Alkenylsilylazetidinone intermediates for carbapenems

Details Alkenylsilylazetidinone intermediates for carbapenems Alkenylsilylazetidinone intermediates for carbapenems

C - Chemistry, Metallurgy

07

F

260/301, 260/335

C07F 7/10 (2006.01) C07D 205/08 (2006.01) C07F 7/18 (2006.01)

Patent

CA 1327808

Shionogi Seiyaku K.K. Alkenylsilylazetielinone intermeidates for carbapenems Inventor: Shoichiro Uyeo - Abstract - An intermediate for synthesizing carbapenems is produced through 1) a reaction of 4-(leaving group substituted)-2-azetidinone ( I ) with (alk-2-enyl)halosilane ( II ) to afford 4-(leaving group substituted)-1-(alk-2-enyl)silyl-2-azetidinone ( III ) and then 2) a reaction of the product 4-(leaving group substituted)-1- (alk-2-enyl)silyl-2-azetldinone ( III ) with acid to give the corresponding 4-(alk-2-enyl)-2-azetidinone ( IV ) . Image I II III IV (The symbols are defined in the specification) -1-

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