DE3214942C2 - - Google Patents
Info
- Publication number
- DE3214942C2 DE3214942C2 DE19823214942 DE3214942A DE3214942C2 DE 3214942 C2 DE3214942 C2 DE 3214942C2 DE 19823214942 DE19823214942 DE 19823214942 DE 3214942 A DE3214942 A DE 3214942A DE 3214942 C2 DE3214942 C2 DE 3214942C2
- Authority
- DE
- Germany
- Prior art keywords
- vincamine
- peroxide
- acid
- general formula
- bis
- 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 - Lifetime
Links
- RXPRRQLKFXBCSJ-GIVPXCGWSA-N vincamine Chemical compound C1=CC=C2C(CCN3CCC4)=C5[C@@H]3[C@]4(CC)C[C@](O)(C(=O)OC)N5C2=C1 RXPRRQLKFXBCSJ-GIVPXCGWSA-N 0.000 claims description 69
- RXPRRQLKFXBCSJ-UHFFFAOYSA-N dl-Vincamin Natural products C1=CC=C2C(CCN3CCC4)=C5C3C4(CC)CC(O)(C(=O)OC)N5C2=C1 RXPRRQLKFXBCSJ-UHFFFAOYSA-N 0.000 claims description 40
- 229960002726 vincamine Drugs 0.000 claims description 31
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 18
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims description 17
- GIGFIWJRTMBSRP-UHFFFAOYSA-N DL-Vincadifformin Natural products C1C(C(=O)OC)=C2NC3=CC=CC=C3C22CCN3CCCC1(CC)C23 GIGFIWJRTMBSRP-UHFFFAOYSA-N 0.000 claims description 16
- FNGGIPWAZSFKCN-ACRUOGEOSA-N tabersonine Chemical class N1C2=CC=CC=C2[C@]2([C@H]34)C1=C(C(=O)OC)C[C@]3(CC)C=CCN4CC2 FNGGIPWAZSFKCN-ACRUOGEOSA-N 0.000 claims description 16
- 150000003839 salts Chemical class 0.000 claims description 13
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 claims description 12
- 150000002978 peroxides Chemical class 0.000 claims description 11
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007858 starting material Substances 0.000 claims description 9
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000008707 rearrangement Effects 0.000 claims description 7
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 5
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- BPOLBANKAKKUPS-UHFFFAOYSA-N 1,2-dioxacycloundecane-3,6,7,11-tetrone Chemical compound C1(CCC(=O)C(CCCC(=O)OO1)=O)=O BPOLBANKAKKUPS-UHFFFAOYSA-N 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 239000012429 reaction media Substances 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 72
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 66
- 239000000243 solution Substances 0.000 description 30
- 238000006243 chemical reaction Methods 0.000 description 19
- 239000000203 mixture Substances 0.000 description 19
- 239000011541 reaction mixture Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- FNGGIPWAZSFKCN-UHFFFAOYSA-N xi-tabersonine Natural products N1C2=CC=CC=C2C2(C34)C1=C(C(=O)OC)CC3(CC)C=CCN4CC2 FNGGIPWAZSFKCN-UHFFFAOYSA-N 0.000 description 14
- KQRZXSFABBICGL-UHFFFAOYSA-N Tabersonin Natural products COC(=O)C1=C2Nc3ccccc3C24CCN5CC=CC(C1)C45 KQRZXSFABBICGL-UHFFFAOYSA-N 0.000 description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- -1 alkyl peroxides Chemical class 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 239000012071 phase Substances 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 10
- 239000013078 crystal Substances 0.000 description 10
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 8
- 235000011114 ammonium hydroxide Nutrition 0.000 description 8
- 239000007800 oxidant agent Substances 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 239000000908 ammonium hydroxide Substances 0.000 description 7
- 238000004128 high performance liquid chromatography Methods 0.000 description 6
- WKACQPMBGWZDMR-UHFFFAOYSA-N Vincamin Natural products CC=C1/CN2CCC34CC2C1C(=C3Nc5ccccc45)C=O WKACQPMBGWZDMR-UHFFFAOYSA-N 0.000 description 5
- 239000012452 mother liquor Substances 0.000 description 5
- 230000035484 reaction time Effects 0.000 description 5
- 238000004448 titration Methods 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000012933 diacyl peroxide Substances 0.000 description 4
- 238000006345 epimerization reaction Methods 0.000 description 4
- 150000004967 organic peroxy acids Chemical class 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 3
- 238000006462 rearrangement reaction Methods 0.000 description 3
- ZJAFQAPHWPSKRZ-UHFFFAOYSA-N 4-nitrobenzenecarboperoxoic acid Chemical compound OOC(=O)C1=CC=C([N+]([O-])=O)C=C1 ZJAFQAPHWPSKRZ-UHFFFAOYSA-N 0.000 description 2
- OZDNDGXASTWERN-CTNGQTDRSA-N Apovincamine Chemical compound C1=CC=C2C(CCN3CCC4)=C5[C@@H]3[C@]4(CC)C=C(C(=O)OC)N5C2=C1 OZDNDGXASTWERN-CTNGQTDRSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 150000001204 N-oxides Chemical class 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- 229930013930 alkaloid Natural products 0.000 description 2
- 229950006936 apovincamine Drugs 0.000 description 2
