Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1994-11-18
1995-11-14
Reamer, James H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
568404, C07C24906
Patent
active
054668794
ABSTRACT:
A method of making hexafluoroacetone from hexafluoroacetone oxime comprising heating hexafluoroacetone oxime (or solvent complex thereof) with a concentrated mineral acid to yield hexafluoroacetone. Also a method of making hexafluoroacetone oxime from hexafluoroisobutyroyl carbanion alkylammonium salts. The oxime can be prepared by reacting the salts in solvent with an alkali or alkaline earth metal nitrite and subsequently decarboxylating and hydrolyzing the reaction product, or alternatively, reacting the salts in a solvent with dinitrogen tri- or tetra-oxide and subsequently decarboxylating and hydrolyzing the reaction product.
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Griswold Gary L.
Kirn Walter N.
Maki Eloise J.
Minnesota Mining and Manufacturing Company
Reamer James H.
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