[Benzyloxycarbonyl-(2,2,2-trifluoro-ethyl)-amino]-acetic acid 4-nitro-phenyl ester 、 N-[(S)-1-{3-[4-(3-Amino-propylamino)-butylamino]-propylcarbamoyl}-2-(4-fluoro-phenyl)-ethyl]-butyramide 以
甲醇 为溶剂,
反应 12.0h,
以86%的产率得到{[3-(4-{3-[(S)-2-Butyrylamino-3-(4-fluoro-phenyl)-propionylamino]-propylamino}-butylamino)-propylcarbamoyl]-methyl}-(2,2,2-trifluoro-ethyl)-carbamic acid benzyl ester