DE4138042C2 - Epothilones, their production processes and agents containing these compounds - Google Patents
Epothilones, their production processes and agents containing these compoundsInfo
- Publication number
- DE4138042C2 DE4138042C2 DE19914138042 DE4138042A DE4138042C2 DE 4138042 C2 DE4138042 C2 DE 4138042C2 DE 19914138042 DE19914138042 DE 19914138042 DE 4138042 A DE4138042 A DE 4138042A DE 4138042 C2 DE4138042 C2 DE 4138042C2
- Authority
- DE
- Germany
- Prior art keywords
- epothilones
- methanol
- strain
- epothilone
- irtran
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P17/00—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms
- C12P17/18—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms containing at least two hetero rings condensed among themselves or condensed with a common carbocyclic ring system, e.g. rifamycin
- C12P17/181—Heterocyclic compounds containing oxygen atoms as the only ring heteroatoms in the condensed system, e.g. Salinomycin, Septamycin
Description
Die Erfindung betrifft Epothilone der folgenden allgemeinen Formel:The invention relates to epothilones of the following general formula:
worin R¹ Wasserstoff, C₁- bis C₄-Alkyl, C₁- bis C₄-Acyl, Li⁺, K⁺, Na⁺, 1/2 Mg2+ oder 1/2 Ca2+ bedeutet und R² Wasserstoff oder eine Methylgruppe darstellt.wherein R¹ is hydrogen, C₁ to C₄ alkyl, C₁ to C₄ acyl, Li⁺, K⁺, Na⁺, 1/2 Mg 2+ or 1/2 Ca 2+ and R² represents hydrogen or a methyl group.
Ferner betrifft die Erfindung ein Epothilon, gekennzeichnet durch einen oder mehrere der folgenden Parameter: The invention further relates to an epothilone, characterized by one or more of the following parameters:
C₂₆H₃₉NO₆S[493]
FAB-MS (neg. Ionen): 429.25 für (M-H)-
UV (MeOH) λmax (log ε) = 210 (4.17); 249 (3.97)C₂₆H₃₉NO₆S [493]
FAB-MS (neg. Ions): 429.25 for (MH) -
UV (MeOH) λ max (log ε) = 210 (4.17); 249 (3.97)
IR Film auf Irtran:
ν: 3429; 2966; 2937; 1737; 1691; 1463; 1374; 1295; 1257; 1185; 1150; 1087; 1029; 1014; 979 cm-1 IR film on Irtran:
ν: 3429; 2966; 2937; 1737; 1691; 1463; 1374; 1295; 1257; 1185; 1150; 1087; 1029; 1014; 979 cm -1
DC: RF = 0,75
DC-Alufolie 60 F₂₅₄, Merck; Laufmittel:
Dichlormethan/Methanol = 90 : 10
Detektion:
1. UV-Löschung bei 254 nm
2. Ansprühen mit Vanillin/Schwefelsäure-Reagenz und erhitzen auf 120°C, braune
AnfärbungDC: R F = 0.75
TLC aluminum foil 60 F₂₅₄, Merck; Eluent:
Dichloromethane / methanol = 90:10
Detection:
1. UV quenching at 254 nm
2. Spray on with vanillin / sulfuric acid reagent and heat to 120 ° C, brown color
HPLC: Rt = 5,4 min
Säule: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Fluß: 1,5 ml/min; Laufmittel: Methanol/Wasser = 65 : 35
Detektor: UV 254 nmHPLC: R t = 5.4 min
Column: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Flow: 1.5 ml / min; Mobile solvent: methanol / water = 65:35
Detector: UV 254 nm
Des weiteren betrifft die Erfindung ein Epothilon, gekennzeichnet durch einen oder mehrere der folgenden Parameter: The invention further relates to an epothilone, characterized by one or more of the following parameters:
C₂₇H₄₁NO₆S[507]
FAB-MS (neg. Ionen): 506.25 für (M-H)- C₂₇H₄₁NO₆S [507]
FAB-MS (neg. Ions): 506.25 for (MH) -
UV (MeOH)λmax (log ε) = 210 (4.17); 249 (3.97)UV (MeOH) λ max (log ε) = 210 (4.17); 249 (3.97)
IR Film auf Irtran:
ν = 3400; 2958; 2931; 2875; 1735; 1689; 1629; 1609; 1463; 1378; 1250; 1149; 1049; 977 cm-1 IR film on Irtran:
ν = 3400; 2958; 2931; 2875; 1735; 1689; 1629; 1609; 1463; 1378; 1250; 1149; 1049; 977 cm -1
DC: RF = 0,75
DC-Alufolie 60 F₂₅₄, Merck; Laufmittel:
Dichlormethan/Methanol = 90 : 10
Detektion:
1. UV-Löschung bei 254 nm
2. Ansprühen mit Vanillin/Schwefelsäure-Reagenz und erhitzt auf 120°C, braune AnfärbungDC: R F = 0.75
TLC aluminum foil 60 F₂₅₄, Merck; Eluent:
Dichloromethane / methanol = 90:10
Detection:
1. UV quenching at 254 nm
2. Spray on with vanillin / sulfuric acid reagent and heat to 120 ° C, brown color
HPLC: Rt = 6,3 min
Säule: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Fluß: 1,5 ml/min; Laufmittel: Methanol/Wasser = 65 : 35
Detektor: UV 254 nmHPLC: R t = 6.3 min
Column: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Flow: 1.5 ml / min; Mobile solvent: methanol / water = 65:35
Detector: UV 254 nm
Besonders bevorzugt sind Epothilone mit der folgenden StrukturformelEpothilones with the following structural formula are particularly preferred
worin R² Wasserstoff oder Methyl bedeutet. (Das Kohlenstoffatom der Methylgruppe wird als C27 bezeichnet). Ferner betrifft die Erfindung ein Verfahren zum Gewinnen von Epothilonen, insbesondere der vorstehend charakterisierten Epothilone, das dadurch gekennzeichnet ist, daß man den Stamm So ce90 DSM 6773wherein R² is hydrogen or methyl. (The carbon atom the methyl group is referred to as C27). Furthermore, the Invention a method for obtaining epothilones, in particular of the epothilones characterized above, which thereby is characterized in that the strain So ce90 DSM 6773
- - in einem Kohlenstoffquellen, Stickstoffquellen und Mineralsalze enthaltenden Medium kultiviert,- in a carbon sources, nitrogen sources and mineral salts cultivated medium,
- - entweder während der Kultivierung des Stammes oder anschließend ein Adsorberharz zusetzt,- either during the cultivation of the strain or afterwards adds an adsorber resin,
- - die Fermenterbrühe abtrennt,- separates the fermenter broth,
- - die Epothilone aus dem Adsorberharz eluiert und- the epothilones eluted from the adsorber resin and
- - die Eluate direkt oder über weitere Reinigungsschritte von dem/den Lösungsmittel(n) befreit,- the eluate directly or via further cleaning steps from freed from the solvent (s),
- - und gegebenenfalls über Hochdruck/Niederdruckchromatographie und/oder Umkristallisation die verschiedenen Epothilone aufreinigt und voneinander trennt.- And if necessary via high pressure / low pressure chromatography and / or recrystallization of the different epothilones purified and separated from each other.
