 has the meanings given above; R 2 is the same or different (Ci-C ⁇ ) alkyl and Z is the same or different O, S or NR 1 ,
- the process according to the invention allows the production of the nicotinamide derivatives (I) from the nitrile derivatives (II-IV) in only one step and is also particularly simple to carry out. This is particularly surprising, since it is known that the hydrolysis of 4-trifluoromethylnicotinitrile to the amide takes place only when heated to 120-140 ° C. for 8 h in concentrated H 2 S0.
- (-C-C) -Haloalkyl is an alkyl group in which one or more hydrogen atoms are replaced by the same number of identical or different halogen atoms, preferably chlorine or fluorine, such as the trifluoromethyl, the 1-fluoroethyl, the 2,2,2-trifluoroethyl, the chloromethyl, fluoromethyl, the difluoromethyl and the 1, 1, 2,2-tetrafluoroethyl group.
- R 1 is preferably CF 2 H, CFCI 2 , CF 2 CI, CF 3 , C 2 F 5 or C 3 F 7 , particularly preferred
- R 2 is preferably (CC 4 ) alkyl, such as methyl, ethyl, n-propyl, i-propyl, n-butyl, i-
- Z is preferably O or NR 1 .
- Shark means F, Cl, Br or I, preferably Cl or Br.
- the starting materials 3- (haloalkyl-3-oxo-1-alkenylamino) acrylonitrile derivatives (II) or enamines of the formulas (III) and (IV), are known and can be prepared, for example, as described in WO-A 02/048111 .
- the cyclization to the 4-haloalkylnicotamic acid amides (I) takes place in the presence of a strong acid, preferably with a pKa value of less than 0.5.
- a strong acid preferably with a pKa value of less than 0.5.
- the transformation of the nitrile group also takes place.
- Particularly preferred acids are H 2 S0, SO 3 , oleum, phosphoric acid, polyphosphoric acids, perfluoroalkanesulfonic acids, such as trifluoromethylsulfonic acid, methanesulfonic acid and p-toluenesulfonic acid, H 2 SO and polyphosphoric acid are very particularly preferred, H 2 S0 4 being particularly preferred.
- Mixtures of acids can also be used.
- the ratio of the compound (s) (II), (III) and / or (IV) to acid can vary widely depending on the compound used, acid and other reaction conditions.
- the amount of the acid used is 4 to 30, preferably 6 to 15 parts by weight per part by weight of compound (II) - (IV).
- the reaction temperature can vary within wide limits depending on the compound used and the other reaction conditions. Generally, it is in the range of 0 ° C to + 40 ° C, and the reaction time is usually 0.1 to 6 hours, preferably 3 to 5 hours.
- reaction conditions also vary in a manner familiar to the person skilled in the art, depending on whether a compound of the formula (II), (III) or (IV) is used.
- the reaction can be carried out in a solvent.
- the components (II-IV) and the acid can be introduced separately in the solvent and these solutions / suspensions can be reacted together, or one of the Components are placed in the solvent and the other component is added.
- Halogenated hydrocarbons such as methylene chloride or chloroform
- ethers such as diethyl ether or diisopropyl ether
- SO 2 are preferred as solvents.
- the amount of solvent used can vary within wide limits and depends, for example, on the starting material used. It is generally up to 30, preferably 6 to 15 parts by weight per part by weight of compound (II) - (IV).
- Working up can be carried out by known methods known to those skilled in the art, for example by dilution with water and filtration or extraction of the product.
- cyclization reagent eg S0 3 , oleum, concentrated H 2 S0
- an aqueous workup is absolutely necessary in order to release and isolate the amide from its precursor, if necessary.
- the compound (I), especially 4-trifluoromethylnicotinamide finds e.g. as an intermediate in the manufacture of crop protection agents, in particular pesticides, such as insecticides.
