Process for the preparation of 1,1-dioxo-7-substituted cephems

Details Process for the preparation of 1,1-dioxo-7-substituted cephems Process for the preparation of 1,1-dioxo-7-substituted cephems

C - Chemistry, Metallurgy

07

D

260/108, 260/108

C07D 501/18 (2006.01) C07D 501/00 (2006.01)

Patent

CA 2022344

9/JFD7 17668 TITLE OF THE INVENTION A PROCESS FOR THE PREPARATION OF 1,l-DIOXO-7- SUBSTITUTED CEPHEMS ABSTRACT OF THE DISCLOSURE The present invention relates to an improved process for the preparation of the compounds of formula (I) Image (I) which involve the direct oxidation without N-protection of the compound of the formula (II) Image (II)

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