반응 #347131

반응 방정식

3,4,5,6-tetrafluorophthaloyldifluoride

3,3,4,5,6,7-hexafluoro-1-[3H]-isobenzofuranone

→

tetrafluorophthalic anhydride

수율 65.0%

용매

trifluoroacetic acid

반응 조건

후처리

1. 1
   기타Into a 200 ml glass reactor equipped with a reflux condenser and a stirrer
2. 2
   온도the mixture was refluxed for 72 hours with vigorous stirring
3. 3
   기타Then, the reaction mixture was separated by distillation

실험 절차

Into a 200 ml glass reactor equipped with a reflux condenser and a stirrer, 50 g (0.207 mol) of the mixture (1:1) of the 3,4,5,6-tetrafluorophthaloyldifluoride and the 3,3,4,5,6,7-hexafluoro-1-[3H]-isobenzofuranone of Example 2, and 50 ml of trifluoroacetic acid were charged, and the mixture was refluxed for 72 hours with vigorous stirring. Then, the reaction mixture was separated by distillation to obtain 29.6 g of tetrafluorophthalic anhydride. The yield was 65%.

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