Acyl silane directed Cp∗Rh(iii)-catalysed alkylation/annulation reactions

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Studies into the Cp∗Rh(iii)-catalysed hydroarylation of alkenes with aryl acyl silanes led to the discovery of a new synthetic strategy to access unique silicon derived indene frameworks. Rather than protodemetalation of the metal enolate formed following insertion of an alkene into the aryl C-H bond, intramolecular aldol condensation of the acyl silane occurred to generate a series of 2-formyl- and 2-acetyl-3-silyl indenes. This represents only the second example of rhodium-catalysed C-H functionalisation employing acyl silanes as weakly coordinating directing groups and the intramolecular aldol condensation strategy was extended to access analogous silicon derived benzofurans.

Original languageEnglish
Pages (from-to)7938-7941
Number of pages4
JournalChemical Communications
Issue number64
Publication statusPublished - 18 Aug 2021
Externally publishedYes

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