2-Thiazolamine, 4-(trifluoromethyl)- → 6-{(E)-2-[2-Cyclopentyloxy-3-(difluoromethoxy)phenyl]vinyl}-N-[4-(trifluoromethyl)-1,3-thiazol-2-yl]imidazo[2,1-b][1,3]thiazole-5-carboxamide

Participants

Reaction Steps

The title compound was prepared according to the general procedure (Method B) by coupling Intermediate 5 (365 mg, 0.868 mmol) with 4-(trifluoromethyl)-1,3-thiazol-2-amine (157 mg, 0.965 mmol) in the presence of EDCI hydrochloride (333 mg, 1.737 mmol) and DMAP (98 mg, 0.868 mmol) in a mixture of THF and DMF (1:1, 6 mL) to give 34 mg of the product as an off-white solid; 1H NMR (300 MHz, DMSO-d6) δ 1.75-1.85 (m, 8H), 4.70-4.78 (m, 1H), 7.18 (t, J=74.7 Hz, 1H), 7.20-7.5 (m, 2H), 7.40-7.46 (m, 1H), 7.53 (d, J=15.9 Hz, 1H), 7.60-7.70 (m, 1H), 7.79 (d, J=15.0 Hz, 1H), 8.05-8.12 (m, 2H), 13.03 (br s, 1H); APCI-MS (m/z) 571.07 (MH)+.

Provenance & Evidence