- OZDNDGXASTWERN-UHFFFAOYSA-N apovincamine Natural products C1=CC=C2C(CCN3CCC4)=C5C3C4(CC)C=C(C(=O)OC)N5C2=C1 OZDNDGXASTWERN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 150000004965 peroxy acids Chemical class 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- BQGJXFQCMYJENQ-UHFFFAOYSA-N 14-epi-Delta17-vincamine Natural products C12=CC=CC=C2N2C(O)(C(=O)OC)CC3(CC)C4C2=C1CCN4CC=C3 BQGJXFQCMYJENQ-UHFFFAOYSA-N 0.000 description 1
- RXPRRQLKFXBCSJ-HLAWJBBLSA-N 16-epivincamine Chemical compound C1=CC=C2C(CCN3CCC4)=C5[C@@H]3[C@]4(CC)C[C@@](O)(C(=O)OC)N5C2=C1 RXPRRQLKFXBCSJ-HLAWJBBLSA-N 0.000 description 1
- JSLDLCGKZDUQSH-RTBUJCADSA-N 19-epivindolinine Natural products O=C(OC)[C@H]1[C@@]23[C@H](C)[C@]4([C@@H]5N(CC=C4)CC[C@]25c2c(N3)cccc2)C1 JSLDLCGKZDUQSH-RTBUJCADSA-N 0.000 description 1
- LJGHYPLBDBRCRZ-UHFFFAOYSA-N 3-(3-aminophenyl)sulfonylaniline Chemical compound NC1=CC=CC(S(=O)(=O)C=2C=C(N)C=CC=2)=C1 LJGHYPLBDBRCRZ-UHFFFAOYSA-N 0.000 description 1
- YNJSNEKCXVFDKW-UHFFFAOYSA-N 3-(5-amino-1h-indol-3-yl)-2-azaniumylpropanoate Chemical compound C1=C(N)C=C2C(CC(N)C(O)=O)=CNC2=C1 YNJSNEKCXVFDKW-UHFFFAOYSA-N 0.000 description 1
- NHQDETIJWKXCTC-UHFFFAOYSA-N 3-chloroperbenzoic acid Chemical group OOC(=O)C1=CC=CC(Cl)=C1 NHQDETIJWKXCTC-UHFFFAOYSA-N 0.000 description 1
- 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 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- KILNDJCLJBOWAN-UHFFFAOYSA-N Tabersonine Natural products CCC12CC(=C3N(C)c4cc(OC)ccc4C35CCN(CC=C1)C25)C(=O)OC KILNDJCLJBOWAN-UHFFFAOYSA-N 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
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
- 239000012346 acetyl chloride Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000003797 alkaloid derivatives Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000006696 biosynthetic metabolic pathway Effects 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 150000001734 carboxylic acid salts Chemical class 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- ACKFDYCQCBEDNU-UHFFFAOYSA-J lead(2+);tetraacetate Chemical compound [Pb+2].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O ACKFDYCQCBEDNU-UHFFFAOYSA-J 0.000 description 1
- NIQQIJXGUZVEBB-UHFFFAOYSA-N methanol;propan-2-one Chemical compound OC.CC(C)=O NIQQIJXGUZVEBB-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- WYJAPUKIYAZSEM-UHFFFAOYSA-N rac-Eburnamonin Natural products C1=CC=C2C(CCN3CCC4)=C5C3C4(CC)CC(=O)N5C2=C1 WYJAPUKIYAZSEM-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 150000003657 tungsten Chemical class 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D461/00—Heterocyclic compounds containing indolo [3,2,1-d,e] pyrido [3,2,1,j] [1,5]-naphthyridine ring systems, e.g. vincamine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU105281A HU185255B (en) | 1981-04-23 | 1981-04-23 | New process preparing compounds with eburnane skeleton by means of the oxidative transformation of tabersonine or dihydrotabersonine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3214942A1 DE3214942A1 (de) | 1983-02-10 |
| DE3214942C2 true DE3214942C2 (enrdf_load_html_response) | 1992-01-02 |
Family
ID=10952644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823214942 Granted DE3214942A1 (de) | 1981-04-23 | 1982-04-22 | Verfahren zur herstellung von vincaminsaeurederivaten durch oxydative umlagerung von tabersonin oder dihydrotabersonin |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE892908A (enrdf_load_html_response) |
| DE (1) | DE3214942A1 (enrdf_load_html_response) |
| FR (1) | FR2504531A1 (enrdf_load_html_response) |
| HU (1) | HU185255B (enrdf_load_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106749230B (zh) * | 2016-12-20 | 2019-01-08 | 东北制药集团股份有限公司 | 一种长春胺的制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2332280A1 (fr) * | 1975-11-20 | 1977-06-17 | Kunesch Nicole | Procede de preparation de vincamine et d'epivincamine a partir de la (-) tabersonine |
| FR2358412A1 (fr) * | 1976-07-13 | 1978-02-10 | Parcor | Procede de preparation de la vincamine et d'alcaloides apparentes |
| DE2745415C2 (de) * | 1977-10-08 | 1983-06-23 | Boehringer Mannheim Gmbh, 6800 Mannheim | Verfahren zur Herstellung von (-)-Vincamin |
| FR2423493A1 (fr) * | 1977-10-19 | 1979-11-16 | Omnium Chimique Sa | Nouveaux composes heterocycliques derives de l'apo-vincamine, leur preparation et leur application comme medicaments, notamment dans le domaine des insuffisances cardio-circulatoires, cerebro-vasculaires et respiratoires |
-
1981
- 1981-04-23 HU HU105281A patent/HU185255B/hu not_active IP Right Cessation
-
1982
- 1982-04-20 BE BE0/207875A patent/BE892908A/fr not_active IP Right Cessation
- 1982-04-21 FR FR8206868A patent/FR2504531A1/fr active Granted
- 1982-04-22 DE DE19823214942 patent/DE3214942A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2504531A1 (fr) | 1982-10-29 |
| BE892908A (fr) | 1982-08-16 |
| HU185255B (en) | 1984-12-28 |
| FR2504531B1 (enrdf_load_html_response) | 1985-01-04 |
| DE3214942A1 (de) | 1983-02-10 |
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