title: Palladium catalysed [2 + 2 + 1] intramolecular cycloaddition for the preparation of bicyclo[3.3.0]octa-1.5-dien-3-ones from 1,6-diynes.
abstract: Palladium catalysed [2 + 2 + 1] cycloaddition of 1,6-heptadiynes with CO (1 atm) furnishes bicyclo[3.3.0]octa-1,5-dien-3-ones in 30-74% yield.
authors.affiliation: Molecular Innovation, Diversity and Automated Synthesis Centre, School of Chemistry, Leeds University, Leeds, UK LS2 9JT. R.Grigg@chem.leeds.ac.uk
authors.forename: Ronald
authors.initials: R
authors.lastname: Grigg
authors.forename: Lixin
authors.initials: L
authors.lastname: Zhang
authors.forename: Simon
authors.initials: S
authors.lastname: Collard
authors.forename: Ann
authors.initials: A
authors.lastname: Keep