JP2838400B

A one-step microbial process for producing 13 beta -hydroxy- or 14,15-epoxy-milbemycins of the following formulae I and II in which R1 and Ri represent methyl, ethyl, isopropyl or sec-butyl or represent the group in which X denotes methyl, ethyl or isopropyl and A and A' represent the group in...

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Bibliographische Detailangaben
Hauptverfasser:	PEETAA MAIENFUITSUSHU, HANSUUPEETAA SHEERU, JERADO RAMOSU, BURUUNO FURAI, ORESUTE GISARUBA, ANSONII KORUNERIUSU OOSARIBAN
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BEER BIOCHEMISTRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY DERIVATIVES THEREOF ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE FISHING FORESTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HUNTING METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF PROCESSES USING MICROORGANISMS SPIRITS SUGARS TRAPPING VINEGAR WINE
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Beschreibung
Zusammenfassung:	A one-step microbial process for producing 13 beta -hydroxy- or 14,15-epoxy-milbemycins of the following formulae I and II in which R1 and Ri represent methyl, ethyl, isopropyl or sec-butyl or represent the group in which X denotes methyl, ethyl or isopropyl and A and A' represent the group in which R2 denotes hydrogen, -C(O)-CH2O-C(O)-CH2CH2-COOH or -C(O)-CH2CH2-COOH, or of mixtures of compounds of the formulae I and II, which is characterised in that a milbemycin dissolved in a liquid phase, of the formula III in which R3 represents R1 or Ri and R4 represents A or A' and R1, Ri, A and A' have the meanings indicated under the formulae I and II, is brought into contact with a microorganism or active constituents thereof capable of 13 beta -hydroxylation or 14,15-epoxidation or of both reactions. The microorganism or its active constituents in this case can be present either in free or in immobilised form.