3-fluorosulfonyloxyceph-3-em displacement process

Details 3-fluorosulfonyloxyceph-3-em displacement process 3-fluorosulfonyloxyceph-3-em displacement process

C - Chemistry, Metallurgy

07

D

260/101, 260/271

C07D 501/04 (2006.01) C07D 463/00 (2006.01) C07D 501/00 (2006.01) C07D 501/59 (2006.01) C07D 505/00 (2006.01)

Patent

CA 2030361

3-Fluorosulfonyloxyceph-3-ems having a protected amino or acylamino group in the 7-position are subject to carbon-carbon bond formation at the 3-position by means of a palladium catalyzed coupling reaction with substituted organostannanes. A process for preparing cefprozil is disclosed.

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