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Isolation of decomposition products of tylosin using liquid chromatography
1Laboratorium voor Farmaceutische Chemie en Analyse van Geneesmiddelen, Faculteit Farmaceutische Wetenschappen, Katholieke Universiteit Leuven, Belgium.
Journal of Chromatography. A
|May 5, 1995
Abstract:
Decomposition products of tylosin A were isolated using open column chromatography and preparative liquid chromatography. Two decomposition products, formed in slightly alkaline medium, were identified as epimers of tylosin A aldol, one of which has been described previously. Another decomposition product was formed on exposure of a tylosin A solution to light. Isomerization of the double bond between C12-C13 takes place, resulting in the formation of the hitherto unreported isotylosin A.