for the following products
N-Boc-Saxagliptin | tert-Butyl [(1S)-2-[(1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hex-2-yl]-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl]carbamate and N-[(1S)-2-[(1S,3S,5S)-3-Cyano-2-azabicyclo[3.1.0]hex-2-yl]-1-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)-2-oxoethyl]carbamic acid 1,1-dimethylethyl ester