Gegebenenfalls können die so gewonnenen Epothilone mit gängigen chemischen Verfahren weiter umgesetzt werden, z. B. mit Basen in die Alkali- und Erdalkalisalze überführt und gegebenenfalls weiter zu Ethern umgesetzt werden, oder sie können mit organischen Säuren in die entsprechenden Ester überführt werden.If necessary, the epothilones obtained in this way can be used with common chemical processes are further implemented, e.g. B. with bases in the alkali and alkaline earth metal salts are transferred and, if appropriate be further converted to ethers, or they can be organic Acids are converted into the corresponding esters.
Ferner betrifft die Erfindung Mittel für den Pflanzenschutz in Landwirtschaft, Forstwirtschaft und/oder Gartenbau, bestehend aus einem oder mehreren der vorstehend aufgeführten Epothilone oder eines oder mehrere dieser Epothilone enthaltend, neben einem oder mehreren üblichen Träger(n) und/oder Verdünnungsmittel(n). The invention further relates to agents for crop protection in agriculture, forestry and / or horticulture from one or more of the epothilones listed above or containing one or more of these epothilones, in addition to one or more conventional carriers and / or diluents.
Schließlich betrifft die Erfindung therapeutische Mittel, die insbesondere cytotoxische Aktivitäten entwickeln und/oder Immunsupression bewirken können, bestehend aus einem oder mehreren der vorstehend aufgeführten Epothilone oder eines oder mehrere dieser Epothilone enthaltend, neben einem oder mehreren üblichen Träger(n) und/oder Verdünnungsmittel(n).Finally, the invention relates to therapeutic agents who develop cytotoxic activities in particular and / or Can cause immunosuppression consisting of one or more the epothilones listed above or one or more containing these epothilones, next to one or several common carriers (s) and / or diluent (s).
Im folgenden wird die Erfindung anhand von Beispielen und experimentellen Daten näher erläutert.In the following the invention is illustrated by examples and experimental Data explained in more detail.
Stamm So ce90 wurde im Juli 1985 an der Gesellschaft für Biotechnologische Forschung (GBF) aus einer Bodenprobe von den Ufern des Zambesi, Südafrika, isoliert. Der Stamm ist bei der Deutschen Sammlung von Mikroorganismen (DSM) unter Nr. 6773 hinterlegt.Strain So ce90 was born in July 1985 at the Society for Biotechnological Research (GBF) a soil sample isolated from the banks of the Zambesi, South Africa. The tribe is with the German Collection of microorganisms (DSM) deposited under No. 6773.
Stammkultur und morphologische Beschreibung: Der Stamm wächst auf Cellulose als einziger Kohlenstoff- und Energiequelle mit KNO₃ als einzige Stickstoffquelle, z. B. auf Filterpapier über ST21 Mineralsalzagar (0.1% KNO₃; 0.1% MgSO₄ × 7 H₂O; 0.1% CaCl₂ × 2 H₂O; 0.1% K₂HPO₄; 0.01% MnSO₄ × 7 H₂O; 0.02% FeCl₃; 0.002% Hefeextrakt; Standard-Spurenelementlösung; 1% Agar). Auf diesem Medium werden dunkelrotbraune bis schwarzbraune Fruchtkörper gebildet, bestehend aus kleinen Sporangiolen (etwa 15 bis 30 µm Durchmesser) in mehr oder weniger großen dichten Haufen und Paketen.Strain culture and morphological description: The stem grows on cellulose as the only carbon and energy source with KNO₃ as the only nitrogen source, for. B. on filter paper over ST21 mineral salt agar (0.1% KNO₃; 0.1% MgSO₄ × 7 H₂O; 0.1% CaCl₂ × 2 H₂O; 0.1% K₂HPO₄; 0.01% MnSO₄ × 7 H₂O; 0.02% FeCl₃; 0.002% yeast extract; standard trace element solution; 1% agar). On this Medium dark red-brown to black-brown fruiting bodies are formed, consisting of small ones Sporangioles (about 15 to 30 µm in diameter) in more or less large dense piles and Packages.
Der Stamm wächst sehr gut mit Glucose und KNO₃, z. B. auf CA2-Agar (Grundmedium: 1.5 g Agar in 92 ml Aqua dest.; Stammlösung 1: 7.5% KNO₃, 7.5% K₂HPO₄ in Aqua dest,; Stammlösung 2: 1.5% MgSO₄ × 7 H₂O in Aqua dest.; Stammlösung 3: 0.2% CaCl₂ × 2 H₂O, 0.15% FeCl₃ in Aqua dest.; Stammlösung 4: 20% Glucose in Aqua dest. Die Stammlösungen werden durch Autoklavieren sterilisiert. Je 1 ml der Lösungen 1 bis 3, sowie 5 ml der Lösung 4 werden dem Grundmedium zugegeben, ebenso eine geeignete Menge einer Spurenelementlösung).The strain grows very well with glucose and KNO₃, e.g. B. on CA2 agar (basic medium: 1.5 g agar in 92 ml aqua dest .; Stock solution 1: 7.5% KNO₃, 7.5% K₂HPO₄ in distilled water ,; Stock solution 2: 1.5% MgSO₄ × 7 H₂O in aqua dest .; Stock solution 3: 0.2% CaCl₂ × 2 H₂O, 0.15% FeCl₃ in distilled water; Stock solution 4: 20% glucose in aqua dest. The stock solutions are made by autoclaving sterilized. 1 ml each of solutions 1 to 3 and 5 ml of solution 4 become the basic medium added, as well as a suitable amount of a trace element solution).
