Publications by authors named "Lin-ping Ying"

As a continuous work to find more epothilone congeners produced by the epothilones A and B producing Sorangium cellulosum strain So0157-2 in the large-scale fermentation (5000 L), we reinvestigated the chemical compositions of the fermentation broth. Consequently, two new epothilone variants (1-2) and one new natural epothilone derivative (3) were isolated from the fermentation broth. Their structures were established as 16-ethyl epothilone B (1), 6-desmethyl-16-hydroxymethyl epothilone C (2) and 20-ethyl epothilone A (3), respectively, by an extensive NMR analysis.

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