반응 #1755455
ord-f73855ed2b2f431fbfae61338204e495
반응 방정식
1-(4′-phenylsulfonylphenyl)benzimidazole
trimethyloxonium tetrafluoroborate
ethanol
→
1-(4′-phenylsulfonylphenyl)-3-methylbenzimidazolium tetrafluoroborate
수율 80.0%
반응 조건
상세 조건
See reaction.notes.procedure_details.
후처리
- 1여과the precipitate which forms is filtered off
- 2세척washed with cold petroleum ether
실험 절차
A solution of 1-(4′-phenylsulfonylphenyl)benzimidazole (6.7 g, 20 mmol) in dichloromethane (100 ml) is admixed at −10° C. with trimethyloxonium tetrafluoroborate (3.3 g, 22 mmol) and stirred under argon for 16 h. After adding ethanol, the precipitate which forms is filtered off and washed with cold petroleum ether. Yield: 80%.