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

Participants

Reaction Steps

The title compound was prepared by condensation of Intermediate 5 (400 mg, 1.289 mmol) with 3-methoxy-2-propoxybenzaldehyde (375 mg, 1.933 mmol) in presence of sodium ethoxide (175 mg, 2.578 mmol) in ethanol (15 ml) according to the procedure described in Example 24 to give 310 mg of the desired product as an off-white solid; 1H NMR (300 MHz, DMSO-d6) δ 0.93 (t, J=6.6 Hz, 3H), 1.48 (q, J=6.9 Hz, 2H), 3.77 (s, 5H), 6.93-7.00 (m, 4H), 7.52-7.59 (m, 3H), 7.82 (d, J=7.8 Hz, 2H), 7.98-8.02 (m, 2H); ESI-MS (m/z) 487.35 (M+H)+.

Provenance & Evidence