Sanz-Marco A, Blay G, Muñoz MC, Pedro JR. Highly enantioselective copper(i)-catalyzed conjugate addition of 1,3-diynes to α,β-unsaturated trifluoromethyl ketones.
Chem Commun (Camb) 2015;
51:8958-61. [DOI:
10.1039/c5cc01676b]
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Abstract
The conjugate diynylation of α,β-unsaturated trifluoromethyl ketones with terminal diynes is carried out. Pre-metalation of the terminal 1,3-diyne is not required. Diynes bearing a propargylic stereogenic center are obtained with good yields and ee's.
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