Rhodium-catalyzed synthesis of 3-hydroxy-β-lactams via oxonium ylide generation: Three-component reaction between azetidine-2,3-diones, ethyl diazoacetate, and alcohols

1. Alcaide, B.
2. Almendros, P.
3. Aragoncillo, C.
4. Callejo, R.
5. Ruiz, M.P.
6. Torres, M.R.