e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Preparation and Regioselective SN2'Reaction of Novel g em-Difluorinated Vinyloxiranes with RLi
H Ueki, T Chiba, T Yamazaki…
Index: Blackburn, G. Michael; Kent, David E. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1986 , p. 913 - 918
... The Journal of Organic ... carbon atoms in gem-difluorinated olefins have appeared to possess extraordinarily high electrophilicity due to the strong electronic repulsion between lone ... the anticipated S N 2' product 6b was obtained only in 38% yield as an inseparable E/Z mixture ...