B. Alcaide et al., THE ASYMMETRIC-SYNTHESIS OF NOVEL TIN-FUNCTIONALIZED CARBAPENAM SYSTEMS THROUGH RADICAL CYCLIZATION OF ENYNE BETA-LACTAMS, Tetrahedron : asymmetry, 6(5), 1995, pp. 1055-1058
New chiral, non-racemic, vinylstannyl carbapenams 2 are easily-accessi
ble by the regio- and stereocontrolled tin-mediated, vinyl radical int
ramolecular cyclization of enyne beta-lactams 1.