... Volume: Page: ... The Journal of Organic Chemistry. ... of α,β-unsaturated carboxylic acids and esters via an intermolecular titanium-mediated reductive coupling of alkynes with carbon dioxide(14) and carbonates (Scheme 1b).(15) Complementarily, zirconocene ...
[Padron, Jose M.; Miranda, Pedro O.; Padron, Juan I.; Martin, Victor S. Bioorganic and Medicinal Chemistry Letters, 2006 , vol. 16, # 8 p. 2266 - 2269]