تفاعل #645226

ord-9c40d4df90064dec910bb32118f834a3

معادلة التفاعل

CC(C)(C)C(=O)Cl
Pivalic chloride
OCC(F)(F)Br
2-bromo-2,2-difluoroethanol
CCN(CC)CC
Triethylamine
CC(C)(C)C(=O)OCC(F)(F)Br
2-bromo-2,2-difluoroethyl pivalate

الكواشف

لا شيء

المذيبات

ظروف التفاعل

الظروف التفصيلية
See reaction.notes.procedure_details.

المعالجة

  1. 1
    درجة الحرارةice cooled
  2. 2
    workup.DISTILLATIONSubsequent standard separatory operation and solvent distillation

الإجراء التجريبي

Pivalic chloride and 2-bromo-2,2-difluoroethanol were mixed in tetrahydrofuran and ice cooled. Triethylamine was added to the mixture. Subsequent standard separatory operation and solvent distillation gave 2-bromo-2,2-difluoroethyl pivalate. This compound was converted into a sodium sulfinate using sodium dithionite and then oxidized with hydrogen peroxide, yielding the target compound, sodium 2-(pivaloyloxy)-1,1-difluoroethanesulfonate.

المصدر

DOI: 10.6084/m9.figshare.5104873.v1براءة الاختراع: US08062828B2uspto-grants-2011_11