1. National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad-500 037, India
2. Department of Chemistry, Kakatiya University, Warangal 506 009, A.P, India
3. Division of Organic Chemistry, Indian Institute of Chemical Technology, Hyderabad 500 607, India
4. Laboratory of Asymmetric Synthesis, Chemistry Institute of Natural Resources, University of Talca, Talca, P.O. Box 747, Chile
5. Catalytic Chemistry Chair, Chemistry Department, College of Science, King Saud University, Riyadh, Saudi Arabia