Ethanol → HCID 59580630, compound

Participants

Reaction Conditions

Reaction Steps

To a suspension of 6-chloro-3-pyridine boronic acid (158 mg, 1.0 mmol) in toluene (4 mL) was added absolute ethanol (2 mL) followed by a 2.0 M solution of K2CO3 (1.0 mL). To this mixture was added (2-bromo-thiazol-5-yl)-methyl-carbamic acid tert-butyl ester (322 mg, 1.1 mmol) followed by tetrakis(triphenylphosphine)palladium(0) (58 mg, 0.05 mmol). The reaction mixture was heated to 100° C. for 16 h. The mixture was cooled and diluted with ethyl acetate. The organic layer was washed with saturated aqueous NaHCO3, dried over Na2SO4, filtered and concentrated. The organic layer was purified by silica gel chromatography (0-100% ethyl acetate/hexanes) to afford an off-white solid (270 mg, 83%): mp 167-170° C.; 1H NMR (300 MHz, CDCl3) δ 8.88 (br s, 1H), 8.16 (dd J=3.0, 8.0 Hz, 1H), 7.40 (d, J=7.0 Hz, 1H), 7.39 (s, 1H), 3.45 (s, 3H), 1.61 (s, 9H); ESIMS m/z 326 (M+1).

Provenance & Evidence