The solvent-free approach provides green and alternative synthetic methods for obtaining diverse bioactive heterocycles. The solvent is frequently the primary component of synthetic protocol and contributes to significant waste. Additionally, its removal processes are energy intensive and substantial. This book explores different solvent-free procedures for efficiently synthesising heterocyclic analogues of immense biological importance and other applications.

Prof S.B. Jonnalagadda is currently a Senior Professor of Chemistry at the University of KwaZulu-Natal, South Africa, since 2003. He received his BSc from the Andhra University and MSc and PhD in Chemistry from the Vikram University, Ujjain, India. He worked as a DFG Research Associate at the University of Bonn, Germany, and in different faculty positions at the University of Nairobi and Zimbabwe. He joined the University of Durban-Westville in 1995 as a Professor of Physical Chemistry. Professor Jonnalagadda is an elected Fellow of the University of KwaZulu-Natal (2012), South African Chemical Institute (2014), African Academy of Sciences (2015), and A.P. Academy of Sciences, India (2017). He published 450+ research papers and review articles in reputed and high-impact journals. He has participated in over 150 research conferences as a plenary or invited speaker in over 45 countries. He is among the leading researchers of UKZN and was the top researcher in 2017. His research interests include Green chemistry, Value-added conversions, Water Treatment and Heterogeneous Catalysis.

Dr. Bubun Banerjee received his Ph.D. degree from Visva-Bharati University, Santiniketan, West Bengal, India. He has nearly nine years of experience in the field of research related to green and sustainable developments. Presently he is working as an assistant professor of chemistry at the Department of Chemistry, Akal University, Talwandi Sabo, Bathinda, Punjab, India. Dr. Banerjee published more than 100 research articles in the internationally renowned journals and authored fifteen book chapters; he also co-edited eleven books and guest edited nine different special thematic issues of different journals.