for the following products
(1S, 2S)-(1-Benzyl-3-chloro-2-hydroxy-propyl)-carbamic acid tert-butyl ester | (1S,2S)-[3-Chloro-2-hydroxy-1-(phenylmethyl)-propyl]carbamic acid, 1,1-dimethylethyl ether | (3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-(2S)-butanol and tert-Butyl ((2S,3S)-4-chloro-3-hydroxy-1-phenylbutan-2-yl)carbamate
