| abstract |
S(-)2-(4-carboxy-3-hydroxybutyl)cyclopent-2-ene-1-one of formula: <IMAGE> which is produced by subjecting carboxyalkylcyclopentenones of general formula <IMAGE> (where n = 4, 6; R = H, C2H5> to microbiological oxidation with 1 to 4 mass percent of dry baker's yeast Saccharomyces cerevisiae, in an aqueous medium in the presence of a source of phosphorus, nitrite or nitroprusside of an alkali metal at 29 to 33 DEG C and a pH value of 7.5 to 9.9, possesses an antisecretory and antiulcerogenic action, and can find application in medicine. |