CH650775A5 - Verfahren zur herstellung von 5-benzylidenhydantoinen. - Google Patents
Verfahren zur herstellung von 5-benzylidenhydantoinen. Download PDFInfo
- Publication number
- CH650775A5 CH650775A5 CH408981A CH408981A CH650775A5 CH 650775 A5 CH650775 A5 CH 650775A5 CH 408981 A CH408981 A CH 408981A CH 408981 A CH408981 A CH 408981A CH 650775 A5 CH650775 A5 CH 650775A5
- Authority
- CH
- Switzerland
- Prior art keywords
- group
- formula
- benzylidene
- hydantoin
- mol
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title description 2
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 claims description 27
- 229940091173 hydantoin Drugs 0.000 claims description 27
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzenecarboxaldehyde Natural products O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 claims description 23
- -1 benzylidene imine Chemical class 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 13
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 125000003342 alkenyl group Chemical group 0.000 claims description 8
- 125000000392 cycloalkenyl group Chemical group 0.000 claims description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- UDTSPKADQGPZFS-SOFGYWHQSA-N (5e)-5-benzylideneimidazolidine-2,4-dione Chemical compound N1C(=O)NC(=O)\C1=C/C1=CC=CC=C1 UDTSPKADQGPZFS-SOFGYWHQSA-N 0.000 claims description 7
- UDTSPKADQGPZFS-UHFFFAOYSA-N 1/7/3775 Natural products N1C(=O)NC(=O)C1=CC1=CC=CC=C1 UDTSPKADQGPZFS-UHFFFAOYSA-N 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 125000004423 acyloxy group Chemical group 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 4
- 125000004442 acylamino group Chemical group 0.000 claims description 3
- 125000005035 acylthio group Chemical group 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 125000004414 alkyl thio group Chemical group 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 125000004663 dialkyl amino group Chemical group 0.000 claims description 3
- 125000003277 amino group Chemical group 0.000 claims description 2
- 150000003935 benzaldehydes Chemical class 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- 239000011541 reaction mixture Substances 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 2
- 125000002924 primary amino group Chemical class [H]N([H])* 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 description 12
- 239000000047 product Substances 0.000 description 9
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 238000004809 thin layer chromatography Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 150000001299 aldehydes Chemical class 0.000 description 6
- RFTORHYUCZJHDO-UHFFFAOYSA-N 1,3-dimethylimidazolidine-2,4-dione Chemical compound CN1CC(=O)N(C)C1=O RFTORHYUCZJHDO-UHFFFAOYSA-N 0.000 description 5
- PZRTWEJREZGWCF-UHFFFAOYSA-N 1-acetylimidazolidine-2,4-dione Chemical compound CC(=O)N1CC(=O)NC1=O PZRTWEJREZGWCF-UHFFFAOYSA-N 0.000 description 4
- RGHHSNMVTDWUBI-UHFFFAOYSA-N 4-hydroxybenzaldehyde Chemical compound OC1=CC=C(C=O)C=C1 RGHHSNMVTDWUBI-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- SATCULPHIDQDRE-UHFFFAOYSA-N piperonal Chemical compound O=CC1=CC=C2OCOC2=C1 SATCULPHIDQDRE-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000003934 aromatic aldehydes Chemical class 0.000 description 3
- 150000001469 hydantoins Chemical class 0.000 description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- VCXCEVVTIMSXQD-UHFFFAOYSA-N 1-(1,3-benzodioxol-5-yl)-n-ethylmethanimine Chemical compound CCN=CC1=CC=C2OCOC2=C1 VCXCEVVTIMSXQD-UHFFFAOYSA-N 0.000 description 2
- KVGSLBLTDZNUQX-UHFFFAOYSA-N 1-acetyl-5-benzylideneimidazolidine-2,4-dione Chemical compound C(C1=CC=CC=C1)=C1C(NC(N1C(C)=O)=O)=O KVGSLBLTDZNUQX-UHFFFAOYSA-N 0.000 description 2
