C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/336.5
C07F 7/10 (2006.01) C07F 7/18 (2006.01)
Patent
CA 1260950
Abstract of the Disclosure A .beta.-lactam compound having the formula (I): (I) Image wherein R1, R2 and R3 are a member selected from the group consisting of a lower alkyl group having 1 to 6 carbon atoms, phenyl group and an aralkyl group, a process for preparing the same, which comprises reacting an enolsilylether having the formula (II): Image (II) wherein R1, R2 and R3 are as defined above, with chlorosulfonylisocyanate and then reducing the obtained product. The .beta.-lactam compound of the present invention is a useful intermediate for preparing carbapenem .beta.-lactam compound.
526579
Kan Kazunori
Ohashi Takehisa
Sada Isao
Ueyama Noboru
Watanabe Kiyoshi
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Osler Hoskin & Harcourt Llp
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