Add time:07/29/2019 Source:sciencedirect.com
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.
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