- DFROALYLRQTARX-UHFFFAOYSA-N 1-phenyl-n-propylmethanimine Chemical compound CCCN=CC1=CC=CC=C1 DFROALYLRQTARX-UHFFFAOYSA-N 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- OPHQOIGEOHXOGX-UHFFFAOYSA-N 3,4,5-trimethoxybenzaldehyde Chemical compound COC1=CC(C=O)=CC(OC)=C1OC OPHQOIGEOHXOGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- COLNVLDHVKWLRT-QMMMGPOBSA-N L-phenylalanine Chemical group OC(=O)[C@@H](N)CC1=CC=CC=C1 COLNVLDHVKWLRT-QMMMGPOBSA-N 0.000 description 2
- RHYBFKMFHLPQPH-UHFFFAOYSA-N N-methylhydantoin Chemical compound CN1CC(=O)NC1=O RHYBFKMFHLPQPH-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 229940040526 anhydrous sodium acetate Drugs 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- WTWBUQJHJGUZCY-UHFFFAOYSA-N cuminaldehyde Chemical compound CC(C)C1=CC=C(C=O)C=C1 WTWBUQJHJGUZCY-UHFFFAOYSA-N 0.000 description 2
- IIVYBNBDIDWPQV-UHFFFAOYSA-N n-ethyl-1-phenylmethanimine Chemical compound CCN=CC1=CC=CC=C1 IIVYBNBDIDWPQV-UHFFFAOYSA-N 0.000 description 2
- 235000008729 phenylalanine Nutrition 0.000 description 2
- 150000003141 primary amines Chemical class 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UPDDIBZITPTASO-UHFFFAOYSA-N (5Z)-5-(4-hydroxybenzylidene)imidazolidine-2,4-dione Natural products C1=CC(O)=CC=C1C=C1C(=O)NC(=O)N1 UPDDIBZITPTASO-UHFFFAOYSA-N 0.000 description 1
- UPDDIBZITPTASO-YVMONPNESA-N (5z)-5-[(4-hydroxyphenyl)methylidene]imidazolidine-2,4-dione Chemical compound C1=CC(O)=CC=C1\C=C/1C(=O)NC(=O)N\1 UPDDIBZITPTASO-YVMONPNESA-N 0.000 description 1
- CPNYVWWWWXIGMK-UHFFFAOYSA-N 1,3-diphenylimidazolidine-2,4-dione Chemical compound O=C1CN(C=2C=CC=CC=2)C(=O)N1C1=CC=CC=C1 CPNYVWWWWXIGMK-UHFFFAOYSA-N 0.000 description 1
- VKOWSAAXBQIQFU-UHFFFAOYSA-N 1-(1,3-benzodioxol-5-yl)-n-methylmethanimine Chemical compound CN=CC1=CC=C2OCOC2=C1 VKOWSAAXBQIQFU-UHFFFAOYSA-N 0.000 description 1
- XEQYONDFJIHMMH-UHFFFAOYSA-N 1-(3-bromo-4-methoxyphenyl)-N-cyclohexylmethanimine Chemical compound BrC=1C=C(C=NC2CCCCC2)C=CC1OC XEQYONDFJIHMMH-UHFFFAOYSA-N 0.000 description 1
- JYEMHOTUCUFTLO-UHFFFAOYSA-N 1-ethylimidazolidine-2,4-dione Chemical compound CCN1CC(=O)NC1=O JYEMHOTUCUFTLO-UHFFFAOYSA-N 0.000 description 1
- MZRJHJCATGZKTC-UHFFFAOYSA-N 1-propylimidazolidine-2,4-dione Chemical compound CCCN1CC(=O)NC1=O MZRJHJCATGZKTC-UHFFFAOYSA-N 0.000 description 1
- ALUFITGOFDIAAA-UHFFFAOYSA-N 2-(benzylideneamino)ethanol Chemical compound OCCN=CC1=CC=CC=C1 ALUFITGOFDIAAA-UHFFFAOYSA-N 0.000 description 1
- LIYGCLJYTHRBQV-UHFFFAOYSA-N 3,5-dichloro-4-hydroxybenzaldehyde Chemical compound OC1=C(Cl)C=C(C=O)C=C1Cl LIYGCLJYTHRBQV-UHFFFAOYSA-N 0.000 description 1
- QMPNFQLVIGPNEI-UHFFFAOYSA-N 3-bromo-4-methoxybenzaldehyde Chemical compound COC1=CC=C(C=O)C=C1Br QMPNFQLVIGPNEI-UHFFFAOYSA-N 0.000 description 1
- RDAFNSMYPSHCBK-UHFFFAOYSA-N 3-phenylprop-2-en-1-amine Chemical compound NCC=CC1=CC=CC=C1 RDAFNSMYPSHCBK-UHFFFAOYSA-N 0.000 description 1
- BGNGWHSBYQYVRX-UHFFFAOYSA-N 4-(dimethylamino)benzaldehyde Chemical compound CN(C)C1=CC=C(C=O)C=C1 BGNGWHSBYQYVRX-UHFFFAOYSA-N 0.000 description 1
- ILRDZCFSHTTXGG-UHFFFAOYSA-N 4-(dodecyliminomethyl)-n,n-dimethylaniline Chemical compound CCCCCCCCCCCCN=CC1=CC=C(N(C)C)C=C1 ILRDZCFSHTTXGG-UHFFFAOYSA-N 0.000 description 1
- BXRFQSNOROATLV-UHFFFAOYSA-N 4-nitrobenzaldehyde Chemical compound [O-][N+](=O)C1=CC=C(C=O)C=C1 BXRFQSNOROATLV-UHFFFAOYSA-N 0.000 description 1
- HTJDQJBWANPRPF-UHFFFAOYSA-N Cyclopropylamine Chemical compound NC1CC1 HTJDQJBWANPRPF-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 229940031098 ethanolamine Drugs 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- MIYKHJXFICMPOJ-UHFFFAOYSA-N n-benzyl-1-phenylmethanimine Chemical compound C=1C=CC=CC=1CN=CC1=CC=CC=C1 MIYKHJXFICMPOJ-UHFFFAOYSA-N 0.000 description 1
- GNOGHNWSLQGOHV-UHFFFAOYSA-N n-ethyl-1-(4-propan-2-ylphenyl)methanimine Chemical compound CCN=CC1=CC=C(C(C)C)C=C1 GNOGHNWSLQGOHV-UHFFFAOYSA-N 0.000 description 1
- COLNVLDHVKWLRT-UHFFFAOYSA-N phenylalanine Natural products OC(=O)C(N)CC1=CC=CC=C1 COLNVLDHVKWLRT-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members 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
