2-amino-N-(2,4-dimethyl-3-(((2-methoxy-1-(pyridin-2-ylmethyl)-1H-benzo[d]imidazol-4-yl)oxy)methyl)phenyl)-N-methylacetamide → N-(2-((3-(((2-methoxy-1-(pyridin-2-ylmethyl)-1H-benzo[d]imidazol-4-yl)oxy)methyl)-2,4-dimethylphenyl)(methyl)amino)-2-oxoethyl)-3-(2-oxo-2,3-dihydrooxazolo[4,5-b]pyridin-6-yl)propanamide

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2-amino-N-(2,4-dimethyl-3-(((2-methoxy-1-(pyridin-2-ylmethyl)-1H-benzo[d]imidazol-4-yl)oxy)methyl)phenyl)-N-methylacetamide and 3-(2-oxo-2,3-dihydrooxazolo[4,5-b]pyridin-6-yl)propanoic acid were used to prepare 3 as described above for compound 1. LCMS (+APCI) 650 (M+). 1H-NMR (CDCl3, δ ppm): 8.59 (m, 1H), 7.85 (d, J=2.0 Hz, 1H), 7.60 (dt, J=2.0, 7.6 Hz, 1H), 7.22 (m, 2H), 7.05 (t, J=8.0 Hz, 1H), 6.95 (d, J=7.6 Hz, 1H), 6.90 (d, J=8.0 Hz, 1H), 6.82 (m, 3H), 6.73 (bt, 1H), 5.30 (m, 4H), 4.21 (s, 3H), 3.72 (dd, 4.0, 18.0 Hz, 1H), 3.44 (dd, J=4.4, 18.0 Hz, 1H), 3.25 (s, 3H), 2.95 (m, 2H), 2.56 (m, 2H), 2.33 (s, 3H), 2.27 (s, 3H). Calcd. for C35H35N7O6+0.3H2O: C, 64.17; H, 5.48; N, 14.97. Found: C, 64.06; H, 5.46; N, 14.96.

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