Tert-butyl 4-hydroxypiperidine-1-carboxylate → 5-(1-Tert-butoxycarbonylpiperidin-4-yloxy)-3,4-dihydroquinazolin-4-one

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Reaction Steps

Thus, tert-butyl 4-hydroxypiperidine-1-carboxylate (0.33 g) was reacted with 5-fluoro-3,4-dihydroquinazolin-4-one (0.18 g) to give 5-(1-tert-butoxycarbonylpiperidin-4-yloxy)-3,4-dihydroquinazolin-4-one (0.39 g); NMR Spectrum: (CDCl3) 1.5 (s, 9H), 1.9-2.0 (m, 4H), 3.52 (m, 2H), 3.7 (m, 2H), 4.72 (m, 1H), 6.95 (d, 1H), 7.32 (d, 1H), 7.65 (m, 1H), 7.95 (s, 1H), 10.22 (br s, 1H); Mass Spectrum: M+H+ 346;

Provenance & Evidence