Die vegetativen Stäbchen haben die für Sorangium typische Form (relativ derbe, im Phasenkontrastmikroskop dunkle, zylindrische Stäbchen mit breit abgerundeten Enden, im Mittel 3-6 µm lang und 1 µm dick). Nach längerer Adaptation an das Wachstum in Flüssigmedien wächst der Stamm in homogener Zellsuspension. The vegetative rods have the shape typical of Sorangium (relatively coarse, in the phase contrast microscope dark, cylindrical rods with broadly rounded ends, on average 3-6 µm long and 1 µm thick). After a long adaptation to the growth in liquid media, the strain grows in homogeneous cell suspension.
Der Stamm So ce90 produziert chemisch nahe verwandte Verbindungen, die antibiotische Aktivität besitzen. Insbesondere sind diese Verbindungen cytotoxisch sowie antifungal wirksam. Hervorzuheben ist z. B. die Hemmung von Mucor hiemalis.The So ce90 strain produces chemically closely related compounds, which have antibiotic activity. In particular are these compounds are cytotoxic and antifungal. To emphasize is z. B. the inhibition of Mucor hiemalis.
Die Verbindungen werden während der logarithmischen bis hin zur stationären Wachstumsphase produziert.The connections are made during the logarithmic to the stationary growth phase produced.
Eine typische Fermentation verläuft folgendermaßen: Ein 100 l-Fermenter wird mit 60 l Medium (0.8% Stärke; 0.2% Glucose; 0.2% Sojamehl; 0.2% Hefeextrakt; 0.1% CaCl₂×2H₂O; 0.1% MgSO₄ × 7 H₂O; 8 mg/l Fe-EDTA; pH 7.4) gefüllt. Beimpft wird mit 10 l einer im gleichen Medium jedoch zusätzlich mit 50 mM HEPES-Puffer pH 7.4 in Schüttelkolben angezogenen Vorkultur (160 upm, 30°C). Fermentiert wird bei 32°C mit einer Rührgeschwindigkeit von 500 upm und einer Belüftung von 0.2 NL pro m³ Reaktorvolumen und Std., der pH-Wert wird durch Zugabe von KOH bei 7.4 gehalten. Die Fermentation dauert 7-10 Tage . Die gebildeten aktiven Verbindungen befinden sich teils im Überstand und teils in den Zellen.A typical fermentation proceeds as follows: A 100 l fermenter is mixed with 60 l medium (0.8% Strength; 0.2% glucose; 0.2% soy flour; 0.2% yeast extract; 0.1% CaCl₂ × 2H₂O; 0.1% MgSO₄ × 7 H₂O; 8 mg / l Fe-EDTA; pH 7.4) filled. Inoculated with 10 l one in the same medium but also with 50 mM HEPES buffer pH 7.4 in pre-culture (160 rpm, 30 ° C) grown in shake flasks. It is fermented at 32 ° C with a stirring speed of 500 rpm and aeration of 0.2 NL per m³ of reactor volume and hour, the pH is kept at 7.4 by adding KOH. The fermentation lasts 7-10 days. The active compounds formed are partly in the supernatant and partly in the cells.
Alternativ dazu kann in Gegenwart von Adsorberharzen (z. B. XAD-1180, Rohm und Haas, 2-5%) fermentiert werden.Alternatively, in the presence of adsorber resins (e.g. XAD-1180, Rohm and Haas, 2-5%) be fermented.
Während der Fermentation von Sorangium cellulosum So ce90 (z. B. 70 l Fermentationsvolumen) in Gegenwart eines Adsorberharzes (z. B.: XAD-1180, Röhm und Haas, 2% v/v) werden die gebildeten Antibiotika Epothilon A und B vollständig an das Harz gebunden. Nach Abtrennung der Kulturbrühe (z. B. durch Absieben in einem Prozeßfilter) wird das Harz mit 3 Bettvolumen Wasser gewaschen und mit 4 Bettvolumen Methanol eluiert. Die vereinigten Eluate werden im Vakuum bis auf den Wassergehalt eingeengt und dreimal mit je 0,2 l Ethylacetat extrahiert. Die vereinigten Ethylacetatextrakte werden zur Trockne eingeengt (ca. 40 g Trockengewicht).During the fermentation of Sorangium cellulosum So ce90 (e.g. 70 l fermentation volume) in In the presence of an adsorber resin (e.g. XAD-1180, Röhm and Haas, 2% v / v) the formed Antibiotics Epothilon A and B fully bound to the resin. After separation the culture broth (e.g. by sieving in a process filter) the resin with 3 bed volumes of water washed and eluted with 4 bed volumes of methanol. The combined eluates are vacuumed up to the water content was concentrated and extracted three times with 0.2 l of ethyl acetate. The United Ethyl acetate extracts are evaporated to dryness (approx. 40 g dry weight).
