Highly efficient and stereoselective Julia-Kocienski protocol for the synthesis of α-fluoro-α,β-unsaturated Esters and Weinreb amides employing 3,5-bis(trifluoromethyl)phenyl (BTFP) sulfones

1. Alonso, D.A.
2. Fuensanta, M.
3. Gómez-Bengoa, E.
4. Nájera, C.