DBU 1 reacts as a (1,3) difunctional nucleophile with 2-H heptafluorobut-2-ene 2, giving the unusual product 8; a mechanism for the formation of 8 is proposed and an X-ray crystal structure of 8 is described.
R. D. Chambers, A. J. Roche, A. S. Batsanov and J. A. K. Howard, J. Chem. Soc., Chem. Commun., 1994, 2055 DOI: 10.1039/C39940002055
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