Process for obtaining compounds usable in the production of cefotetan, and new compounds obtained thereby
申请人:ACS DOBFAR S.p.A.
公开号:EP1258482A1
公开(公告)日:2002-11-20
A process for obtaining salts of 4-carboxy-3-hydroxy-5-mercapto-isothiazole which are compounds usable in the production of Cefotetan, and new compounds obtained thereby,
in which R1 = R2 = R3 = Na or K; R1 = Na or K and R2 = R3 = H; or R1 = R2 = Na or K and R3 = H.