Chemistry Letters p. 1867 - 1868 (1990)
Update date:2022-08-05
Topics:
Tanaka, Hideo
Taniguchi, Masatoshi
Kameyama, Yutaka
Monnin, Marc
Sasaoka, Michio
et al.
Direct conversion of 1-(3-chloro-2-hydroxy-1-p-methoxybenzyloxycarbonyl-1-propenyl)-4-(phenylsulfonylthio)azetidinones derived from penicillin G into 3-hydroxycephems was performed successfully by the action with BiCl3/Sn or TiCl4/Sn bimetal redox couples in DMF containing pyridine.
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