반응 #1755455

ord-f73855ed2b2f431fbfae61338204e495

반응 방정식

O=S(=O)(c1ccccc1)c1ccc(-n2cnc3ccccc32)cc1
1-(4′-phenylsulfonylphenyl)benzimidazole
C[O+](C)C.F[B-](F)(F)F
trimethyloxonium tetrafluoroborate
CCO
ethanol
Cn1c[n+](-c2ccc(S(=O)(=O)c3ccccc3)cc2)c2ccccc21.F[B-](F)(F)F
1-(4′-phenylsulfonylphenyl)-3-methylbenzimidazolium tetrafluoroborate
수율 80.0%

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    여과the precipitate which forms is filtered off
  2. 2
    세척washed 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%.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US07989091B2uspto-grants-2011_08