Der Rohextrakt wird in 50 ml Methanol aufgenommen und an Lichroprep® RP-18 25-40 µm (Säule: 400 × 100 mm; Fluß: 200 ml/min;) isokratisch mit Methanol/Wasser 6/4 chromatographiert. Die Epothilone enthaltenden Fraktionen (Rt ca. 95-125 min) werden durch RP-18 Niederdruckchromatographie aufgereinigt. (Säule 400 × 60; HD-Sil-18-20-60, Labomatic; Laufmittel: Methanol/Wasser 65/35; Fluß 25 ml/min; Rt Epothilon A: 140-165 min; Rt Epothilon B: 170-195 min).The crude extract is taken up in 50 ml of methanol and chromatographed on Lichroprep® RP-18 25-40 µm (column: 400 × 100 mm; flow: 200 ml / min;) with methanol / water 6/4. The fractions containing epothilones (R t approx. 95-125 min) are purified by RP-18 low pressure chromatography. (400 × 60 column; HD-Sil-18-20-60, Labomatic; mobile solvent: methanol / water 65/35; flow 25 ml / min; R t epothilone A: 140-165 min; R t epothilone B: 170- 195 min).
Die Feinreinigung der Epothilone erfolgt durch Kristallisation ausThe epothilones are purified by crystallization
- 1. Epothilon A: Toluol/Ethylacetat = 3 : 21. Epothilon A: toluene / ethyl acetate = 3: 2
- 2. Epothilon B: Ethylacetat2. Epothilon B: ethyl acetate
Epothilon AEpothilone A
C₂₆H₃₉NO₆S[493]
FAB-MS (neg. Ionen): 429.25 für (M-H)-
¹H-NMR-Daten s. Tab. 1
¹³C-NMR-Daten s. Tab. 2
UV (MeOH) λmax (log ε) = 210 (4.17); 249 (3.97)
IR Film auf Irtran:
ν: 3429; 2966; 2937; 1737; 1691; 1463; 1374; 1295; 1257; 1185; 1150; 1087; 1029; 1014; 979 cm-1
DC: RF = 0,75
DC-Alufolie 60 F₂₅₄, Merck; Laufmittel:
Dichlormethan/Methanol = 90 : 10
Detektion:
1. UV-Löschung bei 254 nm
2. Ansprühen mit Vanillin/Schwefelsäure-Reagenz und erhitzen auf 120°C, braune
Anfärbung
HPLC: Rt = 5,4 min
Säule: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Fluß: 1,5 ml/min; Laufmittel: Methanol/Wasser = 65 : 35
Detektor: UV 254 nmC₂₆H₃₉NO₆S [493]
FAB-MS (neg. Ions): 429.25 for (MH) -
1 H-NMR data s. Tab. 1
13 C NMR data see. Tab. 2
UV (MeOH) λ max (log ε) = 210 (4.17); 249 (3.97)
IR film on Irtran:
ν: 3429; 2966; 2937; 1737; 1691; 1463; 1374; 1295; 1257; 1185; 1150; 1087; 1029; 1014; 979 cm -1
DC: R F = 0.75
TLC aluminum foil 60 F₂₅₄, Merck; Eluent:
Dichloromethane / methanol = 90:10
Detection:
1. UV quenching at 254 nm
2. Spray on with vanillin / sulfuric acid reagent and heat to 120 ° C, brown color
HPLC: R t = 5.4 min
Column: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Flow: 1.5 ml / min; Mobile solvent: methanol / water = 65:35
Detector: UV 254 nm
Epothilon BEpothilon B
C₂₇H₄₁NO₆S[507]
FAB-MS (neg. Ionen): 506.25 für (M-H)-
¹H-NMR-Daten s. Tab. 1
¹³C-NMR-Daten s. Tab. 2
UV (MeOH) λmax (log ε) = 210 (4.17); 249 (3.97)
IR Film auf Irtran:
ν = 3400; 2958; 2931; 2875; 1735; 1689; 1629; 1609; 1463; 1378; 1250; 1149; 1049; 977 cm-1
DC: RF = 0,75
DC-Alufolie 60 F₂₅₄, Merck; Laufmittel:
Dichlormethan/Methanol = 90 : 10
Detektion:
1. UV-Löschung bei 254 nm
2. Ansprühen mit Vanillin/Schwefelsäure-Reagenz und erhitzt auf 120°C, braune Anfärbung
HPLC: Rt = 6,3 min
Säule: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Fluß: 1,5 ml/min; Laufmittel: Methanol/Wasser = 65 : 35
Detektor: UV 254 nm
C₂₇H₄₁NO₆S [507]
FAB-MS (neg. Ions): 506.25 for (MH) -
1 H-NMR data s. Tab. 1
13 C NMR data see. Tab. 2
UV (MeOH) λ max (log ε) = 210 (4.17); 249 (3.97)
IR film on Irtran:
ν = 3400; 2958; 2931; 2875; 1735; 1689; 1629; 1609; 1463; 1378; 1250; 1149; 1049; 977 cm -1
DC: R F = 0.75
TLC aluminum foil 60 F₂₅₄, Merck; Eluent:
Dichloromethane / methanol = 90:10
Detection:
1. UV quenching at 254 nm
2. Spray on with vanillin / sulfuric acid reagent and heat to 120 ° C, brown color
HPLC: R t = 6.3 min
Column: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Flow: 1.5 ml / min; Mobile solvent: methanol / water = 65:35
Detector: UV 254 nm
Claims (7)
FAB-MS (neg. Ionen): 492.25 für (M-H)-
UV (MeOH) λmax (log ε) = 210 (4.17); 249 (3.97)IR Film auf Irtran:
ν: 3429; 2966; 2937; 1737; 1691; 1463; 1374; 1295; 1257; 1185; 1150; 1087; 1029; 1014; 979 cm-1DC: RF = 0,75
DC-Alufolie 60 F₂₅₄, Merck; Laufmittel:
Dichlormethan/Methanol = 90 : 10
Detektion:
1. UV-Löschung bei 254 nm
2. Ansprühen mit Vanillin/Schwefelsäure-Reagenz und erhitzen auf 120°C, braune AnfärbungHPLC: Rt = 5,4 min
Säule: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Fluß: 1,5 ml/min; Laufmittel: Methanol/Wasser = 65 : 35
Detektor: UV 254 nm2. epothilone, characterized by one or more of the following parameters: C₂₆H₃₉NO₆S [493]
FAB-MS (neg. Ions): 492.25 for (MH) -
UV (MeOH) λ max (log ε) = 210 (4.17); 249 (3.97) IR film on Irtran:
ν: 3429; 2966; 2937; 1737; 1691; 1463; 1374; 1295; 1257; 1185; 1150; 1087; 1029; 1014; 979 cm -1 DC: R F = 0.75
TLC aluminum foil 60 F₂₅₄, Merck; Eluent:
Dichloromethane / methanol = 90:10
Detection:
1. UV quenching at 254 nm
2. Spray on with vanillin / sulfuric acid reagent and heat to 120 ° C, brown staining HPLC: R t = 5.4 min
Column: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Flow: 1.5 ml / min; Mobile solvent: methanol / water = 65:35
