(S)-tert-Butyl 2-amino-3-(tert-butoxy)propanoate → N-[4-(4-{4-[(benzyl{2-methyl-3-[(methylsulfonyl)amino]phenyl}amino)methyl]phenoxy}phenyl)butanoyl]-L-serine

Participants

Reaction Steps

The product from Example 100 (56 mg, 0.1 mmole) and H-Ser(tBu)-OtBu (51 mg, 0.2 mmole) were processed as in Example 213A-B to provide the title compound. 1H NMR (500 MHz, DMSO-d6) δ11.72-13.24 (br.s, 1 H), 8.95 (s, 1 H), 8.28-8.51 (br.s, 1 H), 7.91 (d, 1 H), 7.26 (m, 6 H), 7.19 (m, 3 H), 7.04 (m, 1 H), 6.96 (m, 2 H), 6.88 (m, 4 H), 4.27 (m, 1 H), 4.06 (s, 2 H), 4.02 (s, 2 H), 3.64 (m, 2 H), 2.91 (s, 3 H), 2.56 (m, 2 H), 2.39 (s, 3 H), 2.17 (m, 2 H), 1.78 (m, 2 H); MS (APCI+) m/z 646 (M+H)+.

Provenance & Evidence