Abstract
1. By the action of 2-diazo-1,1,1-trifluoroethane on perfluoro carboxylic anhydrides a number of perfluoro(α-diazo ketones) were obtained. 2. With the case of 3-diazohexafluoro-2-butanone as example, some chemical properties of perfluoro(α-diazo ketones) were investigated. The pyrolysis of 3-diazohexafluoro-2-butanone is accompanied by Wolff rearrangement and leads to bistrifluoromethylketene.
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