Chromium Carbenes as Substrates in Cyclopropanation Reactions: 1,4- vs 1,2-Addition in the Reaction of Sulfur Ylides and α,β-Unsaturated Alkoxychromium(0) Carbenes

1. Alcaide, B.
2. Casarrubios, L.
3. Domínguez, G.
4. Sierra, M.A.
5. Jiménez-Barbero, J.