Detector: UV 254 nm
FAB-MS (neg. Ionen): 506.25 für (M-H)-
UV (MeOH)λmax (log ε) = 210 (4.17); 249 (3.97)IR Film auf Irtran:
ν = 3400; 2958; 2931; 2875; 1735; 1689; 1629; 1609; 1463; 1378; 1250; 1149; 1049; 977 cm-1DC: RF = 0,75
DC-Alufolie 60 F₂₅₄, Merck; Laufmittel:
Dichlormethan/Methanol = 90 : 10
Detektion:
1. UV-Löschung bei 254 nm
2. Ansprühen mit Vanillin/Schwefelsäure-Reagenz und erhitzt auf 120°C, braune AnfärbungHPLC: Rt = 6,3 min
Säule: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Fluß: 1,5 ml/min; Laufmittel: Methanol/Wasser = 65 : 35
Detektor: UV 254 nm3. epothilone, characterized by one or more of the following parameters: C₂₇H₄₁NO₆S [507]
FAB-MS (neg. Ions): 506.25 for (MH) -
UV (MeOH) λ max (log ε) = 210 (4.17); 249 (3.97) IR film on Irtran:
ν = 3400; 2958; 2931; 2875; 1735; 1689; 1629; 1609; 1463; 1378; 1250; 1149; 1049; 977 cm -1 DC: R F = 0.75
TLC aluminum foil 60 F₂₅₄, Merck; Eluent:
Dichloromethane / methanol = 90:10
Detection:
1. UV quenching at 254 nm
2. Spray on with vanillin / sulfuric acid reagent and heat to 120 ° C, brown staining HPLC: R t = 6.3 min
Column: 4 × 250 mm Lichrosorb® RP-18 7 µm;
Flow: 1.5 ml / min; Mobile solvent: methanol / water = 65:35
Detector: UV 254 nm
- - in einem Kohlenstoffquellen, Stickstoffquellen und Mineralsalze enthaltenden Medium kultiviert,
- - entweder während der Kultivierung des Stammes oder anschließend ein Adsorberharz zusetzt,
- - die Fermenterbrühe abtrennt,
- - die Epothilone aus dem Adsorberharz eluiert und
- - die Eluate direkt oder über weitere Reinigungsschritte von dem/den Lösungsmittel(n) befreit,
- - und gegebenenfalls über Hochdruck/Niederdruckchromatographie und/oder Umkristallisation die verschiedenen Epothilone aufreinigt und voneinander trennt.
- - cultivated in a medium containing carbon sources, nitrogen sources and mineral salts,
- - either during the cultivation of the strain or subsequently adding an adsorber resin,
- - separates the fermenter broth,
- - the epothilones eluted from the adsorber resin and
- - the eluates are freed from the solvent (s) directly or through further cleaning steps,
- - and, if necessary, the various epothilones are purified and separated from one another by means of high pressure / low pressure chromatography and / or recrystallization.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19914138042 DE4138042C2 (en) | 1991-11-19 | 1991-11-19 | Epothilones, their production processes and agents containing these compounds |
AU29437/92A AU2943792A (en) | 1991-11-19 | 1992-11-19 | Epothilones, process for preparing the same and their use as medicaments and as plant protecting agents |
PCT/EP1992/002656 WO1993010121A1 (en) | 1991-11-19 | 1992-11-19 | Epothilones, process for preparing the same and their use as medicaments and as plant protecting agents |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19914138042 DE4138042C2 (en) | 1991-11-19 | 1991-11-19 | Epothilones, their production processes and agents containing these compounds |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4138042A1 DE4138042A1 (en) | 1993-05-27 |
DE4138042C2 true DE4138042C2 (en) | 1993-10-14 |
Family
ID=6445140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19914138042 Expired - Lifetime DE4138042C2 (en) | 1991-11-19 | 1991-11-19 | Epothilones, their production processes and agents containing these compounds |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2943792A (en) |
DE (1) | DE4138042C2 (en) |
WO (1) | WO1993010121A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7649006B2 (en) | 2002-08-23 | 2010-01-19 | Sloan-Kettering Institute For Cancer Research | Synthesis of epothilones, intermediates thereto and analogues thereof |
US7750164B2 (en) | 1996-12-03 | 2010-07-06 | Sloan-Kettering Institute For Cancer Research | Synthesis of epothilones, intermediates thereto, analogues and uses thereof |
Families Citing this family (88)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0873341B1 (en) * | 1995-11-17 | 2003-09-10 | Gesellschaft für biotechnologische Forschung mbH (GBF) | Epothilone derivatives, preparation and use |
US6441025B2 (en) | 1996-03-12 | 2002-08-27 | Pg-Txl Company, L.P. | Water soluble paclitaxel derivatives |
US5969145A (en) * | 1996-08-30 | 1999-10-19 | Novartis Ag | Process for the production of epothilones and intermediate products within the process |
DE19636343C1 (en) * | 1996-08-30 | 1997-10-23 | Schering Ag | New (di:methyl)-dioxanyl-methyl-pentanone and related compounds |
AU716610B2 (en) * | 1996-08-30 | 2000-03-02 | Novartis Ag | Method for producing epothilones, and intermediate products obtained during the production process |
JP4274583B2 (en) * | 1996-11-18 | 2009-06-10 | ゲゼルシャフト・フュア・ビオテクノロギッシェ・フォルシュンク・ミット・ベシュレンクテル・ハフツング(ゲー・ベー・エフ) | Epothilone C, D, E and F, manufacturing and drugs |
US6204388B1 (en) | 1996-12-03 | 2001-03-20 | Sloan-Kettering Institute For Cancer Research | Synthesis of epothilones, intermediates thereto and analogues thereof |
