T. Kitazume et H. Shibano, SYNTHESIS OF (ALPHA-R, 6R OR 6S) UOROMETHYL-4-HYDROXY-4-(4-CHLOROPHENYL)PIPERIDINES, Journal of fluorine chemistry, 82(2), 1997, pp. 185-188
Diasteroeselective synthesis of (alpha R, 6R or oromethyl-4-hydroxy-4-
(4-chlorophenyl)piperidines, which were produced from the reaction of
(alpha R, 6R)- or (alpha R, (alpha-methylbenzyl)-6-difluoromethyl-4-pi
peridone and 4-chlorophenyllithium, is described.