A group of Spanish scientists have investigated the intramolecular [4C+3C] cycloaddition reaction of allenedienes in this Dalton Transactions Hot article.
The researchers from Universidad de Santiago de Compostela and CSIC used density functional theory to look at the mechanism of the reaction when catalysed by PtCl2 and Au(I). They had a range of questions they wanted to answer, including ‘do the allene substituents affect the reaction mechanism? Are the PtCl2 and Au(I)-catalyzed processes exhibiting a similar profile? Why do some substrate/catalyst combinations give rise to [4 + 2] instead of [4 + 3] cycloadducts?’
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Theoretical study on intramolecular allene-diene cycloadditions catalyzed by PtCl2 and Au(I) complexes
Sergi Montserrat, Isaac Alonso, Fernando López, José L. Mascareñas, Agustí Lledós and Gregori Ujaque
Dalton Trans., 2011, DOI: 10.1039/C1DT11061F