Selective Reduction of Nitroarenes by a Hantzsch 1,4-Dihydropyridine: A Facile and Efficient Approach to Substituted Quinolines - Xing, Rui-Guang; Li, Ya-Nan; Liu, Qiang; Han, Yi-Feng; Wei, Xia; Li, Jing; Zhou, Bo (Synthesis, 2011)