Fremgangsmåte for fremstilling av benzoksazinderivater og mellomprodukter derfor
摘要
<p>A processes which is industrially advantageous in producing antibacterial agents. An industrially advantageous process for producing an intermediate useful in producing antibactrial agents is provided by producing compound (VI-a) in accordance with the following reaction schema. <CHEM> A process for producing the compound represented by the above formulae and production intermediates thereof.</p>
