Reaction of aliphatic aldehydes with hydrogen telluride under acidic conditions gave dialkyl ditellurides in moderate yields. The use of deuterium telluride formed in situ from aluminum telluride and deuterium oxide provided a facile synthetic method of 1,1′-dideuterated dialkyl ditellurides.
Hydrogen telluride was found to reduce imines and enamines to the corresponding amines under mild conditions. As an application of this reduction,a new method for reductive alkylation of primary and secondary amines with ketones or aldehydes has been developed.
Hydrogen telluride, generated in situ from Al2Te3 and H2O, is used as a reagent in the conversion of the imines (I) and the enamine (III) to the amines (II) or (IV).
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