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Method for producing 2,2-bis- (3-nitrophenyl) -hexafluoropropane
Method for producing 2,2-bis- (3-nitrophenyl) -hexafluoropropane
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机译:生产2,2-双-(3-硝基苯基)-六氟丙烷的方法
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摘要
2,2-Bis-(3-nitrophenyl)-hexafluoropropane is prepared by oxidation of 2,2-bis-(4-methylphenyl)-hexafluoropropane to 2,2-bis-(4-carboxyphenyl)-hexafluoropropane, nitration of this compound to 2,2-bis-(4-carboxy-3-nitrophenyl)-hexafluoropropane and decarboxylation of the last-mentioned compound. The process lends to 2,2-bis-(3-nitrophenyl)-hexafluoropropane, free of isomers, in an industrially simple manner and with the use of common chemicals. The compound is a valuable intermediate in the polymer field. The 2,2-bis-(4-carboxy-3-nitrophenyl)-hexafluoropropane occurring as an intermediate in the process is novel.
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