SE502467C2 - Förfarande för framställning av tetrafluoroftalsyra - Google Patents
Förfarande för framställning av tetrafluoroftalsyraInfo
- Publication number
- SE502467C2 SE502467C2 SE8800484A SE8800484A SE502467C2 SE 502467 C2 SE502467 C2 SE 502467C2 SE 8800484 A SE8800484 A SE 8800484A SE 8800484 A SE8800484 A SE 8800484A SE 502467 C2 SE502467 C2 SE 502467C2
- Authority
- SE
- Sweden
- Prior art keywords
- group
- acid
- imide compound
- carbon atoms
- tetrafluorophthalic
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- YJLVXRPNNDKMMO-UHFFFAOYSA-N 3,4,5,6-tetrafluorophthalic acid Chemical compound OC(=O)C1=C(F)C(F)=C(F)C(F)=C1C(O)=O YJLVXRPNNDKMMO-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims description 7
- -1 imide compound Chemical class 0.000 claims abstract description 86
- 239000002253 acid Substances 0.000 claims abstract description 23
- 125000000962 organic group Chemical group 0.000 claims abstract description 10
- GXHIOZHDNIONPT-UHFFFAOYSA-N 4,5,6,7-tetrafluoroisoindole-1,3-dione Chemical compound FC1=C(F)C(F)=C2C(=O)NC(=O)C2=C1F GXHIOZHDNIONPT-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 5
- 125000001309 chloro group Chemical group Cl* 0.000 claims abstract description 5
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000003301 hydrolyzing effect Effects 0.000 claims abstract description 3
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical group [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 50
- 238000006243 chemical reaction Methods 0.000 claims description 39
- 239000011541 reaction mixture Substances 0.000 claims description 32
- 239000011698 potassium fluoride Substances 0.000 claims description 25
- 235000003270 potassium fluoride Nutrition 0.000 claims description 25
- 125000004432 carbon atom Chemical group C* 0.000 claims description 23
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 22
- BJDDKZDZTHIIJB-UHFFFAOYSA-N 4,5,6,7-tetrafluoro-2-benzofuran-1,3-dione Chemical compound FC1=C(F)C(F)=C2C(=O)OC(=O)C2=C1F BJDDKZDZTHIIJB-UHFFFAOYSA-N 0.000 claims description 19
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 18
- 125000000623 heterocyclic group Chemical group 0.000 claims description 12
- 229910001515 alkali metal fluoride Inorganic materials 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 11
- 230000007062 hydrolysis Effects 0.000 claims description 10
- 238000006460 hydrolysis reaction Methods 0.000 claims description 10
- 125000003118 aryl group Chemical group 0.000 claims description 9
- 125000004450 alkenylene group Chemical group 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000002947 alkylene group Chemical group 0.000 claims description 6
- 125000000732 arylene group Chemical group 0.000 claims description 6
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 6
- 125000002993 cycloalkylene group Chemical group 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 125000003342 alkenyl group Chemical group 0.000 claims description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 125000001424 substituent group Chemical group 0.000 claims description 3
- 125000005207 tetraalkylammonium group Chemical group 0.000 claims description 3
- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 claims description 2
- 125000004201 2,4-dichlorophenyl group Chemical group [H]C1=C([H])C(*)=C(Cl)C([H])=C1Cl 0.000 claims description 2
- 125000004200 2-methoxyethyl group Chemical group [H]C([H])([H])OC([H])([H])C([H])([H])* 0.000 claims description 2
