Nagalakshmi, K.; Diwakar, B.; Govindh, B.; Reddy, P. G.; Venu, R.; Bhargavi, I.; Devi, T. P.; Murthy, Y.; Siddaiah, V. A Simple and Straightforward Synthesis of Cinnamic Acids and Ylidene Malononitriles via Knoevenagel Condensation Employing DABCO As Catalyst. ajc 2017, 29, 1561-1564.