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 |
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| Authors: | Grigg Ronald Zhang Lixin Collard Simon Keep Ann |
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| Institution: | Molecular Innovation, Diversity and Automated Synthesis Centre, School of Chemistry, Leeds University, Leeds, UK LS2 9JT. R.Grigg@chem.leeds.ac.uk |
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| Abstract: | Palladium catalysed 2 + 2 + 1] cycloaddition of 1,6-heptadiynes with CO (1 atm) furnishes bicyclo3.3.0]octa-1,5-dien-3-ones in 30-74% yield. |
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