C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/277, 260/335
C07D 205/08 (2006.01) C07D 205/085 (2006.01) C07D 401/04 (2006.01) C07D 405/04 (2006.01) C07D 409/04 (2006.01) C07F 3/06 (2006.01) C07F 7/10 (2006.01)
Patent
CA 2019619
Abstract A synthesis of trans-.beta.-lactams with an easily convert- ible group on the C-4 carbon atom of the azetidinone ring comprising a condensation reaction of a metal enolate with an imine with a heterocyclic group or a diimine is provided. Furthermore, new chiral .beta.-lactams and an enantioselect- ive synthesis of .beta.-lactams using a chiral imine or .beta.-diimine are provided. Also new chiral substituted amino propionic ester metal compounds and new chiral amino acid compounds and processes for the preparation thereof are provided.
Britovsek George
Jastrzebski Johann T. B. H.
Kleijn Henk
Van Der Steen Frederik H.
Van Koten Gerard
Britovsek George
Jastrzebski Johann T. B. H.
Kleijn Henk
Osler Hoskin & Harcourt Llp
Rijksuniversiteit Utrecht
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