JPH07504440A - ２−ハロ−５−ハロメチルピリジンの調製方法 - Google Patents
２−ハロ−５−ハロメチルピリジンの調製方法Info
- Publication number
- JPH07504440A JPH07504440A JP5515966A JP51596693A JPH07504440A JP H07504440 A JPH07504440 A JP H07504440A JP 5515966 A JP5515966 A JP 5515966A JP 51596693 A JP51596693 A JP 51596693A JP H07504440 A JPH07504440 A JP H07504440A
- Authority
- JP
- Japan
- Prior art keywords
- chloro
- halo
- group
- formula
- halomethylpyridine
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 35
- 150000001875 compounds Chemical class 0.000 claims description 21
- SKCNYHLTRZIINA-UHFFFAOYSA-N 2-chloro-5-(chloromethyl)pyridine Chemical group ClCC1=CC=C(Cl)N=C1 SKCNYHLTRZIINA-UHFFFAOYSA-N 0.000 claims description 13
- 238000007363 ring formation reaction Methods 0.000 claims description 12
- 230000026030 halogenation Effects 0.000 claims description 11
- 238000005658 halogenation reaction Methods 0.000 claims description 11
- 150000002576 ketones Chemical class 0.000 claims description 11
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims description 7
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 125000000962 organic group Chemical group 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 229910052794 bromium Inorganic materials 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004472 Lysine Substances 0.000 claims description 2
- 125000004429 atom Chemical group 0.000 claims 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 1
- 150000004678 hydrides Chemical class 0.000 claims 1
- 229910000039 hydrogen halide Inorganic materials 0.000 claims 1
- 239000012433 hydrogen halide Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 11
- 125000001475 halogen functional group Chemical group 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- ITQTTZVARXURQS-UHFFFAOYSA-N 3-methylpyridine Chemical compound CC1=CC=CN=C1 ITQTTZVARXURQS-UHFFFAOYSA-N 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- GOXYBEXWMJZLJB-UHFFFAOYSA-N (6-chloropyridin-3-yl)methanol Chemical compound OCC1=CC=C(Cl)N=C1 GOXYBEXWMJZLJB-UHFFFAOYSA-N 0.000 description 3
- VXLYOURCUVQYLN-UHFFFAOYSA-N 2-chloro-5-methylpyridine Chemical group CC1=CC=C(Cl)N=C1 VXLYOURCUVQYLN-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 125000000304 alkynyl group Chemical group 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000006482 condensation reaction Methods 0.000 description 3
- -1 halomethyl aldehyde Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 2
- 241000287462 Phalacrocorax carbo Species 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 125000001072 heteroaryl group Chemical group 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229960003512 nicotinic acid Drugs 0.000 description 2
- 239000011664 nicotinic acid Substances 0.000 description 2
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- 125000004201 2,4-dichlorophenyl group Chemical group [H]C1=C([H])C(*)=C(Cl)C([H])=C1Cl 0.000 description 1
- QWIIJVGEBIQHSW-UHFFFAOYSA-N 2-chloro-3-(chloromethyl)pyridine Chemical compound ClCC1=CC=CN=C1Cl QWIIJVGEBIQHSW-UHFFFAOYSA-N 0.000 description 1
- RPYNKMZXEALWOJ-UHFFFAOYSA-N 3-(dichloromethyl)pyridine Chemical compound ClC(Cl)C1=CC=CN=C1 RPYNKMZXEALWOJ-UHFFFAOYSA-N 0.000 description 1
- MBMUQLSGBUUJLZ-UHFFFAOYSA-N 4-chloro-4-(chloromethyl)-5-oxopentanenitrile Chemical compound ClCC(Cl)(C=O)CCC#N MBMUQLSGBUUJLZ-UHFFFAOYSA-N 0.000 description 1
