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Biochemical and biophysical research communications

Hydrazide synthesis: novel substrate specificity of amidase.


PMID 10079199

Abstract

The amidase from Rhodococcus rhodochrous J1, which hydrolyses amide to acid and ammonia, was found to catalyze the synthesis of hydrazide using hydrazine as a substrate. This is the first report on the hydrazide synthesis through enzymatic reactions. The enzyme also acted on benzoic acid in the presence of hydrazine, yielding benzoic hydrazide. Together with the finding that benzoic hydrazide was converted into benzoic acid (when it was used as a substrate in the absence of hydrazine), these unique characteristics suggest that the reaction route for the formation of the acid from the hydrazide and that of the hydrazide from the acid are reversible to each other via the acyl-enzyme. Not only aromatic hydrazides but also aliphatic hydrazides were synthesized from the corresponding amides and hydrazine.

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