- 125000001622 2-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C(*)C([H])=C([H])C2=C1[H] 0.000 claims description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 2
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 claims description 2
- 125000004189 3,4-dichlorophenyl group Chemical group [H]C1=C([H])C(Cl)=C(Cl)C([H])=C1* 0.000 claims description 2
- 125000003349 3-pyridyl group Chemical group N1=C([H])C([*])=C([H])C([H])=C1[H] 0.000 claims description 2
- 125000004800 4-bromophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Br 0.000 claims description 2
- 125000006283 4-chlorobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1Cl)C([H])([H])* 0.000 claims description 2
- 125000001255 4-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1F 0.000 claims description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 2
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 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 claims description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 claims description 2
- 125000000636 p-nitrophenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)[N+]([O-])=O 0.000 claims description 2
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 claims description 2
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 claims description 2
- 239000003444 phase transfer catalyst Substances 0.000 claims description 2
- 150000004714 phosphonium salts Chemical group 0.000 claims description 2
- 239000002798 polar solvent Substances 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 2
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- PQISQOHUTDZDEU-UHFFFAOYSA-N F[P](F)(F)F Chemical compound F[P](F)(F)F PQISQOHUTDZDEU-UHFFFAOYSA-N 0.000 claims 1
- 239000004721 Polyphenylene oxide Substances 0.000 claims 1
- 239000000010 aprotic solvent Substances 0.000 claims 1
- 125000004093 cyano group Chemical group *C#N 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 150000004820 halides Chemical class 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 229910001512 metal fluoride Inorganic materials 0.000 abstract description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 84
- 239000013078 crystal Substances 0.000 description 44
- 238000004821 distillation Methods 0.000 description 33
- 239000000203 mixture Substances 0.000 description 31
- 238000001816 cooling Methods 0.000 description 26
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 18
- 230000015572 biosynthetic process Effects 0.000 description 17
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 16
- 239000000243 solution Substances 0.000 description 16
- 238000003756 stirring Methods 0.000 description 16
- 238000003786 synthesis reaction Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- AULXVJOTNZUFIY-UHFFFAOYSA-N 4,5,6,7-tetrafluoro-2-methylisoindole-1,3-dione Chemical compound FC1=C(F)C(F)=C(F)C2=C1C(=O)N(C)C2=O AULXVJOTNZUFIY-UHFFFAOYSA-N 0.000 description 14
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- 238000001914 filtration Methods 0.000 description 13
- 239000002904 solvent Substances 0.000 description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- 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 12
- 239000010410 layer Substances 0.000 description 11
- 238000002156 mixing Methods 0.000 description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 9
- 239000011780 sodium chloride Substances 0.000 description 9
- HRECWOSIKPDLLL-UHFFFAOYSA-N 4,5,6,7-tetrafluoro-2-propan-2-ylisoindole-1,3-dione Chemical compound FC1=C(F)C(F)=C(F)C2=C1C(=O)N(C(C)C)C2=O HRECWOSIKPDLLL-UHFFFAOYSA-N 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 8
