((2(5)-Benzoylamino-3-methylbutyryl)-(3-methanesulfonylbenzyl)amino)acetic Acid Ethyl Ester → 3(S)-(2-((2(S)-Benzoylamino-methylbutyryl)-(3-methanesulfonylbenzyl)amino)acetylamino)-4-oxo-butyric Acid

Participants

Reaction Steps

Compound 745 was prepared by a method similar to the method used to prepare compound 706, except compound 703 was replaced with compound 744. 1H NMR (CD3OD) δ 8.29 (m), 8.02 (m), 7.82-7.69 (m), 7.51-7.32 (m), 7.29-7.01 (m), 6.98 (d), 4.94-4.38 (m), 4.36 (d), 4.34 (d), 4.30-4.13 (m), 4.04 (d), 3.31-3.19 (m), 2.88-2.77 (m), 2.64-2.48 (m), 2.44-2.32 (m), 2.21 (m), 1.00-0.83 (m). ##STR124##

Provenance & Evidence