JP2001514647A - 置換p−ニトロジフェニルエーテル類の精製法 - Google Patents
置換p−ニトロジフェニルエーテル類の精製法Info
- Publication number
- JP2001514647A JP2001514647A JP53932898A JP53932898A JP2001514647A JP 2001514647 A JP2001514647 A JP 2001514647A JP 53932898 A JP53932898 A JP 53932898A JP 53932898 A JP53932898 A JP 53932898A JP 2001514647 A JP2001514647 A JP 2001514647A
- Authority
- JP
- Japan
- Prior art keywords
- crystallization
- solution
- general formula
- mixture
- compound
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000000746 purification Methods 0.000 title abstract description 23
- -1 p-nitrodiphenyl ethers Chemical class 0.000 title description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 51
- 239000000203 mixture Substances 0.000 claims abstract description 40
- 238000002425 crystallisation Methods 0.000 claims abstract description 35
- 230000008025 crystallization Effects 0.000 claims abstract description 35
- 239000002904 solvent Substances 0.000 claims abstract description 33
- 239000011549 crystallization solution Substances 0.000 claims abstract description 31
- 239000000243 solution Substances 0.000 claims abstract description 20
- 125000005843 halogen group Chemical group 0.000 claims abstract description 19
- NUFNQYOELLVIPL-UHFFFAOYSA-N acifluorfen Chemical compound C1=C([N+]([O-])=O)C(C(=O)O)=CC(OC=2C(=CC(=CC=2)C(F)(F)F)Cl)=C1 NUFNQYOELLVIPL-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000007864 aqueous solution Substances 0.000 claims abstract description 14
- 239000001257 hydrogen Substances 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- 230000002378 acidificating effect Effects 0.000 claims abstract description 8
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 7
- 150000002367 halogens Chemical class 0.000 claims abstract description 7
- 238000001953 recrystallisation Methods 0.000 claims abstract description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 4
- 125000001424 substituent group Chemical group 0.000 claims abstract description 4
- 125000006656 (C2-C4) alkenyl group Chemical group 0.000 claims abstract 2
- 125000006650 (C2-C4) alkynyl group Chemical group 0.000 claims abstract 2
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 claims abstract 2
- 125000003601 C2-C6 alkynyl group Chemical group 0.000 claims abstract 2
- 239000000047 product Substances 0.000 claims description 36
- 238000005406 washing Methods 0.000 claims description 21
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 15
- 238000006396 nitration reaction Methods 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 10
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 claims description 9
- 239000008096 xylene Substances 0.000 claims description 9
- 150000003738 xylenes Chemical class 0.000 claims description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 229940078552 o-xylene Drugs 0.000 claims description 6
- 239000012043 crude product Substances 0.000 claims description 5
- 230000000802 nitrating effect Effects 0.000 claims description 5
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 claims description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 4
