126. Cui Guo, Dong-Wei Sun, Shuang Yang, Shen-Jie Mao, Xiao-Hua Xu*, Shou-Fei Zhu*, and Qi-Lin Zhou*, Iridium-catalyzed asymmetric hydrogenation of 2-pyridyl cyclic imines: a highly enantioselective approach to nicotine derivatives, J. Am. Chem. Soc. 2015