Dicyclohexylcarbodiimide → HCID 508580, compound

Participants

Reaction Steps

The title compound was prepared by treating Nα-isobutyl-Nα-(4-methylbenzenesulfonyl)-Nε-[N′α-(2-thiophenesulfonyl)-L-phenylalanyl]-L-lysine (60 mg, 0.1 mmol, example 24) dissolved in MeOH (2 mL) with DCC (1 eq.). The reaction mixture was stirred at room temperature for a period of 2 h. Filtration and evaporation of the solvent followed by HPLC purification gave the desired methyl ester (15 mg, 22%).

Provenance & Evidence