Alkyl(phenylthio)ketenes as synthetic equivalents of monoalkylketenes: A concise general route to 3-alkyl β-lactams as carbapenem building-blocks

1. Palomo, C.
2. Cossío, F.P.
3. Odriozola, J.M.
4. Oiarbide, M.
5. Ontoria, J.M.