Sodium ethoxide → 7-[(E)-2-(2-Cyclopropylmethoxy-3-methoxyphenyl)-1-ethenyl]-6-(4-difluoro methoxyphenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one

Participants

Reaction Steps

The title compound was synthesized by condensation of Intermediate 14 (250 mg, 0.811 mmol) with 2-cyclopropylmethoxy-3-methoxybenzaldehyde (234 mg, 1.136 mmol) in presence of sodium ethoxide (110 mg, 1.623 mmol) according to the procedure of Example 23 to give 158 mg of the desired product; 1H NMR (300 MHz, DMSO-d6) δ 0.26-0.28 (m, 2H), 0.49-0.51 (m, 2H), 1.02-1.04 (m, 1H), 3.69 (m, 2H), 3.77 (s, 3H), 6.93-7.08 (m, 4H), 7.27-7.57 (m, 6H), 7.99 (br s, 1H), 8.15 (d, J=16.2 Hz, 1H); ESI-MS (m/z) 497.28 (M+H)+.

Provenance & Evidence