ethyl (4S,5S,E)-5-azido-4-((tert-butyldimethylsilyl)oxy)-5-phenylpent-2-enoate

(4S,5R)-2,4-Diphenyl-4,5-dihydro-oxazole-5-carbaldehyde

3-((4S,5S)-2,4-Diphenyl-4,5-dihydro-oxazol-5-yl)-propionic acid methyl ester

(5S,6S)-5-((tert-butyldimethylsilyl)oxy)-6-phenylpiperidin-2-one

(S)-5-((S)-azido(phenyl)methyl)-dihydrofuran-2(3H)-one