Qian Cai, Zhengqiu Li, Jiajia Wei, Chengyong Ha, Duanqing Pei and Ke Ding.
Assembly of indole-2-carboxylic acid esters through a ligand-free copper-catalysed cascade process, Chem. Commun., 2009,
, 7581. Tian-Yu Liu, Jun Long, Bang-Jing Li, Lin Jiang, Rui Li, Yong Wu, Li-Sheng Ding and Ying-Chun Chen.
Enantioselective construction of quaternary carbon centre catalysed by bifunctional organocatalyst, Org. Biomol. Chem., 2006, 4, 2097.