- 229910010272 inorganic material Inorganic materials 0.000 description 8
- 239000011147 inorganic material Substances 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 230000035484 reaction time Effects 0.000 description 7
- QLEQUZQEFLMYMP-UHFFFAOYSA-N 2-ethyl-4,5,6,7-tetrafluoroisoindole-1,3-dione Chemical compound FC1=C(F)C(F)=C(F)C2=C1C(=O)N(CC)C2=O QLEQUZQEFLMYMP-UHFFFAOYSA-N 0.000 description 6
- OHCSZUQRNNNMRG-UHFFFAOYSA-N 4,5,6,7-tetrachloro-2-methylisoindole-1,3-dione Chemical compound ClC1=C(Cl)C(Cl)=C(Cl)C2=C1C(=O)N(C)C2=O OHCSZUQRNNNMRG-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 5
- NIPHRIDFYCSLRP-UHFFFAOYSA-N 4,5,6,7-tetrafluoro-2-phenylisoindole-1,3-dione Chemical compound O=C1C2=C(F)C(F)=C(F)C(F)=C2C(=O)N1C1=CC=CC=C1 NIPHRIDFYCSLRP-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 150000008064 anhydrides Chemical class 0.000 description 4
- 238000003682 fluorination reaction Methods 0.000 description 4
- 150000003949 imides Chemical class 0.000 description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 4
- 235000019341 magnesium sulphate Nutrition 0.000 description 4
- 239000012044 organic layer Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- WTVYUJGLUSXAQP-UHFFFAOYSA-N 2-cyclohexyl-4,5,6,7-tetrafluoroisoindole-1,3-dione Chemical compound O=C1C2=C(F)C(F)=C(F)C(F)=C2C(=O)N1C1CCCCC1 WTVYUJGLUSXAQP-UHFFFAOYSA-N 0.000 description 3
- WZHHYIOUKQNLQM-UHFFFAOYSA-N 3,4,5,6-tetrachlorophthalic acid Chemical compound OC(=O)C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1C(O)=O WZHHYIOUKQNLQM-UHFFFAOYSA-N 0.000 description 3
- LPTOKNBNQSVVQO-UHFFFAOYSA-N 4,5,6,7-tetrachloro-2-phenylisoindole-1,3-dione Chemical compound O=C1C2=C(Cl)C(Cl)=C(Cl)C(Cl)=C2C(=O)N1C1=CC=CC=C1 LPTOKNBNQSVVQO-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 125000005842 heteroatom Chemical group 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- 125000004434 sulfur atom Chemical group 0.000 description 3
- 125000001989 1,3-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([H])C([*:2])=C1[H] 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- 125000004958 1,4-naphthylene group Chemical group 0.000 description 2
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 description 2
- XEZNGIUYQVAUSS-UHFFFAOYSA-N 18-crown-6 Chemical compound C1COCCOCCOCCOCCOCCO1 XEZNGIUYQVAUSS-UHFFFAOYSA-N 0.000 description 2
- DTSUYDPYXWBPIG-UHFFFAOYSA-N 4,5,6,7-tetrachloro-2-ethylisoindole-1,3-dione Chemical compound ClC1=C(Cl)C(Cl)=C(Cl)C2=C1C(=O)N(CC)C2=O DTSUYDPYXWBPIG-UHFFFAOYSA-N 0.000 description 2
- HSOZZLSISYXUTJ-UHFFFAOYSA-N 4,5,6,7-tetrachloro-2-propan-2-ylisoindole-1,3-dione Chemical compound ClC1=C(Cl)C(Cl)=C(Cl)C2=C1C(=O)N(C(C)C)C2=O HSOZZLSISYXUTJ-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- XJHCXCQVJFPJIK-UHFFFAOYSA-M caesium fluoride Chemical compound [F-].[Cs+] XJHCXCQVJFPJIK-UHFFFAOYSA-M 0.000 description 2
- 239000007806 chemical reaction intermediate Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 2
- 125000001624 naphthyl group Chemical group 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 2
- MQFQHWBPMPPVNJ-UHFFFAOYSA-N 2-benzyl-4,5,6,7-tetrachloroisoindole-1,3-dione Chemical compound O=C1C2=C(Cl)C(Cl)=C(Cl)C(Cl)=C2C(=O)N1CC1=CC=CC=C1 MQFQHWBPMPPVNJ-UHFFFAOYSA-N 0.000 description 1
- OEZBYUIKHMXWCA-UHFFFAOYSA-N 2-benzyl-4,5,6,7-tetrafluoroisoindole-1,3-dione Chemical compound O=C1C2=C(F)C(F)=C(F)C(F)=C2C(=O)N1CC1=CC=CC=C1 OEZBYUIKHMXWCA-UHFFFAOYSA-N 0.000 description 1