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 claims description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 4
- BGZZWXTVIYUUEY-UHFFFAOYSA-N fomesafen Chemical compound C1=C([N+]([O-])=O)C(C(=O)NS(=O)(=O)C)=CC(OC=2C(=CC(=CC=2)C(F)(F)F)Cl)=C1 BGZZWXTVIYUUEY-UHFFFAOYSA-N 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 claims description 3
- 238000010936 aqueous wash Methods 0.000 claims description 3
- 150000004945 aromatic hydrocarbons Chemical group 0.000 claims description 3
- HNQIVZYLYMDVSB-UHFFFAOYSA-N methanesulfonimidic acid Chemical compound CS(N)(=O)=O HNQIVZYLYMDVSB-UHFFFAOYSA-N 0.000 claims description 3
- GETTZEONDQJALK-UHFFFAOYSA-N (trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=CC=C1 GETTZEONDQJALK-UHFFFAOYSA-N 0.000 claims description 2
- IBSQPLPBRSHTTG-UHFFFAOYSA-N 1-chloro-2-methylbenzene Chemical compound CC1=CC=CC=C1Cl IBSQPLPBRSHTTG-UHFFFAOYSA-N 0.000 claims description 2
- NPDACUSDTOMAMK-UHFFFAOYSA-N 4-Chlorotoluene Chemical compound CC1=CC=C(Cl)C=C1 NPDACUSDTOMAMK-UHFFFAOYSA-N 0.000 claims description 2
- 239000005711 Benzoic acid Substances 0.000 claims description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 2
- 235000010233 benzoic acid Nutrition 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- 150000002825 nitriles Chemical class 0.000 claims description 2
- XILPLWOGHPSJBK-UHFFFAOYSA-N 1,2-dichloro-4-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=C(Cl)C(Cl)=C1 XILPLWOGHPSJBK-UHFFFAOYSA-N 0.000 claims 1
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 claims 1
- MMZYCBHLNZVROM-UHFFFAOYSA-N 1-fluoro-2-methylbenzene Chemical compound CC1=CC=CC=C1F MMZYCBHLNZVROM-UHFFFAOYSA-N 0.000 claims 1
- ANFHXXZCSPXIFE-UHFFFAOYSA-N 3-[3-chloro-4-(trifluoromethyl)phenoxy]benzoic acid Chemical compound OC(=O)C1=CC=CC(OC=2C=C(Cl)C(=CC=2)C(F)(F)F)=C1 ANFHXXZCSPXIFE-UHFFFAOYSA-N 0.000 claims 1
- 229940117389 dichlorobenzene Drugs 0.000 claims 1
- 150000005826 halohydrocarbons Chemical class 0.000 claims 1
- PYLWMHQQBFSUBP-UHFFFAOYSA-N monofluorobenzene Chemical compound FC1=CC=CC=C1 PYLWMHQQBFSUBP-UHFFFAOYSA-N 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 21
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 15
- 239000002253 acid Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000012535 impurity Substances 0.000 description 12
- 239000008346 aqueous phase Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000004009 herbicide Substances 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 229960000583 acetic acid Drugs 0.000 description 8
- 235000011054 acetic acid Nutrition 0.000 description 7
- 230000002363 herbicidal effect Effects 0.000 description 7
- 239000012074 organic phase Substances 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 239000007810 chemical reaction solvent Substances 0.000 description 5
- 150000002430 hydrocarbons Chemical group 0.000 description 5
- 239000000543 intermediate Substances 0.000 description 5
- 239000012266 salt solution Substances 0.000 description 5
