Thermochemical reaction of 7-azido-1-ethyl-6,8-difluoroquinolone-3-carboxylate with heterocyclic amines. An expeditious synthesis of novel fluoroquinolone derivatives

摘要

Novel 7-hydrazino-1-ethyl-6,8-difluoroquinolone-3-carboxylate derivatives are obtained by thermochemical reaction of 7-azido-1-ethyl-6,8-difluoroquinolone-3-carboxylate with heterocyclic amines. These new fluoroquinolone carboxylates could be used as precursors in the preparation of novel fluoroquinolone carboxylic acids. These latter compounds are known to have biological activity. (c) 2007 Elsevier Ltd. All rights reserved.