4-Nitrophenyl formate → HCID 131720515, compound

Participants

Reaction Steps

140 mg of 5(S)-amino-4(S)-hydroxy-2(R),7,7-trimethyl-8-[2(R,S)-methylaminocarbonyl-3,4-dihydro-2H-1,4-benzoxazin-4-ylcarbonyl]-octanoic acid (N-butyl)amide (Example 28)) are reacted with 100 mg of 4-nitrophenyl formate in a manner analogous to that described in Example 17): Rf (S)=0.33; FAB-M S: (M+H)+ =519.

Provenance & Evidence