Abstract
AbstractA variety of 3‐alkynyl perfluoroalkyl ketones were prepared by a trifluoroborane etherate mediated 1,4‐addition reaction of (l‐alkynyl)diisopropoxyboranes to α,β‐unsaturated ketones substituted by a perfluoroalkyl group. The undesired side reaction, such as 1,2‐addition of alkynyl groups, could be avoided completely and the products were obtained in high yields.
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