Sulfuric Acid → HCID 86680483, compound

Participants

Reaction Steps

To a suspension of 1-(2-(4-fluorophenyl)thiazol-5-yl)-1-(pyridin-4-yl)ethanol (1 g, 3.3 mmol) in ethanol (25 mL) was added H2SO4 (0.18 mL, 3.3 mmol) slowly at 0° C., and then the mixture was stirred for 1 hour at room temperature. The solid that formed was filtered and washed with hexane (10 mL) to afford 4-(1-(2-(4-fluorophenyl)thiazol-5-yl)-1-hydroxyethyl)pyridin-1-ium hydrogen sulfate as an off-white solid (500 mg, 38% yield), HPLC purity 99.3%, mp 193-196° C. 1H NMR (400 MHz, DMSO-d6): 8.82 (d, 2H), 8.05 (d, 2H), 7.93-7.89 (m, 3H), 7.29 (t, 2H), 7.13 (br s, 1H), 2.00 (s, 3H); LC-MS m/z calculated for [M+H]+ 301.07. found 301.1.

Provenance & Evidence