FORFARANDE FOR FRAMSTELLNING AV 2-(2-AMINOTIAZOL-4-YL)GLYOXYLSYRADERIVAT ELLER ETT SALT DERAV OCH MELLANPRODUKTER HERFOR SAMT FORFARANDE FOR FRAMSTELLNING AV MELLANPRODUKTERNA

摘要

This invention relates to a novel process for producing a 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof which are useful in producing a cephalosporin antibiotic, and to intermediates for said derivative and salt and a process for producing the intermediates.