(2R,3R)-3-(benzyloxy)-2-<(1S,2R)-3-hydroxy-1,2-(isopropylidenedioxy)propyl>piperidine

(E)-(R)-3-(benzyloxy)-1-<(p-tolylsulfonyl)oxy>-4,6-heptadiene

(2R,3R)-3-(benzyloxy)-2-((Z)-3-(tert-butyldiphenylsilyloxy)-1-propenyl)piperidin-6-one

(2R,3R)-3-(benzyloxy)-2-((1S,2R)-3-(tert-butyldiphenylsilyloxy)-1,2-(isopropylidenedioxy)propyl)piperidin-6-one

(4aS,5R)-5-(benzyloxy)-2,4a,5,6,7,8-hexahydropyrido(1,2-b)(1,2)oxazin-8-one