Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A range of (S)-α-(diphenylmethyl)alkyl amines were prepared from the corresponding (S)-α-amino acid ester hydrochlorides. These amines were derived by direct hydrogenation of their precursor oxazolidinones. ... To develop this methodology further we now report the synthesis of ...