Imidazole → HCID 67286620, compound

Participants

Reaction Steps

Imidazole (972 mg) and t-butylchlorodimethylsilane (2.15 g) were added to a solution of 6-hydroxy-1,3-benzoxathiol-2-one (2.00 g) in N,N-dimethylformamide (60 mL) to form a reaction solution. This reaction solution was stirred for 4 hours at normal temperature. Water was added to the reaction solution, and the reaction solution was extracted with ethyl acetate. The extract was washed with water and saturated brine in that order, and then dried over anhydrous sodium sulfate. The anhydrous sodium sulfate was removed by filtration, and then the solvent was removed by distillation under reduced pressure. The resultant residue was purified by silica gel column chromatography (hexane:ethyl acetate=20:1) to obtain the target product (3.00 g) as a colorless oil.

Provenance & Evidence