- the invention also relates to a process for the preparation of insecticidally active 4-haloalkyl, in particular 4-trifluoromethylnicotinic acid derivatives according to WO-A 98/57969, EP-A 0 580 374 and / or WO-A 01/70692, the processes described above Compounds of formula (I) produces this a ring closure reaction subjects, if necessary saponified and further converted to the insecticidally active end compounds by the processes described in the cited documents.
- reaction mixture was poured onto 300 g of ice, the pH was adjusted to 3-4 with 40% by weight NaOH and the product was extracted with ethyl acetate. The solvent was removed in vacuo.
- Example No. 3 4-difluoromethylnicotinamide The procedure was as described in Example 1, but instead of N- (2-cyanovinyl) - 4,4,4-trifluoro-3-keto-1-butenylamine, N- (2-cyanovinyl) - 4,4, -difluoro- 3-keto-1-butenylamine. Yield 65%. Mp: 124-125 ° C.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR0311246-2A BR0311246A (pt) | 2002-05-24 | 2003-05-09 | Processo para produção de amidas de ácido 4-haloalquilnicotìnico |
JP2004507448A JP2005535595A (ja) | 2002-05-24 | 2003-05-09 | 4−ハロアルキルニコチン酸アミドの製造 |
EP03755096A EP1511731A1 (de) | 2002-05-24 | 2003-05-09 | Verfahren zur herstellung von 4-haloalkylnicotins ureamiden |
AU2003242532A AU2003242532A1 (en) | 2002-05-24 | 2003-05-09 | Method for producing 4-haloalkyl nicotinic acid amides |
KR10-2004-7018970A KR20050004218A (ko) | 2002-05-24 | 2003-05-09 | 4-할로알킬니코틴아마이드의 제조방법 |
IL16535603A IL165356A0 (en) | 2002-05-24 | 2003-05-09 | Preparation of 4-haloalkylkylnicotinamides |
MXPA04011622A MXPA04011622A (es) | 2002-05-24 | 2003-05-09 | Metodo para producir amidas del acido 4-haloaquilnicotinico. |
US10/515,507 US7317105B2 (en) | 2002-05-24 | 2003-05-09 | Preparation of 4-haloalkylnicotinamides |
ZA2004/08769A ZA200408769B (en) | 2002-05-24 | 2004-10-29 | Method for producing 4-haloalkyl nicotinic acid amides |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10223274.1 | 2002-05-24 | ||
DE10223274A DE10223274A1 (de) | 2002-05-24 | 2002-05-24 | Verfahren zur Herstellung von 4-Haloalkylnicotinsäureamiden |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003099791A1 true WO2003099791A1 (de) | 2003-12-04 |
Family
ID=29414153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/004869 WO2003099791A1 (de) | 2002-05-24 | 2003-05-09 | Verfahren zur herstellung von 4-haloalkylnicotinsäureamiden |
Country Status (13)
Country | Link |
---|---|
US (1) | US7317105B2 (de) |
EP (1) | EP1511731A1 (de) |
JP (1) | JP2005535595A (de) |
KR (1) | KR20050004218A (de) |
CN (1) | CN1310888C (de) |
AU (1) | AU2003242532A1 (de) |
BR (1) | BR0311246A (de) |
DE (1) | DE10223274A1 (de) |
IL (1) | IL165356A0 (de) |
MX (1) | MXPA04011622A (de) |
TW (1) | TW200306977A (de) |
WO (1) | WO2003099791A1 (de) |
ZA (1) | ZA200408769B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113816901B (zh) * | 2021-08-27 | 2023-08-15 | 淮北龙溪生物科技有限公司 | 一种4-三氟甲基烟酰胺的合成方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0744400A2 (de) * | 1995-05-26 | 1996-11-27 | Ishihara Sangyo Kaisha, Ltd. | Verfahren zur Herstellung von 4-Trifluormethylnicotinsäure |
