- -Cycloadditions to Strained Bridgehead Olefins. I. 1,1-Dichloro-2,2-difluoroethene
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The strained bridgehead olefins bicyclonon-1-ene (1), bicyclonon-1(8)-ene (2), and bicyclonon-1-ene (3) react rapidly with 1,1-dichloro-2,2-difluorethene (5) to yield mixtures of regioisomeric dichlorodifluorocyclobutanes 8/9, 10/11 and 12/13, respectively.On the contrary, the reaction of 5 with the model compound (E)-1-methylcyclooctene (4) is completely regioselective.The structure of the cycloadducts has been elucidated mainly by 19F-NMR. and 13C-NMR. spectroscopy.
- Becker, Konrad B.,Hohermuth, Martin K.
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