- C07D233/72—Two oxygen atoms, e.g. hydantoin
- C07D233/76—Two oxygen atoms, e.g. hydantoin with substituted hydrocarbon radicals attached to the third ring carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members 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
- C07D233/72—Two oxygen atoms, e.g. hydantoin
- C07D233/74—Two oxygen atoms, e.g. hydantoin with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to other ring members
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members 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
- C07D233/72—Two oxygen atoms, e.g. hydantoin
- C07D233/76—Two oxygen atoms, e.g. hydantoin with substituted hydrocarbon radicals attached to the third ring carbon atom
- C07D233/78—Radicals substituted by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members 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
- C07D233/72—Two oxygen atoms, e.g. hydantoin
- C07D233/80—Two oxygen atoms, e.g. hydantoin with hetero atoms or acyl radicals directly attached to ring nitrogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803023349 DE3023349A1 (de) | 1980-06-21 | 1980-06-21 | Verfahren zur herstellung von 5-arylidenhydantoinen (c) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH650775A5 true CH650775A5 (de) | 1985-08-15 |
Family
ID=6105181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH408981A CH650775A5 (de) | 1980-06-21 | 1981-06-19 | Verfahren zur herstellung von 5-benzylidenhydantoinen. |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5731669A (enrdf_load_stackoverflow) |
| BE (1) | BE889319A (enrdf_load_stackoverflow) |
| CH (1) | CH650775A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3023349A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2485011A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2078218B (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0798808B2 (ja) * | 1986-10-16 | 1995-10-25 | 味の素株式会社 | 新規ジメトキシベンザ−ルヒダントイン誘導体 |
| JPH0798809B2 (ja) * | 1986-10-16 | 1995-10-25 | 味の素株式会社 | 新規ヒダントイン誘導体 |
| IE62214B1 (en) * | 1988-05-25 | 1995-01-11 | Warner Lambert Co | Arylmethylenyl derivatives of thiazolidinones, imidazolidinones and oxazolidinones useful as antiallergy agents and antiinflammatory agents |
| US5306822A (en) * | 1988-05-25 | 1994-04-26 | Warner-Lambert Company | Arylmethylenyl derivatives of oxazolidinone |
| US5143928A (en) * | 1990-03-27 | 1992-09-01 | Warner-Lambert Company | 3,5-di-tertiarybutyl-4-hydroxyphenylmethylene derivatives of 2-substituted thiazolidinones, oxazolidinones, and imidazolidinones as antiinflammatory agents |
| US5143929A (en) * | 1991-05-09 | 1992-09-01 | Warner-Lambert Company | 2-substituted thiazolidinone, oxazolidinone, and imidazolidinone derivatives of fenamates as antiinflammatory agents |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2861079A (en) * | 1956-06-04 | 1958-11-18 | Dow Chemical Co | Process for making unsaturated hydantoins |
| GB1439318A (en) * | 1972-06-16 | 1976-06-16 | Canada Packers Ltd | 5-substituted benzal- hydantoins derivatives |
-
1980
- 1980-06-21 DE DE19803023349 patent/DE3023349A1/de active Granted
-
1981
- 1981-04-09 FR FR8107112A patent/FR2485011A1/fr active Granted
- 1981-06-01 GB GB8116684A patent/GB2078218B/en not_active Expired
- 1981-06-17 JP JP9239981A patent/JPS5731669A/ja active Pending
- 1981-06-19 CH CH408981A patent/CH650775A5/de not_active IP Right Cessation
- 1981-06-19 BE BE6/47480A patent/BE889319A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE889319A (fr) | 1981-12-21 |
| FR2485011B1 (enrdf_load_stackoverflow) | 1983-05-13 |
| GB2078218B (en) | 1984-02-08 |
| FR2485011A1 (fr) | 1981-12-24 |
| DE3023349C2 (enrdf_load_stackoverflow) | 1988-02-18 |
| GB2078218A (en) | 1982-01-06 |
| JPS5731669A (en) | 1982-02-20 |
| DE3023349A1 (de) | 1982-01-14 |
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