3-Amino-4-(1H-indol-3-yl)butanoic acid--hydrogen chloride (1/1) → (S)-N-Benzyl-N-methyl-2-[[(S)-2-(1H-indol-3-yl)-1-carboxymethyl-ethylamino]-N'-(t-butoxycarbonyl)-propylamino]-3-phenyl-propionamide

Participants

Reaction Steps

Prepare by the method of Example 1 using (S)-N-benzyl-N-methyl-2-[N'-(t-butoxycarbonyl)-3-oxo-propylamino]-3-phenyl-propionamide (2 mmol) and (S)-2-(1H-indol-3-yl)-1-carboxymethyl-ethylamine hydrochloride salt ((S)-tryptophan methyl ester hydrochloride salt) (2 mmol). Purify by chromatography to give the title compound.

Provenance & Evidence