101860-56-4
(4R)-4-(3-hydroxy-4-((2R,3R,7R,10S)-2,3,10-trimethyl-1,4,6-trioxaspiro[4.5]decan-7-yl)butanoyl)-3-(4-methoxybenzyl)thiazolidin-2-one
→
128359-73-9
(S)-4-((2R,4S,6R)-4-((tert-butyldimethylsilyl)oxy)-6-methoxy-6-((R)-2-oxothiazolidin-4-yl)tetrahydro-2H-pyran-2-yl)-2-methylbutanal