DK1746089T3 - Fremgangsmåde til fremstilling af 2-cyanopyridinderivater - Google Patents
Fremgangsmåde til fremstilling af 2-cyanopyridinderivater Download PDFInfo
- Publication number
- DK1746089T3 DK1746089T3 DK06120806.2T DK06120806T DK1746089T3 DK 1746089 T3 DK1746089 T3 DK 1746089T3 DK 06120806 T DK06120806 T DK 06120806T DK 1746089 T3 DK1746089 T3 DK 1746089T3
- Authority
- DK
- Denmark
- Prior art keywords
- cyanide
- process according
- salt
- halogen
- catalyst
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 40
- 238000002360 preparation method Methods 0.000 title claims description 11
- FFNVQNRYTPFDDP-UHFFFAOYSA-N 2-cyanopyridine Chemical class N#CC1=CC=CC=N1 FFNVQNRYTPFDDP-UHFFFAOYSA-N 0.000 title description 5
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical group 0.000 claims description 8
- -1 alkali metal cyanide Chemical class 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 6
- 125000001188 haloalkyl group Chemical group 0.000 claims description 6
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical group [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- GDSROTVTTLUHCO-UHFFFAOYSA-N 3-chloro-2-fluoro-5-(trifluoromethyl)pyridine Chemical compound FC1=NC=C(C(F)(F)F)C=C1Cl GDSROTVTTLUHCO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical group [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 claims description 5
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 4
- 125000004390 alkyl sulfonyl group Chemical group 0.000 claims description 4
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 3
- 239000003444 phase transfer catalyst Substances 0.000 claims description 3
- QBVXKDJEZKEASM-UHFFFAOYSA-M tetraoctylammonium bromide Chemical compound [Br-].CCCCCCCC[N+](CCCCCCCC)(CCCCCCCC)CCCCCCCC QBVXKDJEZKEASM-UHFFFAOYSA-M 0.000 claims description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- ICAIHGOJRDCMHE-UHFFFAOYSA-O ammonium cyanide Chemical class [NH4+].N#[C-] ICAIHGOJRDCMHE-UHFFFAOYSA-O 0.000 claims description 2
- 239000003125 aqueous solvent Substances 0.000 claims description 2
- 150000005621 tetraalkylammonium salts Chemical group 0.000 claims description 2
- 125000005497 tetraalkylphosphonium group Chemical group 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 238000007333 cyanation reaction Methods 0.000 description 6
- FUPKVFJSGNZICR-UHFFFAOYSA-N 3-chloro-5-(trifluoromethyl)pyridine-2-carbonitrile Chemical compound FC(F)(F)C1=CN=C(C#N)C(Cl)=C1 FUPKVFJSGNZICR-UHFFFAOYSA-N 0.000 description 4
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- 239000002798 polar solvent Substances 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229960001760 dimethyl sulfoxide Drugs 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- XGLVDUUYFKXKPL-UHFFFAOYSA-N 2-(2-methoxyethoxy)-n,n-bis[2-(2-methoxyethoxy)ethyl]ethanamine Chemical compound COCCOCCN(CCOCCOC)CCOCCOC XGLVDUUYFKXKPL-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- ILVXOBCQQYKLDS-UHFFFAOYSA-N pyridine N-oxide Chemical class [O-][N+]1=CC=CC=C1 ILVXOBCQQYKLDS-UHFFFAOYSA-N 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000012258 stirred mixture Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- FQLNIJUFWMYMST-UHFFFAOYSA-N 2-pyrimidin-2-ylprop-2-enoic acid Chemical class OC(=O)C(=C)C1=NC=CC=N1 FQLNIJUFWMYMST-UHFFFAOYSA-N 0.000 description 1
- CXRFDZFCGOPDTD-UHFFFAOYSA-M Cetrimide Chemical compound [Br-].CCCCCCCCCCCCCC[N+](C)(C)C CXRFDZFCGOPDTD-UHFFFAOYSA-M 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- OKIZCWYLBDKLSU-UHFFFAOYSA-M N,N,N-Trimethylmethanaminium chloride Chemical compound [Cl-].C[N+](C)(C)C OKIZCWYLBDKLSU-UHFFFAOYSA-M 0.000 description 1
