FR2460955A1 - Procede de preparation de l'ergotamine et des alcaloides du groupe ergotoxine - Google Patents
Procede de preparation de l'ergotamine et des alcaloides du groupe ergotoxine Download PDFInfo
- Publication number
- FR2460955A1 FR2460955A1 FR7917860A FR7917860A FR2460955A1 FR 2460955 A1 FR2460955 A1 FR 2460955A1 FR 7917860 A FR7917860 A FR 7917860A FR 7917860 A FR7917860 A FR 7917860A FR 2460955 A1 FR2460955 A1 FR 2460955A1
- Authority
- FR
- France
- Prior art keywords
- alkaloids
- ergotamine
- acid
- sclerotia
- extraction
- 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.)
- Granted
Links
- 229930013930 alkaloid Natural products 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 40
- OFKDAAIKGIBASY-VFGNJEKYSA-N ergotamine Chemical compound C([C@H]1C(=O)N2CCC[C@H]2[C@]2(O)O[C@@](C(N21)=O)(C)NC(=O)[C@H]1CN([C@H]2C(C3=CC=CC4=NC=C([C]34)C2)=C1)C)C1=CC=CC=C1 OFKDAAIKGIBASY-VFGNJEKYSA-N 0.000 title claims abstract description 14
- 229960004943 ergotamine Drugs 0.000 title claims abstract description 14
- XCGSFFUVFURLIX-UHFFFAOYSA-N ergotaminine Natural products C1=C(C=2C=CC=C3NC=C(C=23)C2)C2N(C)CC1C(=O)NC(C(N12)=O)(C)OC1(O)C1CCCN1C(=O)C2CC1=CC=CC=C1 XCGSFFUVFURLIX-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- XLMJRFCCCWFQRE-SJRQCXNHSA-N ecboline Chemical group C([C@H]1[C@]2(O)O3)CCN1C(=O)CN2C(=O)[C@]3(C(C)C)NC(=O)[C@@H](CN(C)[C@@H]1C2)C=C1C1=C3C2=CNC3=CC=C1 XLMJRFCCCWFQRE-SJRQCXNHSA-N 0.000 title claims description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 21
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002253 acid Substances 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001556 precipitation Methods 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims abstract description 6
- 241000221751 Claviceps purpurea Species 0.000 claims abstract description 5
- 238000013375 chromatographic separation Methods 0.000 claims abstract description 5
- 238000010828 elution Methods 0.000 claims abstract description 5
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 238000000746 purification Methods 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims abstract description 3
- 230000007928 solubilization Effects 0.000 claims abstract 2
- 238000005063 solubilization Methods 0.000 claims abstract 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 20
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- 239000002904 solvent Substances 0.000 claims description 13
- 241000576755 Sclerotia Species 0.000 claims description 8
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 5
- 238000006317 isomerization reaction Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000011975 tartaric acid Substances 0.000 claims description 5
- 235000002906 tartaric acid Nutrition 0.000 claims description 5
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000004587 chromatography analysis Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- 230000035614 depigmentation Effects 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 150000003797 alkaloid derivatives Chemical class 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- 239000003929 acidic solution Substances 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- 229940032007 methylethyl ketone Drugs 0.000 claims 1
- 229940095064 tartrate Drugs 0.000 claims 1
- 239000012670 alkaline solution Substances 0.000 abstract description 2
- 239000011260 aqueous acid Substances 0.000 abstract 1
- 229930195734 saturated hydrocarbon Natural products 0.000 abstract 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 8
