KOBAYASHI TAKEO , IWANO YUJI , HIRAI KOICHI

The chloro-β-lactam derivatives (VII and XIIIa, b, c) were prepared from the readily available 4-acetoxy-2-azetidinone (III) in four steps. Silver triflate treatment of these chloro β-lactam …

Chemical and Pharmaceutical Bulletin 26(6), 1761-1767, 1978

J-STAGE  Ichushi Web