PMA-Silica Gel Catalyzed Propargylation of Aromatic Compounds with Arylpropargyl Alcohols under Solvent-Free Conditions - Srihari, Pabbaraja; Reddy, Joolakanti Shyam Sunder; Mandal, Satadru Sekhar; Satyanarayana, Kamani; Yadav, Jhillu Singh (Synthesis, 2008)