CA1084937A - Process for the manufacture of iso-imides or mixtures of iso-imides and imides - Google Patents
Process for the manufacture of iso-imides or mixtures of iso-imides and imidesInfo
- Publication number
- CA1084937A CA1084937A CA271,440A CA271440A CA1084937A CA 1084937 A CA1084937 A CA 1084937A CA 271440 A CA271440 A CA 271440A CA 1084937 A CA1084937 A CA 1084937A
- Authority
- CA
- Canada
- Prior art keywords
- formula
- group
- imides
- carbon atoms
- iso
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 150000003949 imides Chemical class 0.000 title claims abstract description 13
- 239000000203 mixture Substances 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000002253 acid Substances 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- CCGKOQOJPYTBIH-UHFFFAOYSA-N ethenone Chemical compound C=C=O CCGKOQOJPYTBIH-UHFFFAOYSA-N 0.000 claims abstract description 20
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 11
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 9
- 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 abstract description 6
- 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 abstract description 5
- 125000004957 naphthylene group Chemical group 0.000 claims abstract description 4
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 claims abstract description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 17
- -1 phenylsulphonyl Chemical group 0.000 claims description 10
- VZUHQRBBQSLSHS-SSZFMOIBSA-N Isoimide Chemical compound C1=CC(Br)=CC=C1\N=C/1C(CCCC2)=C2C(=O)O\1 VZUHQRBBQSLSHS-SSZFMOIBSA-N 0.000 claims description 5
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 5
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 5
- 125000001931 aliphatic group Chemical class 0.000 claims description 4
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Natural products C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 4
- 125000005843 halogen group Chemical group 0.000 claims description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 3
- 125000001989 1,3-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([H])C([*:2])=C1[H] 0.000 claims description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical group C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 2
- 125000004390 alkyl sulfonyl group Chemical group 0.000 claims description 2
- 125000004414 alkyl thio group Chemical group 0.000 claims description 2
- 150000004292 cyclic ethers Chemical class 0.000 claims description 2
- 125000001188 haloalkyl group Chemical group 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 2
- 125000001589 carboacyl group Chemical group 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 150000002148 esters Chemical class 0.000 abstract description 2
- 229910052717 sulfur Inorganic materials 0.000 abstract description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 239000003139 biocide Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 239000003112 inhibitor Substances 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 description 34
- 235000013350 formula milk Nutrition 0.000 description 19
- 229910052739 hydrogen Inorganic materials 0.000 description 19
- 239000000725 suspension Substances 0.000 description 14
- 238000002329 infrared spectrum Methods 0.000 description 13
- 230000008018 melting Effects 0.000 description 11
- 238000002844 melting Methods 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 239000000460 chlorine Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 125000001424 substituent group Chemical group 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000004821 distillation Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 4
- 125000000732 arylene group Chemical group 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical compound FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 2
- 239000012346 acetyl chloride Substances 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- BDIUUKLMBSBKIT-SREVYHEPSA-N (z)-4-(2,6-dimethylanilino)-4-oxobut-2-enoic acid Chemical compound CC1=CC=CC(C)=C1NC(=O)\C=C/C(O)=O BDIUUKLMBSBKIT-SREVYHEPSA-N 0.000 description 1
- FBTQVXSNFILAQY-WAYWQWQTSA-N (z)-4-(4-chloroanilino)-4-oxobut-2-enoic acid Chemical compound OC(=O)\C=C/C(=O)NC1=CC=C(Cl)C=C1 FBTQVXSNFILAQY-WAYWQWQTSA-N 0.000 description 1
- VLWFSWMZGGZHGD-SREVYHEPSA-N (z)-4-(4-methylanilino)-4-oxobut-2-enoic acid Chemical compound CC1=CC=C(NC(=O)\C=C/C(O)=O)C=C1 VLWFSWMZGGZHGD-SREVYHEPSA-N 0.000 description 1
- AZVWYXUTXSTOQY-WAYWQWQTSA-N (z)-4-(4-nitroanilino)-4-oxobut-2-enoic acid Chemical compound OC(=O)\C=C/C(=O)NC1=CC=C([N+]([O-])=O)C=C1 AZVWYXUTXSTOQY-WAYWQWQTSA-N 0.000 description 1
- SKDIMRRKRVTENP-PEPZGXQESA-N (z)-4-[3-[[(z)-3-carboxyprop-2-enoyl]amino]anilino]-4-oxobut-2-enoic acid Chemical compound OC(=O)\C=C/C(=O)NC1=CC=CC(NC(=O)\C=C/C(O)=O)=C1 SKDIMRRKRVTENP-PEPZGXQESA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 description 1
- FPZQYYXSOJSITC-UHFFFAOYSA-N 1-(4-chlorophenyl)pyrrole-2,5-dione Chemical compound C1=CC(Cl)=CC=C1N1C(=O)C=CC1=O FPZQYYXSOJSITC-UHFFFAOYSA-N 0.000 description 1
- CVKDEEISKBRPEQ-UHFFFAOYSA-N 1-(4-nitrophenyl)pyrrole-2,5-dione Chemical compound C1=CC([N+](=O)[O-])=CC=C1N1C(=O)C=CC1=O CVKDEEISKBRPEQ-UHFFFAOYSA-N 0.000 description 1
- BKKDKRFPDRPFKB-UHFFFAOYSA-N 2-[(4-methylphenyl)carbamoyl]benzoic acid Chemical compound C1=CC(C)=CC=C1NC(=O)C1=CC=CC=C1C(O)=O BKKDKRFPDRPFKB-UHFFFAOYSA-N 0.000 description 1
