Highly enantioselective copper(I)-catalyzed conjugate addition of terminal alkynes to 1,1-difluoro-1-(phenylsulfonyl)-3-en-2-ones: New ester/amide surrogates in asymmetric catalysis

1. Sanz-Marco, A.
2. García-Ortiz, A.
3. Blay, G.
4. Fernández, I.
5. Pedro, J.R.