NOVEL PROCESS FOR PRODUCING 1-SUBSTITUTED ARYL-1, 4-DIHYDRO-4-OXONAPHTHYRIDINE DERIVATIVE, INTERMEDIATES THEREOF AND PROCESSES FOR PRODUCING THE INTERMEDIATES

摘要

This invention relates to a process for industrially producing a 1-substituted aryl-1,4-dihydro-4-oxonaphthyridine derivative and a salt thereof which are useful as an antibacterial agent, and also to intermediates therefor and processes for producing the intermediates.