- LPZOCVVDSHQFST-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-ethylpyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)CC LPZOCVVDSHQFST-UHFFFAOYSA-N 0.000 description 1
- YRCLULQVBWQJCG-UHFFFAOYSA-N 3-azabicyclo[3.3.1]nona-1(9),5,7-triene-2,4-dione Chemical class C1=CC(C(=O)NC2=O)=CC2=C1 YRCLULQVBWQJCG-UHFFFAOYSA-N 0.000 description 1
- RXXCIBALSKQCAE-UHFFFAOYSA-N 3-methylbutoxymethylbenzene Chemical compound CC(C)CCOCC1=CC=CC=C1 RXXCIBALSKQCAE-UHFFFAOYSA-N 0.000 description 1
- NULZNTDKTDTWGL-UHFFFAOYSA-N 5-phenyliminofuran-2-one Chemical compound C1=CC(=O)OC1=NC1=CC=CC=C1 NULZNTDKTDTWGL-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- OPFTUNCRGUEPRZ-QLFBSQMISA-N Cyclohexane Natural products CC(=C)[C@@H]1CC[C@@](C)(C=C)[C@H](C(C)=C)C1 OPFTUNCRGUEPRZ-QLFBSQMISA-N 0.000 description 1
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- TUCNEACPLKLKNU-UHFFFAOYSA-N acetyl Chemical compound C[C]=O TUCNEACPLKLKNU-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229940076134 benzene Drugs 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- FBCCMZVIWNDFMO-UHFFFAOYSA-N dichloroacetyl chloride Chemical compound ClC(Cl)C(Cl)=O FBCCMZVIWNDFMO-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 1
- RIFGWPKJUGCATF-UHFFFAOYSA-N ethyl chloroformate Chemical compound CCOC(Cl)=O RIFGWPKJUGCATF-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- RCFKIGITIBNPQE-UHFFFAOYSA-N methyl 2,2-difluoro-3-oxopentanoate Chemical compound CCC(=O)C(F)(F)C(=O)OC RCFKIGITIBNPQE-UHFFFAOYSA-N 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- HCTVWSOKIJULET-LQDWTQKMSA-M phenoxymethylpenicillin potassium Chemical compound [K+].N([C@H]1[C@H]2SC([C@@H](N2C1=O)C([O-])=O)(C)C)C(=O)COC1=CC=CC=C1 HCTVWSOKIJULET-LQDWTQKMSA-M 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 125000005649 substituted arylene group Chemical group 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/44—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members
- C07D207/444—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members having two doubly-bound oxygen atoms directly attached in positions 2 and 5
- C07D207/448—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members having two doubly-bound oxygen atoms directly attached in positions 2 and 5 with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms, e.g. maleimide
- C07D207/452—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members having two doubly-bound oxygen atoms directly attached in positions 2 and 5 with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms, e.g. maleimide with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/90—Benzo [c] furans; Hydrogenated benzo [c] furans with an oxygen atom in position 1 and a nitrogen atom in position 3, or vice versa
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrrole Compounds (AREA)
- Indole Compounds (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH164876A CH598213A5 (enrdf_load_stackoverflow) | 1976-02-11 | 1976-02-11 | |
| CH1648/76 | 1976-02-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1084937A true CA1084937A (en) | 1980-09-02 |
Family
ID=4215366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA271,440A Expired CA1084937A (en) | 1976-02-11 | 1977-02-09 | Process for the manufacture of iso-imides or mixtures of iso-imides and imides |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS6055514B2 (enrdf_load_stackoverflow) |
| BE (1) | BE851277A (enrdf_load_stackoverflow) |
| CA (1) | CA1084937A (enrdf_load_stackoverflow) |
| CH (1) | CH598213A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2705186A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2340942A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1523705A (enrdf_load_stackoverflow) |
| NL (1) | NL7701315A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4794190A (en) * | 1987-01-28 | 1988-12-27 | Amoco Corporation | Aromatic maleimide-isomaleimide compound |
| US5892061A (en) * | 1996-12-06 | 1999-04-06 | Mitsui Chemicals, Inc. | Process for preparing isoimides |
| KR20130016041A (ko) * | 2011-08-04 | 2013-02-14 | 재단법인 의약바이오컨버젼스연구단 | 신규한 아닐린 유도체 및 이의 용도 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3035065A (en) * | 1959-11-05 | 1962-05-15 | Union Carbide Corp | Isomaleimides and a process for the preparation thereof |
-
1976
- 1976-02-11 CH CH164876A patent/CH598213A5/xx not_active IP Right Cessation
-
1977
- 1977-02-07 FR FR7703306A patent/FR2340942A1/fr active Granted
- 1977-02-07 GB GB494777A patent/GB1523705A/en not_active Expired
- 1977-02-08 NL NL7701315A patent/NL7701315A/xx not_active Application Discontinuation
- 1977-02-08 DE DE19772705186 patent/DE2705186A1/de active Granted
- 1977-02-09 CA CA271,440A patent/CA1084937A/en not_active Expired
- 1977-02-10 JP JP1404677A patent/JPS6055514B2/ja not_active Expired
- 1977-02-10 BE BE174803A patent/BE851277A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2340942A1 (fr) | 1977-09-09 |
| DE2705186A1 (de) | 1977-08-18 |
| FR2340942B1 (enrdf_load_stackoverflow) | 1980-02-08 |
| DE2705186C2 (enrdf_load_stackoverflow) | 1988-10-27 |
| BE851277A (fr) | 1977-08-10 |
| GB1523705A (en) | 1978-09-06 |
| NL7701315A (nl) | 1977-08-15 |
| JPS5297959A (en) | 1977-08-17 |
| CH598213A5 (enrdf_load_stackoverflow) | 1978-05-12 |
| JPS6055514B2 (ja) | 1985-12-05 |
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