US6380394B1 (en) | 1996-12-13 | 2002-04-30 | The Scripps Research Institute | Epothilone analogs |
US6441186B1 (en) * | 1996-12-13 | 2002-08-27 | The Scripps Research Institute | Epothilone analogs |
US6660758B1 (en) * | 1996-12-13 | 2003-12-09 | The Scripps Research Institute | Epothilone analogs |
DE19880193D2 (en) * | 1997-02-25 | 2000-08-24 | Biotechnolog Forschung Gmbh | Side chain modified epothilones |
US6605599B1 (en) | 1997-07-08 | 2003-08-12 | Bristol-Myers Squibb Company | Epothilone derivatives |
CA2299608A1 (en) * | 1997-08-09 | 1999-02-18 | Schering Aktiengesellschaft | New epothilone derivatives, method for producing same and their pharmaceutical use |
HUP0100582A3 (en) * | 1997-12-04 | 2003-03-28 | Bristol Myers Squibb Co | A process for the reduction of oxiranyl epothilones to olefinic epothilones |
US6365749B1 (en) | 1997-12-04 | 2002-04-02 | Bristol-Myers Squibb Company | Process for the preparation of ring-opened epothilone intermediates which are useful for the preparation of epothilone analogs |
US6320045B1 (en) | 1997-12-04 | 2001-11-20 | Bristol-Myers Squibb Company | Process for the reduction of oxiranyl epothilones to olefinic epothilones |
CA2320182C (en) * | 1998-02-05 | 2008-11-25 | Novartis Ag | Compositions containing organic compounds |
US6683100B2 (en) | 1999-01-19 | 2004-01-27 | Novartis Ag | Organic compounds |
GB9802451D0 (en) * | 1998-02-05 | 1998-04-01 | Ciba Geigy Ag | Organic compounds |
US6194181B1 (en) * | 1998-02-19 | 2001-02-27 | Novartis Ag | Fermentative preparation process for and crystal forms of cytostatics |
FR2775187B1 (en) * | 1998-02-25 | 2003-02-21 | Novartis Ag | USE OF EPOTHILONE B FOR THE MANUFACTURE OF AN ANTIPROLIFERATIVE PHARMACEUTICAL PREPARATION AND A COMPOSITION COMPRISING EPOTHILONE B AS AN IN VIVO ANTIPROLIFERATIVE AGENT |
US6302838B1 (en) | 1998-02-25 | 2001-10-16 | Novartis Ag | Cancer treatment with epothilones |
US6380395B1 (en) * | 1998-04-21 | 2002-04-30 | Bristol-Myers Squibb Company | 12, 13-cyclopropane epothilone derivatives |
US6498257B1 (en) | 1998-04-21 | 2002-12-24 | Bristol-Myers Squibb Company | 2,3-olefinic epothilone derivatives |
DE19820599A1 (en) | 1998-05-08 | 1999-11-11 | Biotechnolog Forschung Gmbh | New epothilone derivatives useful as pharmaceuticals and in plant protection |
US6121029A (en) | 1998-06-18 | 2000-09-19 | Novartis Ag | Genes for the biosynthesis of epothilones |
ES2175575T3 (en) * | 1998-08-05 | 2002-11-16 | Biotechnolog Forschung Gmbh | PHARMACEUTICAL AGENTS CONTAINING EPOTILONE N-OXIDE A AND / OR N-OXIDODE EPOTILONE B. |
DE19848306A1 (en) * | 1998-10-14 | 2000-04-20 | Schering Ag | High yield preparation of cytotoxic or fungicidal compound epothilon B, from phenylsulfonyl-butanol derivative by multistage process via new thiazole derivative intermediates |
US6410301B1 (en) | 1998-11-20 | 2002-06-25 | Kosan Biosciences, Inc. | Myxococcus host cells for the production of epothilones |
US6303342B1 (en) | 1998-11-20 | 2001-10-16 | Kason Biosciences, Inc. | Recombinant methods and materials for producing epothilones C and D |
US6780620B1 (en) | 1998-12-23 | 2004-08-24 | Bristol-Myers Squibb Company | Microbial transformation method for the preparation of an epothilone |
US6596875B2 (en) | 2000-02-07 | 2003-07-22 | James David White | Method for synthesizing epothilones and epothilone analogs |
CN1340053A (en) | 1999-02-11 | 2002-03-13 | 舍林股份公司 | Epothilon derivatives, method for the production and the use as pharmaceuticals |
US6262094B1 (en) | 1999-02-22 | 2001-07-17 | Bristol-Myers Squibb Company | C-21 modified epothilones |
US6291684B1 (en) | 1999-03-29 | 2001-09-18 | Bristol-Myers Squibb Company | Process for the preparation of aziridinyl epothilones from oxiranyl epothilones |
US7125875B2 (en) | 1999-04-15 | 2006-10-24 | Bristol-Myers Squibb Company | Cyclic protein tyrosine kinase inhibitors |
EP2308833A3 (en) | 1999-04-15 | 2011-09-28 | Bristol-Myers Squibb Company | Cyclic protein tyrosine kinase inhibitors |
AU772750C (en) | 1999-04-30 | 2005-02-24 | Schering Aktiengesellschaft | 6-alkenyl-, 6-alkinyl- and 6-epoxy-epothilone derivatives, process for their production, and their use in pharmaceutical preparations |
GB0003753D0 (en) * | 2000-02-17 | 2000-04-05 | Biochemie Gmbh | Organic compounds |
US20020077290A1 (en) | 2000-03-17 | 2002-06-20 | Rama Bhatt | Polyglutamic acid-camptothecin conjugates and methods of preparation |
US6518421B1 (en) * | 2000-03-20 | 2003-02-11 | Bristol-Myers Squibb Company | Process for the preparation of epothilone analogs |
US6593115B2 (en) | 2000-03-24 | 2003-07-15 | Bristol-Myers Squibb Co. | Preparation of epothilone intermediates |
US6589968B2 (en) | 2001-02-13 | 2003-07-08 | Kosan Biosciences, Inc. | Epothilone compounds and methods for making and using the same |
UA75365C2 (en) * | 2000-08-16 | 2006-04-17 | Bristol Myers Squibb Co | Epothilone analog polymorph modifications, a method for obtaining thereof (variants), a pharmaceutical composition based thereon |
