Cp₂TiCl₂-catalyzed hydrocarboxylation of alkynes with CO₂: formation of α,β-unsaturated carboxylic acids
2017
Shao, Peng | Wang, Sheng | Du, Gaixia | Xi, Chanjuan
Cp₂TiCl₂-catalyzed hydrocarboxylation of alkynes with CO₂ (atmospheric pressure) has been reported. A range of alkynes were transformed to the corresponding α,β-unsaturated carboxylic acids in high yields with high regioselectivity. The reaction proceeded with hydrotitanation, transmetalation, and subsequently carboxylation with CO₂.
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