HCID 54264421, compound → HCID 54445606, compound

Participants

Reaction Steps

A solution of methyl (±)-3-carbomethoxy-4-[2-bis(tert-butoxycarbonyl)aminomethyl-4-methoxyphenyl]butanoate (12 g) in chloroform (100 mL) and trifluoroacetic acid (50 mL) was stirred under argon at room temperature for 4 hr. The solution was then concentrated under vacuum to give the title compound (10 g, 100%) as a viscous oil: MS (ES) m/e 296.2 (M+H)+.

Provenance & Evidence