CN1190440C (en) | 2000-09-22 | 2005-02-23 | 生物技术研究有限公司(Gbf) | Triazolo-epothilones |
GB0029895D0 (en) * | 2000-12-07 | 2001-01-24 | Novartis Ag | Organic compounds |
NZ526871A (en) | 2001-01-25 | 2006-01-27 | Bristol Myers Squibb Co | Pharmaceutical dosage forms of epothilones for oral administration |
KR100851719B1 (en) | 2001-01-25 | 2008-08-11 | 브리스톨-마이어스스퀴브컴파니 | Methods of Administering Epothilone Analogs for The Treatment of Cancer |
EP1353667A1 (en) | 2001-01-25 | 2003-10-22 | Bristol-Myers Squibb Company | Parenteral formulations containing epothilone analogs |
US6893859B2 (en) | 2001-02-13 | 2005-05-17 | Kosan Biosciences, Inc. | Epothilone derivatives and methods for making and using the same |
RU2003128312A (en) | 2001-02-20 | 2005-02-10 | Бристол-Маерс Сквибб Компани (Us) | EPOTHYLON DERIVATIVES USED FOR TREATMENT OF RESISTANT TUMORS |
EP1385529A4 (en) | 2001-02-20 | 2007-05-09 | Bristol Myers Squibb Co | Treatment of refractory tumors using epothilone derivatives |
CN1511036B (en) | 2001-02-27 | 2010-05-05 | 诺瓦提斯公司 | Combination comprising signal transduction inhibitor and epothilone derivative |
US7312237B2 (en) | 2001-03-14 | 2007-12-25 | Bristol-Myers Squibb Co. | Combination of epothilone analogs and chemotherapeutic agents for the treatment of prolilferative diseases |
JP2004532888A (en) | 2001-06-01 | 2004-10-28 | ブリストル−マイヤーズ スクイブ カンパニー | Epothilone derivative |
TWI315982B (en) | 2001-07-19 | 2009-10-21 | Novartis Ag | Combinations comprising epothilones and pharmaceutical uses thereof |
US6884608B2 (en) | 2001-12-26 | 2005-04-26 | Bristol-Myers Squibb Company | Compositions and methods for hydroxylating epothilones |
AU2003235761A1 (en) | 2002-01-14 | 2003-07-24 | Novartis Ag | Combinations comprising epothilones and anti-metabolites |
AU2003218110A1 (en) | 2002-03-12 | 2003-09-29 | Bristol-Myers Squibb Company | C3-cyano epothilone derivatives |
AU2003218107A1 (en) | 2002-03-12 | 2003-09-29 | Bristol-Myers Squibb Company | C12-cyano epothilone derivatives |
TW200403994A (en) | 2002-04-04 | 2004-03-16 | Bristol Myers Squibb Co | Oral administration of EPOTHILONES |
TW200400191A (en) | 2002-05-15 | 2004-01-01 | Bristol Myers Squibb Co | Pharmaceutical compositions and methods of using C-21 modified epothilone derivatives |
WO2003105828A1 (en) | 2002-06-14 | 2003-12-24 | Bristol-Myers Squibb Company | Combination of epothilone analogs and chemotherapeutic agents for the treatment of proliferative diseases |
DE60330407D1 (en) | 2002-08-23 | 2010-01-14 | Sloan Kettering Inst Cancer | Synthesis of epothilones, intermediates thereof, analogs and their use |
EP2287168B1 (en) | 2002-09-23 | 2013-02-13 | Bristol-Myers Squibb Company | Methods for the preparation, isolation and purification of epothilone B, and X-ray crystal structures of epothilone B |
AU2003302084A1 (en) | 2002-11-15 | 2004-06-15 | Bristol-Myers Squibb Company | Open chain prolyl urea-related modulators of androgen receptor function |
DE10344882A1 (en) | 2003-09-26 | 2005-04-21 | Morphochem Ag Komb Chemie | New macrocycles for the treatment of cancer |
US20050171167A1 (en) | 2003-11-04 | 2005-08-04 | Haby Thomas A. | Process and formulation containing epothilones and analogs thereof |
DE10355223A1 (en) | 2003-11-26 | 2005-06-30 | Institut für Pflanzenbiochemie (IPB) | New macrocycles for the treatment of cancer |
US7378426B2 (en) | 2004-03-01 | 2008-05-27 | Bristol-Myers Squibb Company | Fused heterotricyclic compounds as inhibitors of 17β-hydroxysteroid dehydrogenase 3 |
US20060121511A1 (en) | 2004-11-30 | 2006-06-08 | Hyerim Lee | Biomarkers and methods for determining sensitivity to microtubule-stabilizing agents |
CN1312286C (en) * | 2005-10-19 | 2007-04-25 | 华南理工大学 | Method for highly-effective producing epothilone using myxobacteria sorangium cellulosum |
EP1994412A2 (en) | 2006-03-31 | 2008-11-26 | Brystol-Myers Squibb Company | Biomarkers and methods for determining sensitivity to microtubule-stabilizing agents |
WO2008070672A2 (en) | 2006-12-04 | 2008-06-12 | The Board Of Trustees Of The University Of Illinois | Compositions and methods to treat cancer with cupredoxins and cpg rich dna |
US8143415B2 (en) | 2007-05-25 | 2012-03-27 | Bristol-Myers Squibb Company | Processes for making epothilone compounds and analogs |
EP2065054A1 (en) | 2007-11-29 | 2009-06-03 | Bayer Schering Pharma Aktiengesellschaft | Combinations comprising a prostaglandin and uses thereof |
EP2070521A1 (en) | 2007-12-10 | 2009-06-17 | Bayer Schering Pharma Aktiengesellschaft | Surface-modified nanoparticles |
DE102007059752A1 (en) | 2007-12-10 | 2009-06-18 | Bayer Schering Pharma Aktiengesellschaft | Functionalized solid polymer nanoparticles containing epothilones |
EP2241566B1 (en) * | 2008-02-01 | 2013-08-21 | Zhejiang Hisun Pharmaceutical Co. Ltd. | A method for the separation and purification of epothilones |