WO2002048111A2 (de) * | 2000-12-13 | 2002-06-20 | Bayer Cropscience Gmbh | Verfahren zur herstellung von 4-haloalkylnicotinnitrilen |
WO2003044013A1 (en) * | 2001-11-21 | 2003-05-30 | Sankyo Agro Company, Limited | N-heteroarylnicotinamide derivatives |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2994182B2 (ja) | 1992-07-23 | 1999-12-27 | 石原産業株式会社 | アミド系化合物又はその塩、それらの製造方法及びそれらを含有する有害動物防除剤 |
DE19725450A1 (de) * | 1997-06-16 | 1998-12-17 | Hoechst Schering Agrevo Gmbh | 4-Haloalkyl-3-heterocyclylpyridine und 4-Haloalkyl-5-heterocyclylpyrimidine, Verfahren zu ihrer Herstellung, sie enthaltende Mittel und ihre Verwendung als Schädlingsbekämpfungsmittel |
HUP0300406A3 (en) * | 2000-03-22 | 2003-10-28 | Bayer Cropscience Gmbh | Heterocyclic acylsulfimides, a method for their production, compositions containing them and their use as pesticides |
-
2002
- 2002-05-24 DE DE10223274A patent/DE10223274A1/de not_active Withdrawn
-
2003
- 2003-05-09 AU AU2003242532A patent/AU2003242532A1/en not_active Abandoned
- 2003-05-09 JP JP2004507448A patent/JP2005535595A/ja active Pending
- 2003-05-09 CN CNB03811819XA patent/CN1310888C/zh not_active Expired - Fee Related
- 2003-05-09 WO PCT/EP2003/004869 patent/WO2003099791A1/de active Application Filing
- 2003-05-09 US US10/515,507 patent/US7317105B2/en not_active Expired - Fee Related
- 2003-05-09 MX MXPA04011622A patent/MXPA04011622A/es unknown
- 2003-05-09 EP EP03755096A patent/EP1511731A1/de not_active Withdrawn
- 2003-05-09 KR KR10-2004-7018970A patent/KR20050004218A/ko not_active Application Discontinuation
- 2003-05-09 BR BR0311246-2A patent/BR0311246A/pt not_active IP Right Cessation
- 2003-05-09 IL IL16535603A patent/IL165356A0/xx unknown
- 2003-05-22 TW TW092113886A patent/TW200306977A/zh unknown
-
2004
- 2004-10-29 ZA ZA2004/08769A patent/ZA200408769B/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0744400A2 (de) * | 1995-05-26 | 1996-11-27 | Ishihara Sangyo Kaisha, Ltd. | Verfahren zur Herstellung von 4-Trifluormethylnicotinsäure |
WO2002048111A2 (de) * | 2000-12-13 | 2002-06-20 | Bayer Cropscience Gmbh | Verfahren zur herstellung von 4-haloalkylnicotinnitrilen |
WO2003044013A1 (en) * | 2001-11-21 | 2003-05-30 | Sankyo Agro Company, Limited | N-heteroarylnicotinamide derivatives |
Also Published As
Publication number | Publication date |
---|---|
TW200306977A (en) | 2003-12-01 |
US7317105B2 (en) | 2008-01-08 |
BR0311246A (pt) | 2005-03-15 |
CN1310888C (zh) | 2007-04-18 |
ZA200408769B (en) | 2005-12-28 |
US20060100217A9 (en) | 2006-05-11 |
AU2003242532A1 (en) | 2003-12-12 |
JP2005535595A (ja) | 2005-11-24 |
DE10223274A1 (de) | 2003-12-04 |
EP1511731A1 (de) | 2005-03-09 |
US20050176734A1 (en) | 2005-08-11 |
IL165356A0 (en) | 2006-01-15 |
KR20050004218A (ko) | 2005-01-12 |
CN1656074A (zh) | 2005-08-17 |
MXPA04011622A (es) | 2005-03-07 |
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