- IJFXRHURBJZNAO-UHFFFAOYSA-N 3-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=CC(O)=C1 IJFXRHURBJZNAO-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 125000000304 alkynyl group Chemical group 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 239000002798 polar solvent Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 125000003342 alkenyl group Chemical group 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical group O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000001914 calming effect Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- ZPQOPVIELGIULI-UHFFFAOYSA-N 1,3-dichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1 ZPQOPVIELGIULI-UHFFFAOYSA-N 0.000 description 1
- KNGWEAQJZJKFLI-UHFFFAOYSA-N 2,2-dimethyl-4h-1,3-benzodioxine-6-carbaldehyde Chemical class O=CC1=CC=C2OC(C)(C)OCC2=C1 KNGWEAQJZJKFLI-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- ZXVONLUNISGICL-UHFFFAOYSA-N 4,6-dinitro-o-cresol Chemical group CC1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1O ZXVONLUNISGICL-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 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
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000005605 benzo group Chemical group 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
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000012045 crude solution Substances 0.000 description 1
- OWZREIFADZCYQD-NSHGMRRFSA-N deltamethrin Chemical compound CC1(C)[C@@H](C=C(Br)Br)[C@H]1C(=O)O[C@H](C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 OWZREIFADZCYQD-NSHGMRRFSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000006038 hexenyl group Chemical group 0.000 description 1
- 125000005980 hexynyl group Chemical group 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 125000002346 iodo group Chemical group I* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920003987 resole Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229950011008 tetrachloroethylene Drugs 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/42—Separation; Purification; Stabilisation; Use of additives
- C07C303/44—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/16—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 一般式Iの化合物: {式中、R1は水素またはC1−C6アルキル、C2−C6アルケニルまたはC2−C6 アルキニル(それらはハロゲンおよびヒドロキシから選択される一つまたはそ れ以上の置換基で随意に置換されていてもよい);またはCOOR4、COR6、 CONR4R5またはCONHSO2R4であり; R4およびR5は独立して水素または一つまたはそれ以上のハロゲン原子で随意に 置換されていてもよいC1−C4アルキルを表しており; R6はハロゲン原子または基R4であり; R2は水素またはハロであり;および R3はC1−C4アルキル、C2−C4アルケニルまたはC2−C4アルキニル(それ らは一つまたはそれ以上のハロゲン原子で随意に置換されていてもよい);また はハロである} または適宜にその塩を; 一般式Iの化合物と共にその一つまたはそれ以上の異性体またはジニトロ化類似 体を含んでいる混合物から精製する方法であって、この方法は混合物を適した結 晶化溶液に溶解することおよび得られた結晶化溶液から生成物を再結晶すること を含んでおり、ここで結晶化溶液は25%添加を越えない一般式Iの化合物を含 んでおり、添加とは以下のように定義され: および溶液が結晶化のために冷却される温度は約30℃より高くはなく、ここで 結晶化溶媒を加えた後であって再結晶化前に結晶化溶液は酸性pHの水性溶液に より少なくとも一度洗浄される。 2. 結晶化溶媒がキシレンまたはキシレン類の混合物のような芳香族炭化水素 、o−クロロトルエン、p−クロロトルエン、ベンゾトリフルオリド、3,4− ジクロロベンゾトリフルオリド、クロロベンゼン、o−ジクロロベンゼン、m− ジクロロベンゼン、フルオロベンゼン、ブロモベンゼンまたは2−フルオロトル エンのようなハロ芳香族化合物、前記の溶媒の混合物、または脂肪族炭化水素、 エステル、エーテル、ニトリルまたはハロ炭化水素から成る共溶媒とともに芳香 族炭化水素を含んでいる混合物から成る請求項第1項に記載の方法。 3. 結晶化溶媒がo−キシレンである請求項第2項に記載の方法。 4. 結晶化溶液の添加が約8%から20%である請求項第1項に記載の方法。 5. 結晶化を達成するために溶液が冷却される温度が20℃よりも高くない請 求項第1項に記載の方法。 6. 結晶化後、生成物の回収前に混合物が2時間以上は放置されない請求項第 1項に記載の方法。 7. 