CN101362784A (en) * | 2008-10-06 | 2009-02-11 | 山东大学 | Ebomycin glycosides compounds, composition using the same as activity component and use thereof |
EP2210584A1 (en) | 2009-01-27 | 2010-07-28 | Bayer Schering Pharma Aktiengesellschaft | Stable polymeric composition comprising an epothilone and an amphiphilic block copolymer |
US20110300150A1 (en) | 2010-05-18 | 2011-12-08 | Scott Eliasof | Compositions and methods for treatment of autoimmune and other disease |
US8618146B2 (en) | 2011-01-03 | 2013-12-31 | Dr. Reddy's Laboratories Limited | Epothilone compound formulations |
CN102863474A (en) | 2011-07-09 | 2013-01-09 | 陈小平 | Platinum compounds for treating cell proliferative diseases and preparation method and application thereof |
CN102993239A (en) | 2011-09-19 | 2013-03-27 | 陈小平 | Platinum compound of succinic acid derivative with leaving group containing amino or alkylamino |
WO2014075391A1 (en) | 2012-11-17 | 2014-05-22 | 北京市丰硕维康技术开发有限责任公司 | Platinum compound of malonic acid derivative having leaving group containing amino or alkylamino |
CN103145722B (en) * | 2013-03-05 | 2015-12-02 | 福建省微生物研究所 | A kind of method of high speed adverse current chromatogram separating-purifying ebormycine |
EP3036240A1 (en) * | 2013-08-19 | 2016-06-29 | Sandoz AG | Method for the purifiction of epothilones via crystallization |
-
1991
- 1991-11-19 DE DE19914138042 patent/DE4138042C2/en not_active Expired - Lifetime
-
1992
- 1992-11-19 AU AU29437/92A patent/AU2943792A/en not_active Abandoned
- 1992-11-19 WO PCT/EP1992/002656 patent/WO1993010121A1/en active Application Filing
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7750164B2 (en) | 1996-12-03 | 2010-07-06 | Sloan-Kettering Institute For Cancer Research | Synthesis of epothilones, intermediates thereto, analogues and uses thereof |
USRE41990E1 (en) | 1996-12-03 | 2010-12-07 | Sloan-Kettering Institute For Cancer Research | Synthesis of epothilones, intermediates thereto, analogues and uses thereof |
US8481575B2 (en) | 1996-12-03 | 2013-07-09 | Sloan-Kettering Institute For Cancer Research | Synthesis of epothilones, intermediates thereto, analogues and uses thereof |
US7649006B2 (en) | 2002-08-23 | 2010-01-19 | Sloan-Kettering Institute For Cancer Research | Synthesis of epothilones, intermediates thereto and analogues thereof |
Also Published As
Publication number | Publication date |
---|---|
WO1993010121A1 (en) | 1993-05-27 |
DE4138042A1 (en) | 1993-05-27 |
AU2943792A (en) | 1993-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE4138042C2 (en) | Epothilones, their production processes and agents containing these compounds | |
EP1367057B1 (en) | Epothilones E and F | |
WO1998013375A1 (en) | Compounds with antimycotic and cytostatic effect, preparation method, agent containing these compounds and dsm 11 092 | |
KR960012212B1 (en) | Herbicide, its preparation and use | |
EP0282455A2 (en) | Method for the preparation of a macrocyclic compound | |
EP0342363A2 (en) | Angucyclinones from streptomyces, process to obtain them and their use | |
EP0337152A1 (en) | Furans and lactones from streptomycetes, process for their preparation and their use | |
DD202047A5 (en) | PROCESS FOR PREPARING THE MAKROLIDE 20-DIHYDRO-20,23-DIDEOXYTYLONOLIDE | |
DE2921085C2 (en) | ||
DE2849666A1 (en) | METHOD OF PREPARATION OF ANTIBIOTIC C-15003 P 4 | |
DE3823067A1 (en) | Chemical compound with antibiotic activity and preparation process | |
DE4211056C1 (en) | Spiran heterocyclic deriv. for controlling fungi and bacteria uncontrollable - prepd. by fermenting Sorangium e.g. Polyangium cellulosum in medium contg. carbon and nitrogen sources and mineral salts in adsorber resin, and eluting | |
DE19630980B4 (en) | Etnangien, production, use and production strain sorangium cellulosum DSM 11 028 | |
EP1373245B1 (en) | Intermediates for producing spinosyns | |
US5397570A (en) | Antibiotics AB-023 and process for preparing them | |
DE4410449C2 (en) | Melithiazoles A and B, manufacturing process, agents containing Melithiazol A and / or B and Melittangium lichenicola DSM 9004 with the ability to form Melithiazole A and B. | |
DE3922283C1 (en) | ||
EP0339442A2 (en) | Angucyclinones from streptomyces, process to obtain them and their use | |
DE3419076A1 (en) | NEW ANTITUMOR ANTIBIOTIC 81-484 AND ITS PRODUCTION | |
DE2659180C2 (en) | Antibiotic derivative of the substance SF-1540 and process for its preparation | |
DE3840519A1 (en) | NEW ANGUCYCLINONE FROM STREPTOMYCETES, PROCESS FOR THEIR PREPARATION AND THEIR USE | |
DE19636721A1 (en) | Antibiotic and antitumor compound, manufacturing process, agent and DSM 11 071 | |
DE2921052C2 (en) | ||
DE19607702A1 (en) | Heterocyclic compounds, manufacturing processes and agents | |
DE3707955C1 (en) | Chemical compounds of the molecular formulae C29H44O8 and C28H44O8, process for their preparation and compositions containing them |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
R071 | Expiry of right |