G. Hornyak et al., A TRIFLUOROMETHYL GROUP DIRECTED SEMIPINACOL REARRANGEMENT - SYNTHESIS OF ALPHA-(TRIFLUOROACETYL) DIARYLMETHANES, Journal of fluorine chemistry, 84(1), 1997, pp. 49-51
Semipinacol rearrangements of trifluoromethyl substituted vic-diol mon
omethyl ethers proceeded smoothly to give alpha-(trifluoroacetyl) diar
ylmethanes in good yields, The trifluoromethyl group gave specific ori
entation to the course of the rearrangement. (C) 1997 Elsevier Science
S.A.