DE2603400A1 - Verfahren zur herstellung von heterocyclischen verbindungen - Google Patents
Verfahren zur herstellung von heterocyclischen verbindungenInfo
- Publication number
- DE2603400A1 DE2603400A1 DE19762603400 DE2603400A DE2603400A1 DE 2603400 A1 DE2603400 A1 DE 2603400A1 DE 19762603400 DE19762603400 DE 19762603400 DE 2603400 A DE2603400 A DE 2603400A DE 2603400 A1 DE2603400 A1 DE 2603400A1
- Authority
- DE
- Germany
- Prior art keywords
- parts
- stands
- group
- adjusted
- formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 150000002391 heterocyclic compounds Chemical class 0.000 title description 3
- 238000004519 manufacturing process Methods 0.000 title description 3
- 238000000034 method Methods 0.000 claims description 12
- -1 sulfophenyl group Chemical group 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 7
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 5
- 125000000753 cycloalkyl 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
- 150000002148 esters Chemical class 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 125000002950 monocyclic group Chemical group 0.000 claims description 3
- 125000003107 substituted aryl group Chemical group 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 125000000547 substituted alkyl group Chemical group 0.000 claims description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 28
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 18
- 229910000029 sodium carbonate Inorganic materials 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 239000000376 reactant Substances 0.000 description 9
- IOMZCWUHFGMSEJ-UHFFFAOYSA-N 4-(azaniumylamino)benzenesulfonate Chemical compound NNC1=CC=C(S(O)(=O)=O)C=C1 IOMZCWUHFGMSEJ-UHFFFAOYSA-N 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000005481 NMR spectroscopy Methods 0.000 description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 6
- 239000011976 maleic acid Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- NKHAVTQWNUWKEO-UHFFFAOYSA-N fumaric acid monomethyl ester Natural products COC(=O)C=CC(O)=O NKHAVTQWNUWKEO-UHFFFAOYSA-N 0.000 description 4
- NKHAVTQWNUWKEO-IHWYPQMZSA-N methyl hydrogen fumarate Chemical compound COC(=O)\C=C/C(O)=O NKHAVTQWNUWKEO-IHWYPQMZSA-N 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- LTPHOCGKLKQVBY-UHFFFAOYSA-N 5-oxo-1-(4-sulfophenyl)pyrazolidine-3-carboxylic acid Chemical compound N1C(C(=O)O)CC(=O)N1C1=CC=C(S(O)(=O)=O)C=C1 LTPHOCGKLKQVBY-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 150000002429 hydrazines Chemical class 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- HKOOXMFOFWEVGF-UHFFFAOYSA-N phenylhydrazine Chemical compound NNC1=CC=CC=C1 HKOOXMFOFWEVGF-UHFFFAOYSA-N 0.000 description 2
- 229940067157 phenylhydrazine Drugs 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- FGODPVCKFLEVFG-UHFFFAOYSA-N (2-methoxyphenyl)hydrazine Chemical compound COC1=CC=CC=C1NN FGODPVCKFLEVFG-UHFFFAOYSA-N 0.000 description 1
- GFPJLZASIVURDY-UHFFFAOYSA-N (3-chlorophenyl)hydrazine Chemical compound NNC1=CC=CC(Cl)=C1 GFPJLZASIVURDY-UHFFFAOYSA-N 0.000 description 1
- KPIOFCJOKUHZPF-UHFFFAOYSA-N (3-methoxyphenyl)hydrazine Chemical compound COC1=CC=CC(NN)=C1 KPIOFCJOKUHZPF-UHFFFAOYSA-N 0.000 description 1
- PVRSIFAEUCUJPK-UHFFFAOYSA-N (4-methoxyphenyl)hydrazine Chemical compound COC1=CC=C(NN)C=C1 PVRSIFAEUCUJPK-UHFFFAOYSA-N 0.000 description 1
- XAMBIJWZVIZZOG-UHFFFAOYSA-N (4-methylphenyl)hydrazine Chemical compound CC1=CC=C(NN)C=C1 XAMBIJWZVIZZOG-UHFFFAOYSA-N 0.000 description 1
- QQCYMGFLVZNQQO-YPKPFQOOSA-N (z)-2,3-diphenylbut-2-enedioic acid Chemical compound C=1C=CC=CC=1/C(C(=O)O)=C(/C(O)=O)C1=CC=CC=C1 QQCYMGFLVZNQQO-YPKPFQOOSA-N 0.000 description 1
- SASYHUDIOGGZCN-ARJAWSKDSA-N (z)-2-ethylbut-2-enedioic acid Chemical compound CC\C(C(O)=O)=C\C(O)=O SASYHUDIOGGZCN-ARJAWSKDSA-N 0.000 description 1
