Enantioselective Approach to Tropane Skeleton: Synthesis of (1S,5S,6R)-6-Hydroxy-8-methyl-8-azabicyclo[3.2.1]octan-3-one - Pollini, Gian Piero; De Risi, Carmela; Lumento, Flavio; Marchetti, Paolo; Zanirato, Vinicio (Synlett, 2005)