An Approach to Azabicyclo[n.3.1]alkanes by Double Mannich Reaction - Mityuk, Andrey P.; Denisenko, Aleksandr V.; Dacenko, Oleksandr P.; Grygorenko, Oleksandr O.; Mykhailiuk, Pavel K.; Volochnyuk, Dmitriy M.; Shishkin, Oleg V.; Tolmachev, Andrey A. (Synthesis, 2010)