(2S,4S,5R)-4-Methyl-2-((E)-3-oxo-propenyl)-5-phenyl-oxazolidine-3-carboxylic acid benzyl ester

(2S,4S,5R)-4-Methyl-5-phenyl-3-carbobenzyloxy-2-<(1S)-1-benzyloxy-2-carbomethyl>ethyloxazolidine

(2S)-2-Benzyloxy-4-oxopentanal

2-((S)-2-Benzyloxy-2-[1,3]dithiolan-2-yl-ethyl)-2-methyl-[1,3]dithiolane

(2S,4S,5R)-2-((S)-1-Carboxymethyl-pentyl)-4-methyl-5-phenyl-oxazolidine-3-carboxylic acid benzyl ester

(2S,4S,5R)-4-Methyl-2-((E)-3-oxo-but-1-enyl)-5-phenyl-oxazolidine-3-carboxylic acid benzyl ester

(2S,4S,5R)-4-Methyl-5-phenyl-3-carbobenzyloxy-2-<(E)-2-carbobenzyloxy>ethyloxazolidine

(2S,4S,5R)-4-Methyl-5-phenyl-3-carbobenzyloxy-2-<(1S)-1-benzyloxy-2-carbobenzyloxy>ethyloxazolidine

(2S,4S,5R)-2-[(S)-1-(2-Hydroxy-propyl)-pentyl]-4-methyl-5-phenyl-oxazolidine-3-carboxylic acid benzyl ester

(2S,4S,5R)-4-Methyl-2-[(S)-1-(2-oxo-ethyl)-pentyl]-5-phenyl-oxazolidine-3-carboxylic acid benzyl ester

(2S,4S,5R)-2-[(S)-1-(2-Hydroxy-ethyl)-pentyl]-4-methyl-5-phenyl-oxazolidine-3-carboxylic acid benzyl ester

(2S,4S,5R)-2-[(S)-1-(2-Benzyloxy-ethyl)-pentyl]-4-methyl-5-phenyl-oxazolidine-3-carboxylic acid benzyl ester

(2S,4S,5R)-4-Methyl-5-phenyl-3-carbobenzyloxy-2-<(E)-2-carboxy>ethyloxazolidine

(2S,4S,5R)-2-((S)-1-Methoxycarbonylmethyl-pentyl)-4-methyl-5-phenyl-oxazolidine-3-carboxylic acid benzyl ester

(2S,4S,5R)-4-Methyl-2-((S)-1-methyl-3-oxo-butyl)-5-phenyl-oxazolidine-3-carboxylic acid benzyl ester