Simplified for obtaining gatifloxacin procedure.

simplified procedure obtaining gatifloxacin. The present invention relates to a simplified process for obtaining gatifloxacin procedure. In said process is used as starting compound (II) is reacted with 2-methylpiperazine after being silylated and activated chelated boron. Finally, the boron chelate was removed by treatment with an alcohol alkyl chain C {1} {4} -alkyl. A feature of the procedure is that all reactions are carried out without isolation of the intermediates formed (procedure "one pot").