(R)-2-t-butoxy-2-phenylpropanal

(3R,4R,4'R)-4-<<<(1,1-Dimethylethyl)dimethylsilyl>oxy>phenylmethyl>-3-phenylmethoxy-1-(phenylmethyl)azetidin-2-one

(4S,5R)-3-Benzyl-4-cyclohexyl-5-<(R)-(1,2-dihydroxy)ethyl>oxazolidin-2-one

(3S,5R,6S)-3-cyclohexylmethyl-2-oxo-5,6-diphenylmorpholine-4-carboxylic acid benzyl ester

(2R,3S,5R.6S)-2-cyano-3-cyclohexylmethyl-5,6-diphenyl-morpholine-4-carboxylic acid benzyl ester