ChemInform Abstract: Ultrasonic Assisted Dimeric Cinchona Based Chiral Phase Transfer Catalysts for Highly Enantioselective Synthesis of Epoxidation of α, β‐Unsaturated Ketones. Issue 18 (May 2015) - Sivamani, Jayaraman; Ashokkumar, Veeramanoharan; Sadhasivam, Velu; Duraimurugan, Kumaraguru; Siva, Ayyanar