Preparative Organic Chemistry
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ChemInform Abstract: Ru3(CO)12-Catalyzed Cyclocarbonylation of Yne-Aldehydes to Bicyclic α,β-Unsaturated γ-Butyrolactones.
First published: 19 June 2010
Abstract
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ChemInform Abstract
The title reaction represents the first catalytic synthesis of five-membered lactones via a [2+2+1]cyclocoupling reaction, incorporating the aldehyde π-bond, the alkyne π-bond, and the carbon atom of CO into a five-membered ring. The reaction is applicable to the formation of cyclopentane-, cyclohexane-, and heterocycle-fused lactones.
