PROCESS FOR PREPARING NEW 20-DIHYDRO-20,23-DIDEOXY-TYLONOLIDE /TYLACTONE/ AND ESTERS THEREOF

摘要

A process for preparing tylactone (20-dihydro-20,23-dideoxytylonolide), which has the formula: IMAGE by submerged aerobic fermentation of Streptomyces fradiae NRRL 12188 or a tylactone-producing mutant or recombinant thereof is provided.