Excellent stereocontrol in intramolecular Buchner cyclisations and subsequent cycloadditions; stereospecific construction of polycyclic systems

Anita R. Maguire, N. Rachael Buckley, Patrick O'Leary, George Ferguson

Research output: Contribution to a Journal (Peer & Non Peer)Articlepeer-review

28 Citations (Scopus)

Abstract

Highly diastereoselective rhodium(II) acetate-catalysed intramolecular addition of α-diazo ketones to aromatic rings to form the azulenones 3 has been achieved; the norcaradiene form of 3 undergoes efficient stereospecific cycloaddition with phenyltriazolinedione, in either a stepwise or a tandem process, leading to the pentacyclic systems 4 as a single diastereomer in each case.

Original languageEnglish
Pages (from-to)2595-2596
Number of pages2
JournalChemical Communications
Issue number22
DOIs
Publication statusPublished - 1996
Externally publishedYes

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