- IXMBFEQRFXTDBR-UHFFFAOYSA-N 4-formylpent-4-enenitrile Chemical compound O=CC(=C)CCC#N IXMBFEQRFXTDBR-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 206010001488 Aggression Diseases 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000012905 Brassica oleracea var viridis Nutrition 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- CKDWPUIZGOQOOM-UHFFFAOYSA-N Carbamyl chloride Chemical compound NC(Cl)=O CKDWPUIZGOQOOM-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 150000001204 N-oxides Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000005899 aromatization reaction Methods 0.000 description 1
- AJIBZRIAUXVGQJ-UHFFFAOYSA-N bicyclo[2.2.1]hept-2-ene-5-carbaldehyde Chemical compound C1C2C(C=O)CC1C=C2 AJIBZRIAUXVGQJ-UHFFFAOYSA-N 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000002081 enamines Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 230000002140 halogenating effect Effects 0.000 description 1
- 150000002367 halogens Chemical group 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000012450 pharmaceutical intermediate Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002243 precursor 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
- 238000010791 quenching Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003385 ring cleavage reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000526 short-path distillation Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 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
- C07D213/60—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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/846,898 US5229519A (en) | 1992-03-06 | 1992-03-06 | Process for preparing 2-halo-5-halomethylpyridines |
| US846,898 | 1992-03-06 | ||
| PCT/US1993/002119 WO1993018004A1 (en) | 1992-03-06 | 1993-03-08 | Process for preparing 2-halo-5-halomethylpyridines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07504440A true JPH07504440A (ja) | 1995-05-18 |
Family
ID=25299258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5515966A Pending JPH07504440A (ja) | 1992-03-06 | 1993-03-08 | ２−ハロ−５−ハロメチルピリジンの調製方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5229519A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0629191A1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPH07504440A (cg-RX-API-DMAC7.html) |
| TW (1) | TW241257B (cg-RX-API-DMAC7.html) |
| WO (1) | WO1993018004A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5618942A (en) * | 1993-09-03 | 1997-04-08 | Luxembourg Industries (Pamol) Ltd. | Production of 2,3,5,6-tetrachloropyridine |
| US5508410A (en) * | 1993-11-30 | 1996-04-16 | Reilly Industries, Inc. | Process for preparing 2-halo-5-substituted pyridines |
| US6921762B2 (en) * | 2001-11-16 | 2005-07-26 | Amgen Inc. | Substituted indolizine-like compounds and methods of use |
| ES2611018T3 (es) * | 2004-04-08 | 2017-05-04 | Dow Agrosciences Llc | Sulfoximinas N-sustituidas insecticidas |
| TWI398433B (zh) | 2006-02-10 | 2013-06-11 | Dow Agrosciences Llc | 殺蟲性之ｎ-取代（６-鹵烷基吡啶-３-基）烷基磺醯亞胺 |
| TWI381811B (zh) * | 2006-06-23 | 2013-01-11 | Dow Agrosciences Llc | 用以防治可抵抗一般殺蟲劑之昆蟲的方法 |
| TWI387585B (zh) * | 2006-09-01 | 2013-03-01 | Dow Agrosciences Llc | 殺蟲性之ｎ-取代（雜芳基）烷基烴基硫亞胺 |
| MX2009002302A (es) * | 2006-09-01 | 2009-03-13 | Dow Agrosciences Llc | Sulfoximinas de (2-sustituido-1,3-tiazol) alquilo n-sustituidas insecticidas. |
| TWI395736B (zh) * | 2006-11-08 | 2013-05-11 | Dow Agrosciences Llc | 作為殺蟲劑之雜芳基（取代的）烷基ｎ-取代的磺醯亞胺（二） |
| US7709648B2 (en) * | 2007-02-09 | 2010-05-04 | Dow Agrosciences Llc | Process for the preparation of 2-substituted-5-(1-alkylthio)alkylpyridines |
| AR066366A1 (es) * | 2007-05-01 | 2009-08-12 | Dow Agrosciences Llc | Mezclas sinergicas plaguicidas |
