Triethylamine → HCID 86656160, compound

Participants

Reaction Steps

To a mixture of 1-(4-bromo-2-methyl-1,3-benzothiazol-5-yl)ethanol (1.81 g, 6.65 mmol) in methylene chloride (40 mL) was added triethylamine (1.39 mL, 9.98 mmol), followed by methanesulfonyl chloride (0.643 mL, 8.31 mmol). After stirring at room temperature for 30 minutes, the resultant mixture was diluted with dichloromethane, washed with saturated sodium bicarbonate and brine, dried over magnesium sulfate, and then concentrated to dryness under reduced pressure. The crude mesylate was dissolved in N,N-dimethylformamide (20 mL) and treated with sodium azide (2.16 g, 33.2 mmol) at room temperature overnight. After diluting with ethyl acetate, the mixture was washed with water and brine, dried over magnesium sulfate, and evaporated to dryness. The crude product was used in next step (1.90 g, 96%). LCMS calculated for C10H10BrI\T4S(M+H)+: m/z=297.0; found: 297.0.

Provenance & Evidence