Ethyl orthoformate → HCID 66919016, compound

Participants

Reaction Steps

Using an analogous procedure to that described paragraph (C) in the portion of Example 18 which is concerned with the preparation of starting material, tert-butyl (3R)-3-{4-amino-3-[({5-[(cyclopropylamino)carbonyl]-2-methylphenyl}amino)carbonyl]phenoxy}pyrrolidine-1-carboxylate was reacted with triethylorthoformate to give tert-butyl (3R)-3-[(3-{5-[(cyclopropylamino)carbonyl]-2-methylphenyl}-4-oxo-3,4-dihydroquinazolin-6-yl)oxy]pyrrolidine-1-carboxylate; NMR Spectrum: (DMSOd6) 0.54 (m, 2R), 0.68 (m, 2H), 1.39 (s, 9H), 2.15 (m, 5H), 2.85 (m, 1H), 3.50 (m, 4H), 5.19 (m, 1H), 7.54 (m, 3H), 7.72 (d, 1H), 7.83 (s, 1H), 7.89 (d, 1H), 8.19 (s, 1H), 8.41 (s, 1H); Mass Spectrum: M+Na+ 527.

Provenance & Evidence