2-(methoxycarbonylamino)-2-(tetrahydro-2H-pyran-4-yl)acetic acid → [1-(6-{5-[4-(6-{2-[1-(2-Methoxycarbonylamino-2-phenyl-acetyl)-pyrrolidin-2-yl]-3H-imidazol-4-yl}-naphthalen-2-yl)-phenyl]-1H-imidazol-2-yl}-5-aza-spiro[2.4]heptane-5-carbonyl)-2-methyl-propyl]-carbamic acid methyl ester

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[1-(6-{5-[4-(6-{2-[1-(2-Methoxycarbonylamino-2-phenyl-acetyl)-pyrrolidin-2-yl]-3H-imidazol-4-yl}-naphthalen-2-yl)-phenyl]-1H-imidazol-2-yl}-5-aza-spiro[2.4]heptane-5-carbonyl)-2-methyl-propyl]-carbamic acid methyl ester (0.10 g, 34%) was prepared following the procedure for [2-(4,4-Difluoro-2-{5-[4-(6-{2-[1-(2-methoxycarbonylamino-2-phenyl-acetyl)-pyrrolidin-2-yl]-3H-imidazol-4-yl}-naphthalen-2-yl)-phenyl]-1H-imidazol-2-yl}-pyrrolidin-1-yl)-2-oxo-1-(tetrahydro-pyran-4-yl)-ethyl]-carbamic acid methyl ester, substituting 2-Methoxycarbonylamino-3-methyl-butyric acid for Methoxycarbonylamino-(tetrahydro-pyran-4-yl)-acetic acid and 6-{5-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-1H-imidazol-2-yl}-5-aza-spiro[2.4]heptane-5-carboxylic acid benzyl ester for 4,4-Difluoro-2-{5-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-1H-imidazol-2-yl}-pyrrolidine-1-carboxylic acid benzyl ester. LCMS-ESI+: calc'd for C49H52N8O6: 848.40 (M+); Found: 849.96 (M+H+).

Provenance & Evidence