Sodium ethoxide → 7-[(E)-2-{2-Isopentyloxy-3-methoxyphenyl}-1-ethenyl]-6-[4-(trifluoro methoxy)phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one

Participants

Reaction Steps

The title compound was prepared by condensation of Intermediate 15 (350 mg, 1.071 mmol) with 2-isopentyloxy-3-methoxybenzaldehyde (334 mg, 1.501 mmol) in the presence of sodium ethoxide (146 mg, 2.147 mmol) in ethanol (15 ml) according to the procedure outlined in Example 24 to afford 280 mg of the desired product as a light yellow solid; 1H NMR (300 MHz, DMSO-d6) δ 0.93 (d, J=6.3 Hz, 6H), 1.45 (q, J=6.6 Hz, 2H), 1.85-1.91 (m, 1H), 3.77 (s, 3H), 3.86 (t, J=6.6 Hz, 2H), 6.86-6.94 (m, 2H), 7.00-7.06 (m, 2H), 7.46-7.51 (m, 5H), 7.99 (d, J=4.8 Hz, 1H), 8.07 (d, J=15.6 Hz, 1H); ESI-MS (m/z) 531.20 (M+H)+.

Provenance & Evidence