Choline Chloride as Catalyst towards the Attractive Yonemitsu Reaction of Benzaldehyde, Indole, and Malononitrile
Yang Zhonghua, Liu Lanye, Zhao Yihe, Hong Yuanlin, Ruan Hongli, Lü Chengwei
Chin. J. Org. Chem. . 2018, (10): 2761 -2766 .  DOI: 10.6023/cjoc201803007