Dhruva Kumar1, Hardeep Singh2 & Jagir S Sandhu3, “Efficient Reductive Amination Using Hantzsch 1,4-Dihydropyrindine as Organo Reducing Agent in the Presence of Sc(OTf)3 and Acidic Silica at Ambient Temperature”, ADJM, vol. 23, no. 6, pp. 51–58, Jan. 2024.