HCID 67520568, compound → HCID 68281374, compound

Participants

Reaction Steps

A solution of (2S)-5-[bis(2-{[(benzyloxy)carbonyl]amino}ethyl)amino]-2-{bis[(tert-butoxy)carbonyl]amino}pentanoic acid (1.82 g, 3.14 mmol) in TFA (20 mL) was stirred overnight. The TFA was removed under reduced pressure to give (2S)-2-amino-5-[bis(2-{[(benzyloxy)carbonyl]amino}ethyl)amino]pentanoic acid XXXII as a light brown foam (1.70 g, 2.83 mmol, 90% yield). ESIMS found for C25H34N4O6 m/z 487 (M+H).

Provenance & Evidence