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Beilstein J. Org. Chem. 2012, 8, 2207–2213, doi:10.3762/bjoc.8.249
Graphical Abstract
Figure 1: trans-Enediyne.
Scheme 1: Synthetic strategy for the preparation of trifluoromethylated diynes.
Scheme 2: Preparation of various enynes.
Figure 2: Regio- and stereoisomers.
Scheme 3: A proposed reaction mechanism.
Scheme 4: Synthesis of trans-enediynes. aDetermind by 19F NMR. Values in parentheses are of isolated yield.