Sodium ethoxide → 7-[(E)-2-{3-Methoxy-2-neopentyloxyphenyl}-1-ethenyl]-6-[4-(trifluoromethoxy)phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one

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Reaction Steps

The title compound was prepared by condensation of Intermediate 15 (400 mg, 1.225 mmol) with 3-methoxy-2-neopentyloxybenzaldehyde (353 mg, 1.50 mmol) in the presence of sodium ethoxide (163 mg, 2.40 mmol) in ethanol (15 ml) according to the procedure outlined in Example 24 to afford 320 mg of the desired product as a pale yellow solid; 1H NMR (300 MHz, DMSO-d6) δ 1.01 (s, 9H), 3.52 (s, 2H), 3.77 (s, 3H), 6.82 (d, J=16.2 Hz, 1H), 6.92-6.94 (m, 1H), 6.99 (s, 2H), 7.48 (m, 5H), 7.98 (d, J=5.1 Hz, 1H), 8.22 (d, J=15.6 Hz, 1H); ESI-MS (m/z) 531.35 (M+H)+.

Provenance & Evidence