- -1 Alkaloid salts Chemical class 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- HEFIYUQVAZFDEE-UHFFFAOYSA-N ergocristinine Natural products N12C(=O)C(C(C)C)(NC(=O)C3C=C4C=5C=CC=C6NC=C(C=56)CC4N(C)C3)OC2(O)C2CCCN2C(=O)C1CC1=CC=CC=C1 HEFIYUQVAZFDEE-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-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
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- OWEUDBYTKOYTAD-MKTPKCENSA-N ergocristine Chemical compound C([C@H]1C(=O)N2CCC[C@H]2[C@]2(O)O[C@](C(N21)=O)(NC(=O)[C@@H]1C=C2C3=CC=CC4=NC=C([C]34)C[C@H]2N(C)C1)C(C)C)C1=CC=CC=C1 OWEUDBYTKOYTAD-MKTPKCENSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- UJYGDMFEEDNVBF-UHFFFAOYSA-N Ergocorninine Natural products C1=CC(C=2C(N(C)CC(C=2)C(=O)NC2(C(=O)N3C(C(N4CCCC4C3(O)O2)=O)C(C)C)C(C)C)C2)=C3C2=CNC3=C1 UJYGDMFEEDNVBF-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229950001817 alpha-ergocryptine Drugs 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 1
- 210000000349 chromosome Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000008029 eradication Effects 0.000 description 1
- UJYGDMFEEDNVBF-XJUOHTAZSA-N ergocorninine Chemical compound C1=CC(C=2[C@@H](N(C)C[C@@H](C=2)C(=O)N[C@]2(C(=O)N3[C@@H](C(N4CCC[C@H]4[C@]3(O)O2)=O)C(C)C)C(C)C)C2)=C3C2=CNC3=C1 UJYGDMFEEDNVBF-XJUOHTAZSA-N 0.000 description 1
- HEFIYUQVAZFDEE-NASJTFDLSA-N ergocristinine Chemical compound C([C@H]1C(=O)N2CCC[C@H]2[C@]2(O)O[C@](C(N21)=O)(NC(=O)[C@H]1C=C2C=3C=CC=C4NC=C(C=34)C[C@H]2N(C)C1)C(C)C)C1=CC=CC=C1 HEFIYUQVAZFDEE-NASJTFDLSA-N 0.000 description 1
- 229960003133 ergot alkaloid Drugs 0.000 description 1
- ZKQFHRVKCYFVCN-UHFFFAOYSA-N ethoxyethane;hexane Chemical compound CCOCC.CCCCCC ZKQFHRVKCYFVCN-UHFFFAOYSA-N 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- 238000002803 maceration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004094 preconcentration Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
- C07D519/02—Ergot alkaloids of the cyclic peptide type
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Medicines Containing Plant Substances (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7917860A FR2460955A1 (fr) | 1979-07-10 | 1979-07-10 | Procede de preparation de l'ergotamine et des alcaloides du groupe ergotoxine |
| DE8080401033T DE3063118D1 (en) | 1979-07-10 | 1980-07-09 | Process for the preparation of ergotamine and of alcaloids of the ergotoxine group |
| EP80401033A EP0022418B1 (fr) | 1979-07-10 | 1980-07-09 | Procédé de préparation de l'ergotamine et des alcaloides du groupe ergotoxine |
| AT80401033T ATE3296T1 (de) | 1979-07-10 | 1980-07-09 | Verfahren zur herstellung von ergotamin und alkaloiden der ergotoxin-gruppe. |
| ES493272A ES8104310A1 (es) | 1979-07-10 | 1980-07-10 | Procedimiento de preparacion de ergotamina y de alcaloides del grupo ergotoxina |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7917860A FR2460955A1 (fr) | 1979-07-10 | 1979-07-10 | Procede de preparation de l'ergotamine et des alcaloides du groupe ergotoxine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2460955A1 true FR2460955A1 (fr) | 1981-01-30 |
| FR2460955B1 FR2460955B1 (https=) | 1982-11-05 |
Family
ID=9227715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7917860A Granted FR2460955A1 (fr) | 1979-07-10 | 1979-07-10 | Procede de preparation de l'ergotamine et des alcaloides du groupe ergotoxine |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0022418B1 (https=) |
| AT (1) | ATE3296T1 (https=) |
| DE (1) | DE3063118D1 (https=) |
| ES (1) | ES8104310A1 (https=) |
| FR (1) | FR2460955A1 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003074526A2 (en) * | 2002-02-28 | 2003-09-12 | Mallinckrodt Inc. | Method and system for separation and purification of at least one narcotic alkaloid using reverse phase preparative chromatography |