精製されるべき混合物が一般式IIの化合物のニトロ化工程の粗生成物であ る請求項第1項に記載の方法: 式中R1、R2およびR3は一般式Iで定義したとおりである。 8. 酸性pHでの5回までの水性洗浄を含んでいる請求項第1項に記載の方法 。 9. 結晶化溶液がpH3から3.8である水性溶液で洗浄される請求項第1項 乃至8項のいずれか1項に記載の方法。 10.結晶化溶液がpH3.3から3.5の水性溶液で洗浄される請求項第9項 に記載の方法。 11.結晶化溶液がpH3.0から4.5の水性溶液で洗浄され、続いてpH< 2.0でさらに洗浄される請求項第1項乃至8項のいずれか1項に記載の方法。 12.pH<2.0での最初の洗浄、続いてpH3.0から4.5での1から3 回の洗浄、続いてpH<2.0での最終洗浄を含む請求項第1項乃至8項のいず れか1項に記載の方法。 13.水性洗液が新しい結晶化溶媒で逆抽出される請求項第1項乃至12項のい ずれか1項に記載の方法。 14.結晶化溶媒が結晶化工程にリサイクルされる請求項第13項に記載の方法 。 15.多pH調節洗浄からの洗液が逆抽出前に合併される請求項第13または1 4項に記載の方法。 16.一般式Iの化合物が5−(2−クロロ−α,α,α−トリフルオロ−4− トリルオキシ)−2’−ニトロ安息香酸(アシフルオルフェン)または5−(2 −クロロ−α,α,α−トリフルオロ−4−トリルオキシ)−N−メタンスルホ ニル−2’−ニトロベンズアミド(フォメサフェン)である請求項第1項乃至1 5項のいずれか1項に記載の方法。 17.一般式Iの化合物がアシフルオルフェンであり、アシフルオルフェンをそ の酸クロリドへ変換し、および酸クロリドをメタンスルホンアミドと反応させて フォメサフェンを得る工程をさらに含む請求項第16項に記載の方法。 18.以下の工程を含む方法によりアシフルオルフェンが調製される請求項第1 7項に記載の方法: a)m−クレゾールとDCBTFを反応させて3−(2−クロロ−α,α ,α−トリフルオロ−4−トリルオキシ)トルエンを製造し; b)3−(2−クロロ−α,α,α−トリフルオロ−4−トリルオキシ) トルエンを酸化して3−(2−クロロ−α,α,α−トリフルオロ− 4−トリルオキシ)安息香酸を得; c)3−(2−クロロ−α,α,α−トリフルオロ−4−トリルオキシ) 安息香酸をニトロ化してアシフルオルフェンを得る。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US08/816,930 US5910604A (en) | 1995-09-13 | 1997-03-13 | Purification process |
US08/816,930 | 1997-03-13 | ||
PCT/GB1998/000577 WO1998040347A1 (en) | 1997-03-13 | 1998-02-24 | Process for the purification of substituted p-nitrodiphenylethers |
Publications (2)
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JP2001514647A true JP2001514647A (ja) | 2001-09-11 |
JP4318755B2 JP4318755B2 (ja) | 2009-08-26 |
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Application Number | Title | Priority Date | Filing Date |
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JP53932898A Expired - Fee Related JP4318755B2 (ja) | 1997-03-13 | 1998-02-24 | 置換p−ニトロジフェニルエーテル類の精製法 |
Country Status (21)
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US (1) | US5910604A (ja) |
EP (1) | EP0971875B1 (ja) |
JP (1) | JP4318755B2 (ja) |
KR (1) | KR100561201B1 (ja) |
CN (1) | CN1213990C (ja) |
AR (1) | AR012060A1 (ja) |
AT (1) | ATE228496T1 (ja) |
AU (1) | AU6302698A (ja) |
BR (1) | BR9807639B1 (ja) |
CA (1) | CA2281623C (ja) |
DE (1) | DE69809725T2 (ja) |
DK (1) | DK0971875T3 (ja) |
ES (1) | ES2187931T3 (ja) |
GT (1) | GT199800048A (ja) |
HU (1) | HUP0000770A2 (ja) |
ID (1) | ID20049A (ja) |
IL (1) | IL131765A (ja) |
IN (1) | IN187909B (ja) |
TW (1) | TW520352B (ja) |
WO (1) | WO1998040347A1 (ja) |
ZA (1) | ZA981983B (ja) |
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GB9930369D0 (en) * | 1999-12-22 | 2000-02-09 | Zeneca Ltd | Chemical process |
CN115093041B (zh) * | 2022-02-22 | 2024-02-13 | 杨自林 | 生产5-氨基-2-硝基三氟甲苯产生的工业废水的资源化处理方法 |
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US4031131A (en) * | 1975-09-29 | 1977-06-21 | Rohm And Haas Company | Process for preparing phenoxybenzoic acids |
EP0003416B1 (en) * | 1978-01-19 | 1981-08-26 | Imperial Chemical Industries Plc | Diphenyl ether compounds useful as herbicides; methods of using them, processes for preparing them, and herbicidal compositions containing them |
DE3071736D1 (en) * | 1979-06-22 | 1986-10-09 | Rhone Poulenc Agrochimie | Process for preparing 2-nitro-5-(substituted-phenoxy) benzoic acids and salts thereof |