- IJNOVIFYQQIBHU-UHFFFAOYSA-N 3,4,5,6-tetrachlorobenzene-1,2-dicarbonyl chloride Chemical compound ClC(=O)C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1C(Cl)=O IJNOVIFYQQIBHU-UHFFFAOYSA-N 0.000 description 1
- WLXSTOFHRPNRGH-UHFFFAOYSA-N 4,5,6,7-tetrabromo-2-phenylisoindole-1,3-dione Chemical compound O=C1C2=C(Br)C(Br)=C(Br)C(Br)=C2C(=O)N1C1=CC=CC=C1 WLXSTOFHRPNRGH-UHFFFAOYSA-N 0.000 description 1
- ZLAHKCUEEYMHFP-UHFFFAOYSA-N 4,5,6,7-tetrachloro-2-(4-chlorophenyl)isoindole-1,3-dione Chemical compound C1=CC(Cl)=CC=C1N1C(=O)C(C(Cl)=C(Cl)C(Cl)=C2Cl)=C2C1=O ZLAHKCUEEYMHFP-UHFFFAOYSA-N 0.000 description 1
- RQGIBQRUNZTIAZ-UHFFFAOYSA-N 4,5,6,7-tetrachloro-2-cyclohexylisoindole-1,3-dione Chemical compound O=C1C2=C(Cl)C(Cl)=C(Cl)C(Cl)=C2C(=O)N1C1CCCCC1 RQGIBQRUNZTIAZ-UHFFFAOYSA-N 0.000 description 1
- 125000004801 4-cyanophenyl group Chemical group [H]C1=C([H])C(C#N)=C([H])C([H])=C1* 0.000 description 1
- WWJAZKZLSDRAIV-UHFFFAOYSA-N 4-fluoro-2-benzofuran-1,3-dione Chemical compound FC1=CC=CC2=C1C(=O)OC2=O WWJAZKZLSDRAIV-UHFFFAOYSA-N 0.000 description 1
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 241000212342 Sium Species 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- XCEUHXVTRJQJSR-UHFFFAOYSA-N bromo(phenyl)phosphane Chemical compound BrPC1=CC=CC=C1 XCEUHXVTRJQJSR-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 150000003983 crown ethers Chemical class 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- YSSSPARMOAYJTE-UHFFFAOYSA-N dibenzo-18-crown-6 Chemical compound O1CCOCCOC2=CC=CC=C2OCCOCCOC2=CC=CC=C21 YSSSPARMOAYJTE-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012025 fluorinating agent Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052500 inorganic mineral Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Chemical class 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical compound C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- AUHHYELHRWCWEZ-UHFFFAOYSA-N tetrachlorophthalic anhydride Chemical compound ClC1=C(Cl)C(Cl)=C2C(=O)OC(=O)C2=C1Cl AUHHYELHRWCWEZ-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/44—Iso-indoles; Hydrogenated iso-indoles
- C07D209/48—Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Indole Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62178882A JPS63258442A (ja) | 1986-08-18 | 1987-07-20 | テトラフルオロフタル酸の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8800484D0 SE8800484D0 (sv) | 1988-02-12 |
| SE8800484L SE8800484L (sv) | 1989-01-21 |
| SE502467C2 true SE502467C2 (sv) | 1995-10-23 |
Family
ID=16056348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8800484A SE502467C2 (sv) | 1987-07-20 | 1988-02-12 | Förfarande för framställning av tetrafluoroftalsyra |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE1002765A4 (en, 2012) |
| CA (1) | CA1305722C (en, 2012) |
| IN (1) | IN166944B (en, 2012) |
| SE (1) | SE502467C2 (en, 2012) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB986892A (en) * | 1961-03-22 | 1965-03-24 | Imp Smelting Corp Ltd | Tetrafluroobenzene dicarboxylic acids and their derivatives |
-
1988
- 1988-02-12 CA CA 558779 patent/CA1305722C/en not_active Expired
- 1988-02-12 SE SE8800484A patent/SE502467C2/sv not_active IP Right Cessation
- 1988-02-17 BE BE8800191A patent/BE1002765A4/fr not_active IP Right Cessation
- 1988-02-19 IN IN107/MAS/88A patent/IN166944B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE8800484L (sv) | 1989-01-21 |
| IN166944B (en, 2012) | 1990-08-11 |
| BE1002765A4 (fr) | 1991-06-04 |
| CA1305722C (en) | 1992-07-28 |
| SE8800484D0 (sv) | 1988-02-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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