The Facile Syntheses of 2,3-Dihydro-1H-1,5-benzodiazepines and Their Ribofuranosides.

A one-pot procedure provides access to dihydrobenzodiazepines, e.g. (III), containing heterocyclic moieties or fused and spiro derivatives (VII) and (X) at ambient temperature in environmentally benign ionic liquids.