C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/106, 260/108
C07D 501/04 (2006.01) C07D 501/18 (2006.01) C07D 501/26 (2006.01) C07D 501/28 (2006.01)
Patent
CA 1055925
ABSTRACT OF THE DISCLOSURE: N-Formylcephalosporin C is obtained by reacting cephalosporin C with a formylating agent of the formula: HCOO-SO3M (I) in which M represents a metallic or organic quaternary ammonium monovalent cation, at a pH in the range of about 5 to 9.5. The compound of the invention can be readily transformed into 7-amino- cephalosporanic acid which is a valuable intermediate for producing cephalosporin-type antibodies.
236028
Hirayama Masao
Kawamura Kenji
Seki Shigeo
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