Methods for preparing cephalosporins

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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424246, C07D50120

Patent

active

040353621

ABSTRACT:
A process for preparing cephalosporins of the structure: ##STR1## where R is any of hydrogen, C.sub.1 to C.sub.4 alkyl, t-butoxy, benzyloxy, cyano-methyl, thienyl-methyl, furyl-methyl, naphthyl-methyl, phenyl-methyl, phenoxy-methyl, phenoxy-isopropyl, pyridyl-4-thiomethyl and tetrazolyl-1-methyl;

REFERENCES:
patent: 3962277 (1976-06-01), Verweij et al.
patent: 3966738 (1976-06-01), Verweij et al.

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