- CQNPSIAJXGEDQS-VURMDHGXSA-N (z)-2-phenylbut-2-enedioic acid Chemical compound OC(=O)\C=C(/C(O)=O)C1=CC=CC=C1 CQNPSIAJXGEDQS-VURMDHGXSA-N 0.000 description 1
- CCKSYUMJLIMSQK-PLNGDYQASA-N (z)-2-propylbut-2-enedioic acid Chemical compound CCC\C(C(O)=O)=C\C(O)=O CCKSYUMJLIMSQK-PLNGDYQASA-N 0.000 description 1
- QKUGKZFASYQCGO-SREVYHEPSA-N (z)-4-oxo-4-phenylmethoxybut-2-enoic acid Chemical compound OC(=O)\C=C/C(=O)OCC1=CC=CC=C1 QKUGKZFASYQCGO-SREVYHEPSA-N 0.000 description 1
- AYAUWVRAUCDBFR-ARJAWSKDSA-N (z)-4-oxo-4-propoxybut-2-enoic acid Chemical compound CCCOC(=O)\C=C/C(O)=O AYAUWVRAUCDBFR-ARJAWSKDSA-N 0.000 description 1
- KRUBIPPMIUBECW-UHFFFAOYSA-N 1-(4-methylphenyl)-5-oxopyrazolidine-3-carboxylic acid Chemical compound C1=CC(C)=CC=C1N1C(=O)CC(C(O)=O)N1 KRUBIPPMIUBECW-UHFFFAOYSA-N 0.000 description 1
- BSZXAFXFTLXUFV-UHFFFAOYSA-N 1-phenylethylbenzene Chemical compound C=1C=CC=CC=1C(C)C1=CC=CC=C1 BSZXAFXFTLXUFV-UHFFFAOYSA-N 0.000 description 1
- KCCAEAVURRVETD-UHFFFAOYSA-N 2-hydrazinyl-5-methylbenzene-1,3-disulfonic acid Chemical compound CC1=CC(S(O)(=O)=O)=C(NN)C(S(O)(=O)=O)=C1 KCCAEAVURRVETD-UHFFFAOYSA-N 0.000 description 1
- AOJRRQNPQBDATA-UHFFFAOYSA-N 2-hydroxy-2-(2-methylpropyl)butanedioic acid Chemical compound CC(C)CC(O)(C(O)=O)CC(O)=O AOJRRQNPQBDATA-UHFFFAOYSA-N 0.000 description 1
- BETVYDRDYNXGPS-UHFFFAOYSA-N 3-hydrazinyl-5-nitrobenzenesulfonic acid Chemical compound NNC1=CC([N+]([O-])=O)=CC(S(O)(=O)=O)=C1 BETVYDRDYNXGPS-UHFFFAOYSA-N 0.000 description 1
- XXNOGQJZAOXWAQ-UHFFFAOYSA-N 4-chlorophenylhydrazine Chemical compound NNC1=CC=C(Cl)C=C1 XXNOGQJZAOXWAQ-UHFFFAOYSA-N 0.000 description 1
- WINSXFAJDLYUAP-UHFFFAOYSA-N 4-hydrazinyl-2-nitrobenzenesulfonic acid Chemical compound NNC1=CC=C(S(O)(=O)=O)C([N+]([O-])=O)=C1 WINSXFAJDLYUAP-UHFFFAOYSA-N 0.000 description 1
- PCNFLKVWBDNNOW-UHFFFAOYSA-N 4-hydrazinylbenzoic acid Chemical compound NNC1=CC=C(C(O)=O)C=C1 PCNFLKVWBDNNOW-UHFFFAOYSA-N 0.000 description 1
- FEPBITJSIHRMRT-UHFFFAOYSA-N 4-hydroxybenzenesulfonic acid Chemical compound OC1=CC=C(S(O)(=O)=O)C=C1 FEPBITJSIHRMRT-UHFFFAOYSA-N 0.000 description 1
- KMVPXBDOWDXXEN-UHFFFAOYSA-N 4-nitrophenylhydrazine Chemical compound NNC1=CC=C([N+]([O-])=O)C=C1 KMVPXBDOWDXXEN-UHFFFAOYSA-N 0.000 description 1
- VIJBHIDEMTUNPV-UHFFFAOYSA-N 5-hydrazinyl-2-nitrobenzenesulfonic acid Chemical compound NNC1=CC=C([N+]([O-])=O)C(S(O)(=O)=O)=C1 VIJBHIDEMTUNPV-UHFFFAOYSA-N 0.000 description 1
- ZHOJCOTWSPRKAC-UHFFFAOYSA-N 5-hydrazinylbenzene-1,3-disulfonic acid Chemical compound NNC1=CC(S(O)(=O)=O)=CC(S(O)(=O)=O)=C1 ZHOJCOTWSPRKAC-UHFFFAOYSA-N 0.000 description 1
- XLYMOEINVGRTEX-ARJAWSKDSA-N Ethyl hydrogen fumarate Chemical compound CCOC(=O)\C=C/C(O)=O XLYMOEINVGRTEX-ARJAWSKDSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- BFBOIDWYDYAZCD-UHFFFAOYSA-N [4-[2-(2-nitrophenyl)ethenyl]phenyl]hydrazine Chemical compound C1=CC(NN)=CC=C1C=CC1=CC=CC=C1[N+]([O-])=O BFBOIDWYDYAZCD-UHFFFAOYSA-N 0.000 description 1
- CGBYBGVMDAPUIH-UHFFFAOYSA-N acide dimethylmaleique Natural products OC(=O)C(C)=C(C)C(O)=O CGBYBGVMDAPUIH-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000068 chlorophenyl group Chemical group 0.000 description 1
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
- 229940018557 citraconic acid Drugs 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
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- CGBYBGVMDAPUIH-ARJAWSKDSA-N dimethylmaleic acid Chemical compound OC(=O)C(/C)=C(/C)C(O)=O CGBYBGVMDAPUIH-ARJAWSKDSA-N 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- LTYMSROWYAPPGB-UHFFFAOYSA-N diphenyl sulfide Chemical compound C=1C=CC=CC=1SC1=CC=CC=C1 LTYMSROWYAPPGB-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- XLYMOEINVGRTEX-UHFFFAOYSA-N fumaric acid monoethyl ester Natural products CCOC(=O)C=CC(O)=O XLYMOEINVGRTEX-UHFFFAOYSA-N 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 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 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical compound [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- XBCIOBSQHJYVBQ-UHFFFAOYSA-N naphthalen-1-ylhydrazine Chemical compound C1=CC=C2C(NN)=CC=CC2=C1 XBCIOBSQHJYVBQ-UHFFFAOYSA-N 0.000 description 1
