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Arenetricarbonylchromium complexes as chiral auxiliaries: asymmetric synthesis of β-lactams

1991; Royal Society of Chemistry; Issue: 14 Linguagem: Inglês

10.1039/c39910000982

2050-5639

Clara Baldoli, Paola Del Buttero,

Asymmetric Synthesis and Catalysis

A new enantioselective synthesis of β-lactams via condensation of optically pure ortho-substituted benzylideneaminetricarbonylchromium complexes with ester-enolates is reported; the enantiomeric excess is higher than 98%.