Pd/C (en)-Catalyzed chemoselective hydrogenation with retention of the N-Cbz protective group and its scope and limitations

~88%

~97%

~99%

~%

~%

~%

~99%

~64%

~%

~%

~%

~%

~%

~%

~99%

~24%

~78%

~76%

~97%