US4405805A (en) * | 1981-07-27 | 1983-09-20 | Rhone-Poulenc, Inc. | Process for recovering and purifying herbicidal phenoxybenzoic acid derivatives |
GB8628109D0 (en) * | 1986-11-25 | 1986-12-31 | Ici Plc | Chemical process |
SI0668260T1 (en) * | 1994-02-17 | 1998-10-31 | Zeneca Limited | Process for phosgenation in the presence of acetonitrile |
US5446197A (en) * | 1994-10-04 | 1995-08-29 | Basf Corporation | Method of purifying acifluorfen |
GB9518704D0 (en) * | 1995-09-13 | 1995-11-15 | Zeneca Ltd | Chemical process |
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1997
- 1997-03-13 US US08/816,930 patent/US5910604A/en not_active Expired - Lifetime
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1998
- 1998-02-24 AT AT98907040T patent/ATE228496T1/de not_active IP Right Cessation
- 1998-02-24 ES ES98907040T patent/ES2187931T3/es not_active Expired - Lifetime
- 1998-02-24 JP JP53932898A patent/JP4318755B2/ja not_active Expired - Fee Related
- 1998-02-24 IL IL13176598A patent/IL131765A/xx not_active IP Right Cessation
- 1998-02-24 CN CNB988031132A patent/CN1213990C/zh not_active Expired - Lifetime
- 1998-02-24 AU AU63026/98A patent/AU6302698A/en not_active Abandoned
- 1998-02-24 HU HU0000770A patent/HUP0000770A2/hu unknown
- 1998-02-24 BR BRPI9807639-6A patent/BR9807639B1/pt not_active IP Right Cessation
- 1998-02-24 DE DE69809725T patent/DE69809725T2/de not_active Expired - Fee Related
- 1998-02-24 CA CA002281623A patent/CA2281623C/en not_active Expired - Lifetime
- 1998-02-24 DK DK98907040T patent/DK0971875T3/da active
- 1998-02-24 WO PCT/GB1998/000577 patent/WO1998040347A1/en active IP Right Grant
- 1998-02-24 EP EP98907040A patent/EP0971875B1/en not_active Expired - Lifetime
- 1998-02-24 KR KR1019997008267A patent/KR100561201B1/ko not_active IP Right Cessation
- 1998-03-05 IN IN577DE1998 patent/IN187909B/en unknown
- 1998-03-09 ZA ZA981983A patent/ZA981983B/xx unknown
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- 1998-03-13 AR ARP980101136A patent/AR012060A1/es active IP Right Grant
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Also Published As
Publication number | Publication date |
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AU6302698A (en) | 1998-09-29 |
EP0971875B1 (en) | 2002-11-27 |
AR012060A1 (es) | 2000-09-27 |
US5910604A (en) | 1999-06-08 |
ZA981983B (en) | 1998-09-14 |
BR9807639A (pt) | 2000-02-22 |
IL131765A (en) | 2003-04-10 |
IN187909B (ja) | 2002-07-20 |
BR9807639B1 (pt) | 2009-12-01 |
KR20000076175A (ko) | 2000-12-26 |
CA2281623C (en) | 2007-03-27 |
CN1249741A (zh) | 2000-04-05 |
HUP0000770A2 (en) | 2000-07-28 |
IL131765A0 (en) | 2001-03-19 |
DE69809725D1 (de) | 2003-01-09 |
DK0971875T3 (da) | 2003-03-24 |
ATE228496T1 (de) | 2002-12-15 |
TW520352B (en) | 2003-02-11 |
KR100561201B1 (ko) | 2006-03-15 |
EP0971875A1 (en) | 2000-01-19 |
GT199800048A (es) | 1999-09-03 |
CA2281623A1 (en) | 1998-09-17 |
ES2187931T3 (es) | 2003-06-16 |
ID20049A (id) | 1998-09-17 |
CN1213990C (zh) | 2005-08-10 |
JP4318755B2 (ja) | 2009-08-26 |
DE69809725T2 (de) | 2003-04-24 |
WO1998040347A1 (en) | 1998-09-17 |
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