HU183266B - Process for the extraction of non-filtered fermentation liquors produced by strains of claviceps purpurea - Google Patents
Process for the extraction of non-filtered fermentation liquors produced by strains of claviceps purpurea Download PDFInfo
- Publication number
- HU183266B HU183266B HU802986A HU298680A HU183266B HU 183266 B HU183266 B HU 183266B HU 802986 A HU802986 A HU 802986A HU 298680 A HU298680 A HU 298680A HU 183266 B HU183266 B HU 183266B
- Authority
- HU
- Hungary
- Prior art keywords
- extraction
- alkaloids
- fermentation broth
- extracted
- fermentation
- Prior art date
Links
- 238000000855 fermentation Methods 0.000 title claims abstract description 56
- 230000004151 fermentation Effects 0.000 title claims abstract description 56
- 238000000605 extraction Methods 0.000 title claims abstract description 38
- 241000221751 Claviceps purpurea Species 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 20
- 229930013930 alkaloid Natural products 0.000 claims abstract description 41
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 150000003797 alkaloid derivatives Chemical class 0.000 claims abstract description 13
- 230000002538 fungal effect Effects 0.000 claims abstract description 6
- 239000003960 organic solvent Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 235000010633 broth Nutrition 0.000 claims description 37
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims description 2
- 240000009226 Corylus americana Species 0.000 claims 1
- 235000001543 Corylus americana Nutrition 0.000 claims 1
- 235000007466 Corylus avellana Nutrition 0.000 claims 1
- 125000003262 carboxylic acid ester group Chemical class [H]C([H])([*:2])OC(=O)C([H])([H])[*:1] 0.000 claims 1
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 claims 1
- 239000000284 extract Substances 0.000 abstract description 14
- XLMJRFCCCWFQRE-SJRQCXNHSA-N ecboline Chemical class 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 abstract 1
- 229960003133 ergot alkaloid Drugs 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 47
- 235000019439 ethyl acetate Nutrition 0.000 description 16
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 10
- WVVSZNPYNCNODU-CJBNDPTMSA-N Ergometrine Natural products C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N[C@@H](CO)C)C2)=C3C2=CNC3=C1 WVVSZNPYNCNODU-CJBNDPTMSA-N 0.000 description 10
- 239000012071 phase Substances 0.000 description 10
- WVVSZNPYNCNODU-XTQGRXLLSA-N Lysergic acid propanolamide Chemical compound C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N[C@H](CO)C)C2)=C3C2=CNC3=C1 WVVSZNPYNCNODU-XTQGRXLLSA-N 0.000 description 9
- 229960001405 ergometrine Drugs 0.000 description 9
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 8
- YDOTUXAWKBPQJW-UHFFFAOYSA-N ergocryptine Chemical compound C1=CC(C=2C(N(C)CC(C=2)C(=O)NC2(C(=O)N3C(C(N4CCCC4C3(O)O2)=O)CC(C)C)C(C)C)C2)=C3C2=CNC3=C1 YDOTUXAWKBPQJW-UHFFFAOYSA-N 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 6
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 6
- 229940043265 methyl isobutyl ketone Drugs 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 229930015720 peptide alkaloid Natural products 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 4
- 239000002024 ethyl acetate extract Substances 0.000 description 4
- 239000002609 medium Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000003053 toxin Substances 0.000 description 4
- 231100000765 toxin Toxicity 0.000 description 4
- 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 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- XQUUDUKVJKNJNP-OGGGUQDZSA-N ergocornine Chemical compound C([C@H]1N(C)C2)C([C]34)=CN=C4C=CC=C3C1=C[C@H]2C(=O)N[C@@]1(C(C)C)C(=O)N2[C@@H](C(C)C)C(=O)N3CCC[C@H]3[C@]2(O)O1 XQUUDUKVJKNJNP-OGGGUQDZSA-N 0.000 description 3
- -1 ergometrine Natural products 0.000 description 3
- 230000003204 osmotic effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- YREISLCRUMOYAY-BKQYHRSVSA-N (6ar)-n-(1-hydroxypropan-2-yl)-7-methyl-6,6a,8,9-tetrahydro-4h-indolo[4,3-fg]quinoline-9-carboxamide;(z)-but-2-enedioic acid Chemical compound OC(=O)\C=C/C(O)=O.C1=CC(C=2[C@H](N(C)CC(C=2)C(=O)NC(CO)C)C2)=C3C2=CNC3=C1 YREISLCRUMOYAY-BKQYHRSVSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 229950001817 alpha-ergocryptine Drugs 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- WVVSZNPYNCNODU-PLQHRBFRSA-N (6ar,9s)-n-[(2s)-1-hydroxypropan-2-yl]-7-methyl-6,6a,8,9-tetrahydro-4h-indolo[4,3-fg]quinoline-9-carboxamide Chemical compound C1=CC(C=2[C@H](N(C)C[C@H](C=2)C(=O)N[C@H](CO)C)C2)=C3C2=CNC3=C1 WVVSZNPYNCNODU-PLQHRBFRSA-N 0.000 description 1
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- ILSYTMBVJDPAKS-UHFFFAOYSA-N 2,3-dihydroxybutanedioic acid;propan-2-one Chemical compound CC(C)=O.OC(=O)C(O)C(O)C(O)=O ILSYTMBVJDPAKS-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 235000000604 Chrysanthemum parthenium Nutrition 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-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
- 241000207925 Leonurus Species 0.000 description 1
- 235000000802 Leonurus cardiaca ssp. villosus Nutrition 0.000 description 1
- 241001503485 Mammuthus Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 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
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- YDOTUXAWKBPQJW-NSLWYYNWSA-N alpha-ergocryptine 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)CC(C)C)C(C)C)C2)=C3C2=CNC3=C1 YDOTUXAWKBPQJW-NSLWYYNWSA-N 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- DCXYFEDJOCDNAF-UHFFFAOYSA-M asparaginate Chemical compound [O-]C(=O)C(N)CC(N)=O DCXYFEDJOCDNAF-UHFFFAOYSA-M 0.000 description 1
