tert-butyl (2S)-2-[N'-[(2R)-2-phenyl-2-(phenylmethoxycarbonylamino)acetyl]oxycarbamimidoyl]piperidine-1-carboxylate 在
tert-butyl (2S)-2-{5-[(R)-{[(benzyloxy)carbonyl]amino}(phenyl)methyl]-1,2,4-oxadiazol-3-yl}-1-piperidinecarboxylate 作用下,
以
吡啶 为溶剂,
以to afford tert-butyl (2S)-2-{5-[(R)-{[(benzyloxy)carbonyl]amino}(phenyl)methyl]-1,2,4-oxadiazol-3-yl}-1-piperidinecarboxylate as an oil的产率得到tert-butyl (2S)-2-{5-[(R)-{[(benzyloxy)carbonyl]amino}(phenyl)methyl]-1,2,4-oxadiazol-3-yl}-1-piperidinecarboxylate