Novel biocatalytic reduction of aryl azides: chemoenzymaticsynthesis of pyrrolo[2,1-c][1,4]benzodiazepineantibiotics1

The chemoselective reduction of aryl azides to aryl amines, and the synthesis of the imine-containing pyrrolo[2,1-c]- [1,4]benzodiazepine DNA-binding antitumour antibiotics by selective biocatalytic reductive cyclization of azido aldehydes, has been achieved by employing baker’s yeast.

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