تفاعل #1755455

معادلة التفاعل

1-(4′-phenylsulfonylphenyl)benzimidazole

trimethyloxonium tetrafluoroborate

ethanol

→

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

المردود 80.0%

المذيبات

dichloromethane

ظروف التفاعل

المعالجة

1. 1
   ترشيحthe precipitate which forms is filtered off
2. 2
   غسيلwashed with cold petroleum ether

الإجراء التجريبي

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%.

المصدر