HCID 86743723, compound → HCID 15927705, compound

Participants

Reaction Conditions

Reaction Steps

Nα -[1(S)-ethoxycarbonyl-8-tertiary butoxycarbonylaminooctyl]-Nε -tertiary butoxycarbonyl-L-lysyl-L-proline tertiary butylester obtained by Example VII b) (480 mg) is added into 100 ml of formic acid and dissolved. This solution is stirred at 37° C. for 48 hours. The formic acid is distilled off and the residue is dried under reduced pressure to obtain 320 mg of colorless oil.

Provenance & Evidence