Russian chemical bulletin

The effect of the nature of the substituent at the nitrogen atom on transformations of 3-bromo-2, 2, 6, 6-tetramethyl-4-piperidinone and its 1-hydroxy and 1-oxyl …

LA Krinitskaya

Index: Krinitskaya Russian Chemical Bulletin, 1997 , vol. 46, # 6 p. 1140 - 1142

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Citation Number: 3

Abstract

Abstract 3-Bromo-2, 2, 6, 6-tetramethyl-4-oxopiperidine-1-oxyl reacts with NH 4 OH to give 3- carbamoyl-2, 2, 5, 5-tetramethylpyrrolidine-1-oxyl, a product of the Favorsky rearrangement. 3-Bromo-2, 2, 6, 6-tetramethyl-4-piperidinone is transformed under these conditions into a