1-Phenyl-1,3,8-triazaspiro(4.5)decan-4-one → HCID 66800080, compound

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Reaction Steps

6-methoxy-8-methyl-4-(4-oxo-1-phenyl-1,3,8-triazaspiro[4.5]dec-8-yl)pteridin-7(8H)-one was prepared in an analogous fashion to 8-methyl-6-(methyloxy)-4-[4-(2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)piperidin-1-yl]pteridin-7(8H)-one, in which the 1-piperidin-4-yl-1,3-dihydro-2H-benzimidazol-2-one was replaced with commercially available 1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one. 1H NMR (400 MHz, DMSO-d6): δ 8.82 (s, 1H), 8.37 (s, 1H), 7.08 (t, 2H), 6.66 (t, 1H), 6.61 (d, 1H), 4.99 (d, 2H), 4.60 (s, 2H), 3.81 (s, 3H), 3.57 (s, 3H), 2.63 (m, 2H), 1.76 (d, 2H); MS (EI) for C21H23N7O3; 422 (MH+).

Provenance & Evidence