- VNICRWVQYFRWDK-UHFFFAOYSA-N naphthalen-2-ylhydrazine Chemical compound C1=CC=CC2=CC(NN)=CC=C21 VNICRWVQYFRWDK-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000006501 nitrophenyl group Chemical group 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical class CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- NDGRWYRVNANFNB-UHFFFAOYSA-N pyrazolidin-3-one Chemical compound O=C1CCNN1 NDGRWYRVNANFNB-UHFFFAOYSA-N 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 125000004079 stearyl 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])C([H])([H])C([H])([H])C([H])([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 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D231/08—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with oxygen or sulfur atoms directly attached to ring carbon 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 |
|---|---|---|---|
| GB4291/75A GB1500023A (en) | 1975-01-31 | 1975-01-31 | Manufacture of 1-aryl-3-carboxy-pyrazolid-5-ones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2603400A1 true DE2603400A1 (de) | 1976-08-05 |
Family
ID=9774388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762603400 Pending DE2603400A1 (de) | 1975-01-31 | 1976-01-29 | Verfahren zur herstellung von heterocyclischen verbindungen |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4095024A (forum.php) |
| JP (1) | JPS51105059A (forum.php) |
| BE (1) | BE837875A (forum.php) |
| CH (1) | CH598226A5 (forum.php) |
| DE (1) | DE2603400A1 (forum.php) |
| FR (1) | FR2299325A1 (forum.php) |
| GB (1) | GB1500023A (forum.php) |
| IT (1) | IT1062436B (forum.php) |
| NL (1) | NL7600953A (forum.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0409118A1 (de) * | 1989-07-18 | 1991-01-23 | Hoechst Schering AgrEvo GmbH | Pyrazoline und ihre Verwendung als Safener |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4220791A (en) * | 1979-03-08 | 1980-09-02 | E. R. Squibb & Sons, Inc. | Mercaptoacylpyrazolidinone carboxylic acid derivatives |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2704762A (en) * | 1952-08-25 | 1955-03-22 | Ilford Ltd | Production of 3-pyrazolidones |
| NL121416C (forum.php) * | 1961-05-31 | |||
| NL286908A (forum.php) * | 1961-12-19 |
-
1975
- 1975-01-31 GB GB4291/75A patent/GB1500023A/en not_active Expired
-
1976
- 1976-01-23 BE BE163775A patent/BE837875A/xx unknown
- 1976-01-29 DE DE19762603400 patent/DE2603400A1/de active Pending
- 1976-01-30 IT IT19789/76A patent/IT1062436B/it active
- 1976-01-30 NL NL7600953A patent/NL7600953A/xx not_active Application Discontinuation
- 1976-01-30 CH CH116076A patent/CH598226A5/xx not_active IP Right Cessation
- 1976-01-30 FR FR7602608A patent/FR2299325A1/fr not_active Withdrawn
- 1976-01-30 JP JP51009925A patent/JPS51105059A/ja active Pending
- 1976-01-30 US US05/653,832 patent/US4095024A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0409118A1 (de) * | 1989-07-18 | 1991-01-23 | Hoechst Schering AgrEvo GmbH | Pyrazoline und ihre Verwendung als Safener |
Also Published As
| Publication number | Publication date |
|---|---|
| BE837875A (fr) | 1976-07-23 |
| GB1500023A (en) | 1978-02-08 |
| CH598226A5 (forum.php) | 1978-04-28 |
| JPS51105059A (forum.php) | 1976-09-17 |
| US4095024A (en) | 1978-06-13 |
| FR2299325A1 (fr) | 1976-08-27 |
| IT1062436B (it) | 1984-10-10 |
| NL7600953A (nl) | 1976-08-03 |
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