Реакция #1755455

Уравнение реакции

1-(4′-phenylsulfonylphenyl)benzimidazole

trimethyloxonium tetrafluoroborate

ethanol

→

1-(4′-phenylsulfonylphenyl)-3-methylbenzimidazolium tetrafluoroborate

Выход 80.0%

Растворители

dichloromethane

Условия реакции

Обработка

1. 1
   Фильтрацияthe precipitate which forms is filtered off
2. 2
   Промывкаwashed with cold petroleum ether

Методика

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%.

Источник