- JUCVMCNRABNRJD-UHFFFAOYSA-N azane;ethyl acetate Chemical compound N.CCOC(C)=O JUCVMCNRABNRJD-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 150000002689 maleic acids Chemical class 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Inorganic materials [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Inorganic materials [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D457/00—Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid
- C07D457/04—Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid 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 in position 8
- C07D457/06—Lysergic acid amides
-
- 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)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU802986A HU183266B (en) | 1980-12-15 | 1980-12-15 | Process for the extraction of non-filtered fermentation liquors produced by strains of claviceps purpurea |
| BE1/10371A BE891421A (fr) | 1980-12-15 | 1981-12-10 | Procede pour l'extraction de bouillons de fermentation non filtres |
| CH7955/81A CH650531A5 (en) | 1980-12-15 | 1981-12-14 | Process for the extraction of unfiltered fermentation broths |
| IT25583/81A IT1142098B (it) | 1980-12-15 | 1981-12-14 | Procedimento per l'estrazione di brodi di fermentazione n/n filtrati |
| FR8123261A FR2496123B1 (fr) | 1980-12-15 | 1981-12-14 | Procede pour l'extraction de bouillons de fermentation non filtres |
| CS819346A CS250211B2 (en) | 1980-12-15 | 1981-12-15 | Method of non-filtered fermenting substrates extraction |
| JP56201032A JPS57150398A (en) | 1980-12-15 | 1981-12-15 | Extraction of unfiltered fermentation liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU802986A HU183266B (en) | 1980-12-15 | 1980-12-15 | Process for the extraction of non-filtered fermentation liquors produced by strains of claviceps purpurea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU183266B true HU183266B (en) | 1984-04-28 |
Family
ID=10962008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU802986A HU183266B (en) | 1980-12-15 | 1980-12-15 | Process for the extraction of non-filtered fermentation liquors produced by strains of claviceps purpurea |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS57150398A (ja) |
| BE (1) | BE891421A (ja) |
| CH (1) | CH650531A5 (ja) |
| CS (1) | CS250211B2 (ja) |
| FR (1) | FR2496123B1 (ja) |
| HU (1) | HU183266B (ja) |
| IT (1) | IT1142098B (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0218578D0 (en) | 2002-08-09 | 2002-09-18 | Glaxo Group Ltd | Novel method |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4086141A (en) * | 1976-11-08 | 1978-04-25 | Veb Arzneimittelwerk Dresden | Process for the fermentation production of ergoline derivatives |
-
1980
- 1980-12-15 HU HU802986A patent/HU183266B/hu not_active IP Right Cessation
-
1981
- 1981-12-10 BE BE1/10371A patent/BE891421A/fr not_active IP Right Cessation
- 1981-12-14 IT IT25583/81A patent/IT1142098B/it active
- 1981-12-14 CH CH7955/81A patent/CH650531A5/de not_active IP Right Cessation
- 1981-12-14 FR FR8123261A patent/FR2496123B1/fr not_active Expired
- 1981-12-15 JP JP56201032A patent/JPS57150398A/ja active Granted
- 1981-12-15 CS CS819346A patent/CS250211B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH650531A5 (en) | 1985-07-31 |
| FR2496123B1 (fr) | 1985-08-09 |
| IT8125583A0 (it) | 1981-12-14 |
| FR2496123A1 (fr) | 1982-06-18 |
| BE891421A (fr) | 1982-06-10 |
| JPS57150398A (en) | 1982-09-17 |
| JPH0141314B2 (ja) | 1989-09-05 |
| IT1142098B (it) | 1986-10-08 |
| CS250211B2 (en) | 1987-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0672669B1 (en) | Process for the preparation of potassium clavulanate | |
| RU2206613C2 (ru) | Способ выделения клавулановой кислоты | |
| NO763474L (ja) | ||
| EP0813536B2 (en) | Process for the preparation of pharmaceutically acceptable salts of clavulanic acid | |
| NO314505B1 (no) | Fremgangsmåte for fremstilling av et salt av clavulansyre | |
| HU183266B (en) | Process for the extraction of non-filtered fermentation liquors produced by strains of claviceps purpurea | |
| US4014994A (en) | Process for the recovery and purification of partricin | |
| CN103012344B (zh) | 从洛伐他汀结晶母液中回收洛伐他汀的方法 | |
| EP0941229B1 (en) | Purification of fermented clavulanic acid | |
| US6417352B1 (en) | Process for the isolation of a pharmaceutically acceptable alkali metal salt of clavulanic acid | |
| EP1095046A1 (en) | Improved process for the preparation of salts and esters of clavulanic acid | |
| US20010029038A1 (en) | Purification of fermented clavulanic acid | |
| RU2088586C1 (ru) | Способ получения клавулановой кислоты или ее фармацевтически приемлемых солей или эфиров | |
| CN115536672A (zh) | 他克莫司粗品的提取方法和应用 | |
| US2935520A (en) | Recovery of steroids from fermentation broth | |
| WO1998042858A1 (en) | Process for the isolation of a pharmaceutically acceptable alkali metal salt of clavulanic acid | |
| MXPA01000439A (en) | Improved process for the preparation of salts and esters of clavulanic acid | |
| WO2006113768A1 (en) | Fermentation broth extraction of k-252a | |
| WO2008065160A1 (en) | Process for the production of clavulanic acid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HU90 | Patent valid on 900628 | ||
| HMM4 | Cancellation of final prot. due to non-payment of fee |