Nucleophilic addition of lithio derivatives to 1-substituted benzo[c][2,7]naphthyridines (2,9-diazaphenanthrenes)
Abstract
Nucleophilic addition of lithio derivatives to 1-substituted benzo[c][2,7]naphthyridines and rearomatization of the intermediate dihydro compounds with MnO2 gives good overall yields of product.