| JP2007523174A (ja) * | 2004-02-20 | 2007-08-16 | イヴァックス ファーマシューティカルズ エス.アール.オー. | 麦角から麦角アルカロイド類を単離する方法 |
| DE102010060382B4 (de) | 2010-11-05 | 2013-05-29 | Bundesanstalt für Materialforschung und -Prüfung (BAM) | Analysenverfahren zur Isolierung von Mykotoxinen mit einer Ergolin-Grundstruktur, insbesondere von Ergotalkaloiden |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2089081A5 (https=) * | 1970-04-02 | 1972-01-07 | Lek Tovarna Farmacevtskih |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE697760C (de) * | 1937-12-09 | 1940-10-22 | Kali Chemie Akt Ges | Verfahren zur Gewinnung der grossen Gesamtalkaloide des Mutterkorns |
-
1979
- 1979-07-10 FR FR7917860A patent/FR2460955A1/fr active Granted
-
1980
- 1980-07-09 AT AT80401033T patent/ATE3296T1/de active
- 1980-07-09 EP EP80401033A patent/EP0022418B1/fr not_active Expired
- 1980-07-09 DE DE8080401033T patent/DE3063118D1/de not_active Expired
- 1980-07-10 ES ES493272A patent/ES8104310A1/es not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2089081A5 (https=) * | 1970-04-02 | 1972-01-07 | Lek Tovarna Farmacevtskih |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3063118D1 (en) | 1983-06-16 |
| ES493272A0 (es) | 1981-04-16 |
| ATE3296T1 (de) | 1983-05-15 |
| EP0022418A1 (fr) | 1981-01-14 |
| FR2460955B1 (https=) | 1982-11-05 |
| EP0022418B1 (fr) | 1983-05-11 |
| ES8104310A1 (es) | 1981-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5478736A (en) | Process for the isolation and purification of taxol and taxanes from Taxus using methanol or acetone | |
| HU225969B1 (en) | Method of obtaining 10-deacetylbaccatine iii | |
| JPH08501792A (ja) | 10−デアセチルバッカチン▲i▼▲i▼▲i▼を得る方法 | |
| EP0041935A1 (fr) | Dérivés n-(vinblastinoyl-23) d'acides aminés et de peptides ainsi que leur préparation | |
| CA2299149A1 (fr) | Procede d'isolation et de purification du paclitaxel a partir de sources naturelles | |
| US5900367A (en) | Method for purifying taxol from taxus biomass | |
| EP0022418B1 (fr) | Procédé de préparation de l'ergotamine et des alcaloides du groupe ergotoxine | |
| JP4698841B2 (ja) | 抽出によるアロインの製造方法 | |
| JP4435988B2 (ja) | タクサス・スピーシーズ植物の回収可能部分から10−デアセチル・バッカティンiiiを単離する方法 | |
| US7169307B2 (en) | Process for the extraction of paclitaxel and 9-dihydro-13-acetylbaccatin III from Taxus | |
| EP0133096B1 (fr) | Nouveaux dérivés de synergistines, leur préparation et les compositions pharmaceutiques qui les contiennent | |
| LU83822A1 (fr) | Derives n-(vinblastinoyl-23)d'acides amines,leur preparation et leur application therapeutique | |
| EP0207846B1 (fr) | Procédé pour la séparation et l'isolement du nosiheptide | |
| EP0839141B1 (fr) | Procede d'extraction et d'isolement de la 10-desacetylbaccatine iii | |
| FR2505829A1 (fr) | Procede pour l'elimination du groupe n-formyle de peptides n-formyles et d'esters de peptides n-formyles | |
| FR2583419A1 (fr) | Procede pour la preparation de 2-bromo-a-ergocryptine et ses sels d'addition d'acides. | |
| FR2691716A1 (fr) | Procédé de préparation de sels de déféroxamine de grande pureté. | |
| EP0211573B1 (en) | Novel antimicrobial active agent and its production | |
| KR0150347B1 (ko) | 결정화에 의한 텍서스속 식물체로 부터 택솔의 정제방법 | |
| FR2559153A1 (fr) | Procede de purification d'oxacephalosporines | |
| BE889136A (fr) | Derives n-(vinglastinoyl-23) d'acides amines et de peptides, leur preparation et leur application therapeutique | |
| BE572570A (https=) | ||
| FR2499554A1 (fr) | Procede pour la preparation de sclareol | |
| FR2544318A1 (fr) | Procede de preparation de vindoline et de catharanthine | |
| FR2741065A1 (fr) | Procede de preparation du sclareol comprenant une etape de chromatographie d'adsorption sur silice |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property |