| CA2693253C (en) * | 2007-07-20 | 2015-03-24 | Jonathan Babcock | Increasing plant vigor |
| MX2010009748A (es) | 2008-03-03 | 2010-11-30 | Dow Agrosciences Llc | Plaguicidas. |
| CN101948424B (zh) * | 2010-09-30 | 2013-08-28 | 南开大学 | 2-氯-5-氯甲基吡啶的制备方法 |
| CN102442940A (zh) * | 2010-10-25 | 2012-05-09 | 南通派斯第农药化工有限公司 | 一种2氯5氯甲基吡啶的制备工艺 |
| CN102140091A (zh) * | 2011-03-10 | 2011-08-03 | 江苏长青农化股份有限公司 | Ccmp的合成方法 |
| MX384518B (es) | 2013-06-14 | 2025-03-14 | Cheminova As | Un metodo para producir 2,3-dicloro-5-(triclorometil)piridina. |
| CN105924337B (zh) * | 2016-04-27 | 2018-11-13 | 南京工业大学 | 一种在微结构反应器中制备5-降冰片烯-2-甲醛的方法 |
| CN107043349A (zh) * | 2016-12-24 | 2017-08-15 | 李波 | 一种2‑氯‑5‑氯甲基吡啶精制方法 |
| CN106699647B (zh) * | 2016-12-30 | 2020-01-17 | 兰州康鹏威耳化工有限公司 | 一种2-氯-5-氯甲基吡啶的制备方法 |
| CN107954900A (zh) * | 2017-11-30 | 2018-04-24 | 庆阳凯威尔能源化工有限公司 | 2-氰乙基-5-降冰片烯-2-醛的连续合成方法 |
| CN110015986B (zh) * | 2019-04-29 | 2024-02-20 | 山东汇盟生物科技股份有限公司 | 一种2-氯-2-氯甲基-4-氰基丁醛环合装置 |
| CN113004193B (zh) | 2021-02-07 | 2024-10-18 | 兰州康鹏威耳化工有限公司 | 硅化合物在环合反应中的用途 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3007931A (en) * | 1959-03-09 | 1961-11-07 | Phillips Petroleum Co | Production of unsaturated heterocyclic nitrogen bases |
| US4245098A (en) * | 1978-12-05 | 1981-01-13 | Ciba-Geigy Corporation | Process for producing 2,3,5-trichloropyridine, 2,4,4-trichloro-4-formyl-butyronitrile as a novel compound and a process for producing it |
| EP0113467B1 (de) * | 1980-08-27 | 1986-04-30 | Ciba-Geigy Ag | 2,2-Dichlor-3,3,3-trifluorpropionaldehyd und Verfahren zu seiner Herstellung |
| US4658031A (en) * | 1982-10-07 | 1987-04-14 | Ici Americas Inc. | Synthesis of 2-substituted-5-methyl-pyridines and intermediates therefor |
| US4435573A (en) * | 1982-10-25 | 1984-03-06 | The Dow Chemical Company | Process for the preparation of substituted pyridines |
| US5053516A (en) * | 1984-05-23 | 1991-10-01 | Ici Americas Inc. | Synthesis of 2-substituted-5-methylpyridines from methylcyclobutanecarbonitrile, valeronitrile and pentenonitrile intermediates |
| US5106984A (en) * | 1985-12-20 | 1992-04-21 | The Dow Chemical Company | 2-hydrocarbyl-3,6-dichloropyridines and their preparation |
| EP0306547B1 (en) * | 1987-09-09 | 1992-06-10 | Dowelanco | 2-hydrocarbyl-3,6-dichloropyridines and their preparation |
| WO1989006230A1 (en) * | 1988-01-04 | 1989-07-13 | E.I. Du Pont De Nemours And Company | Cyano-dienes, halopyridines, intermediates and a process for their preparation |
| US4871859A (en) * | 1988-03-02 | 1989-10-03 | Hoechst Celanese Corporation | Process for preparing pyridine carboxylic acid esters |
| GB8814458D0 (en) * | 1988-06-17 | 1988-07-20 | Wyeth John & Brother Ltd | Heterocyclic compounds |
| DE3840954A1 (de) * | 1988-12-05 | 1990-06-07 | Shell Int Research | Herstellung von 2-chlornicotinsaeureestern |
| EP0373464B1 (de) * | 1988-12-16 | 1995-02-01 | Bayer Ag | Verfahren zur Herstellung von 2-Chlor-5-chlormethylpyridin |
-
1992
- 1992-03-06 US US07/846,898 patent/US5229519A/en not_active Expired - Fee Related
- 1992-05-18 TW TW081103858A patent/TW241257B/zh active
-
1993
- 1993-03-08 EP EP93907348A patent/EP0629191A1/en not_active Ceased
- 1993-03-08 JP JP5515966A patent/JPH07504440A/ja active Pending
- 1993-03-08 WO PCT/US1993/002119 patent/WO1993018004A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP0629191A1 (en) | 1994-12-21 |
| WO1993018004A1 (en) | 1993-09-16 |
| US5229519A (en) | 1993-07-20 |
| TW241257B (cg-RX-API-DMAC7.html) | 1995-02-21 |
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