- 125000002015 acyclic group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- KXHPPCXNWTUNSB-UHFFFAOYSA-M benzyl(trimethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CC1=CC=CC=C1 KXHPPCXNWTUNSB-UHFFFAOYSA-M 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- DOBRDRYODQBAMW-UHFFFAOYSA-N copper(i) cyanide Chemical compound [Cu+].N#[C-] DOBRDRYODQBAMW-UHFFFAOYSA-N 0.000 description 1
- 150000003983 crown ethers Chemical class 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- DDXLVDQZPFLQMZ-UHFFFAOYSA-M dodecyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)C DDXLVDQZPFLQMZ-UHFFFAOYSA-M 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- NLEUXPOVZGDKJI-UHFFFAOYSA-N nickel(2+);dicyanide Chemical compound [Ni+2].N#[C-].N#[C-] NLEUXPOVZGDKJI-UHFFFAOYSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 description 1
- RKHXQBLJXBGEKF-UHFFFAOYSA-M tetrabutylphosphanium;bromide Chemical compound [Br-].CCCC[P+](CCCC)(CCCC)CCCC RKHXQBLJXBGEKF-UHFFFAOYSA-M 0.000 description 1
- BRKFQVAOMSWFDU-UHFFFAOYSA-M tetraphenylphosphanium;bromide Chemical compound [Br-].C1=CC=CC=C1[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 BRKFQVAOMSWFDU-UHFFFAOYSA-M 0.000 description 1
- BGQMOFGZRJUORO-UHFFFAOYSA-M tetrapropylammonium bromide Chemical compound [Br-].CCC[N+](CCC)(CCC)CCC BGQMOFGZRJUORO-UHFFFAOYSA-M 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
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
- C07D213/24—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/26—Radicals substituted by halogen atoms or nitro radicals
-
- 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
- C07D213/61—Halogen atoms or nitro radicals
-
- 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
- C07D213/84—Nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Claims (12)
1. Fremgangsmåde til fremstillling af en forbindelse med generel formel (II)
(Π) eller et salt deraf, hvilken fremgangsmåde omfatter behandling af en forbindelse med generel formel (III):
(ΙΠ) eller et salt deraf med en cyanidkilde, der er udvalgt blandt hydrogencyanid, et alkalimetalcyanid, et jordalkalimetalcyanid eller et eventuelt substitueret ammoniumcyanid; og en faseoverførselskatalysator; i et vandigt opløsningsmiddel eller uden opløsningsmiddel, hvor X er halogen; hvert Y, som kan være ens eller forskellige, er halogen, haloalkyl, alkoxycarbonyl eller alkylsulfonyl; n er 0 til 3.
2. Fremgangsmåde ifølge krav 1, hvor X er chlor.
3. Fremgangsmåde ifølge krav 1 eller 2, hvor Y er halogen eller haloalkyl.
4. Fremgangsmåde ifølge krav 3, hvor Y er trifluormethyl.
5. Fremgangsmåde ifølge krav 4, hvor forbindelsen med formel (III) er 3-chlor-2-fluor-5-trifluormethylpyridin.
6. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 5, hvor katalysatoren er et tetraalkylammoniumsalt eller et tetrraalkylphosphoniumsalt.
7. Fremgangsmåde ifølge krav 6, hvor katalysatoren er udvalgt blandt tricaprylylmethylammoniumchlorid og tetra-n-octylammoniumbromid.
8. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 7, hvor den anvendte mængde af katalysator er fra 0,01 til 10 mol-%.
9. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 8, hvor cyanidkilden er kaliumcyanid.
10. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 9, hvor den anvendte mængde af cyanidkilde er fra 1,0 til 2,0 molækvivalenter.
11. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 10, hvor opløsningsmidlet er vand.
12. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 11, hvor temperaturen er fra 10 til 60 °C.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0021066A GB0021066D0 (en) | 2000-08-25 | 2000-08-25 | Novel process |
| GB0025616A GB0025616D0 (en) | 2000-10-19 | 2000-10-19 | Novel process |
| EP01420128A EP1199305A1 (en) | 2000-10-19 | 2001-06-07 | Process for the preparation of 2-aminomethylpyridines |
| EP01982337A EP1311483B1 (en) | 2000-08-25 | 2001-08-21 | Process for the preparation of 2-aminomethyl-halogen-pyridines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK1746089T3 true DK1746089T3 (da) | 2015-08-24 |
Family
ID=35870489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK06120806.2T DK1746089T3 (da) | 2000-08-25 | 2001-08-21 | Fremgangsmåde til fremstilling af 2-cyanopyridinderivater |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JP4922534B2 (da) |
| KR (1) | KR100818566B1 (da) |
| BR (2) | BR0117363B1 (da) |
| DK (1) | DK1746089T3 (da) |
| ES (1) | ES2545477T3 (da) |
| IL (2) | IL154014A (da) |
| RU (1) | RU2266900C2 (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3088390A1 (en) * | 2015-04-30 | 2016-11-02 | Bayer CropScience AG | Catalytic hydrogenation of substituted cyanopyridines |
| EP3489221A1 (en) * | 2017-11-22 | 2019-05-29 | Bayer AG | Process for the preparation of fluopicolide |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4159382A (en) * | 1978-06-28 | 1979-06-26 | The Dow Chemical Company | Process for preparing picolylamine |
| JPS5663949A (en) * | 1979-10-29 | 1981-05-30 | Kuraray Co Ltd | Preparation of nitrile compound |
| JPS56118066A (en) * | 1980-02-21 | 1981-09-16 | Ishihara Sangyo Kaisha Ltd | 2-cyano-3-halogeno-5-trifluoromethylpyridine and its preparation |
| DE3165316D1 (en) * | 1980-02-21 | 1984-09-13 | Ishihara Sangyo Kaisha | 2-substituted-5-trifluoromethylpyridines and a process for producing the same |
| US4851539A (en) * | 1982-06-18 | 1989-07-25 | The Dow Chemical Company | 2,3-Difluoropyridine and 3-fluoro-2-pyridinyloxyphenol compounds |
| IL68822A (en) * | 1982-06-18 | 1990-07-12 | Dow Chemical Co | Pyridyl(oxy/thio)phenoxy compounds,herbicidal compositions and methods of using them |
| JPH06749B2 (ja) * | 1985-04-30 | 1994-01-05 | 広栄化学工業株式会社 | アミノメチルピリジンの製造法 |
| US4766219A (en) * | 1985-06-03 | 1988-08-23 | The Dow Chemical Company | Preparation of 2-cyano-6-chloropyridine compounds |
| AT391693B (de) * | 1988-11-15 | 1990-11-12 | Cl Pharma | Verfahren zur herstellung von 3-5-dimethyl-4methoxypyridinderivaten sowie neues zwischenprodukt hierfuer |
| NZ242290A (en) * | 1991-04-15 | 1994-12-22 | Zeneca Ltd | Pyridyl and pyrimidinyl substituted oxime-o-benzyl ether derivatives; preparatory processes, fungicidal compositions and an intermediate |
| DE4132808A1 (de) * | 1991-10-02 | 1993-04-08 | Hoechst Ag | Verfahren zur herstellung von 2-aminomethylpiperidin |
| DE19529973A1 (de) * | 1995-08-16 | 1997-02-20 | Hoechst Ag | Verfahren zur Herstellung von ortho-Nitrobenzonitrilen |
| TW575562B (en) * | 1998-02-19 | 2004-02-11 | Agrevo Uk Ltd | Fungicides |
-
2001
- 2001-08-21 DK DK06120806.2T patent/DK1746089T3/da active
- 2001-08-21 ES ES06120806.2T patent/ES2545477T3/es not_active Expired - Lifetime
- 2001-08-21 BR BRPI0117363-4B1A patent/BR0117363B1/pt active IP Right Grant
- 2001-08-21 JP JP2002521198A patent/JP4922534B2/ja not_active Expired - Fee Related
- 2001-08-21 BR BRPI0117362-6B1A patent/BR0117362B1/pt active IP Right Grant
- 2001-08-21 RU RU2003107931/04A patent/RU2266900C2/ru not_active IP Right Cessation
- 2001-08-21 KR KR1020037002724A patent/KR100818566B1/ko not_active Expired - Fee Related
-
2003
- 2003-01-16 IL IL154014A patent/IL154014A/en active IP Right Grant
-
2008
- 2008-04-10 IL IL190807A patent/IL190807A/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| RU2266900C2 (ru) | 2005-12-27 |
| KR100818566B1 (ko) | 2008-04-01 |
| KR20030024911A (ko) | 2003-03-26 |
| JP4922534B2 (ja) | 2012-04-25 |
| ES2545477T3 (es) | 2015-09-11 |
| BR0117363B1 (pt) | 2013-08-27 |
| BR0117362B1 (pt) | 2013-08-27 |
| JP2004506716A (ja) | 2004-03-04 |
| IL154014A (en) | 2010-11-30 |
| IL190807A0 (en) | 2008-11-03 |
| IL190807A (en) | 2011-06-30 |
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