Photocatalytic routes to heterocycles with detailed mechanistic and sustainability coverage

Photocatalytic Synthesis of Heterocyclic Compounds connects traditional and photocatalytic approaches to heterocycle formation, addressing the demand for greener synthetic methodologies in pharmaceuticals, agrochemicals, and materials science.

This book covers photophysical and photochemical fundamentals underlying photoredox catalysis, it then examines radical and ionic pathways using both metal-based and metal-free catalysts. Synthetic coverage spans five-membered, six-membered, and fused heterocyclic systems. Methodologies emphasizing atom economy, reduced energy consumption, and minimal environmental impact are presented alongside discussion of current challenges and future directions in the field.

Key topics include:

• Mechanistic analysis of photoredox catalytic cycles relevant to nitrogen-, oxygen-, and sulfur-containing heterocycle formation under visible light conditions
• Comparative evaluation of metal-based and metal-free photocatalyst systems for efficient heterocyclic ring construction via radical and ionic pathways
• Green chemistry methodologies prioritizing atom economy, reduced energy input, and minimized waste generation in heterocycle synthesis
• Applications of photocatalytic-synthesized heterocycles in pharmaceutical development, agrochemical design, and advanced materials science
• Assessment of current limitations and future research directions for scaling photocatalytic heterocycle synthesis toward practical implementation

Synthetic organic chemists, medicinal chemists, and materials scientists seeking sustainable routes to heterocyclic scaffolds will find this volume a valuable resource. By consolidating photocatalytic strategies across heterocycle classes, it serves researchers and industry professionals advancing green chemistry in heterocyclic compound production.

Pranjal K. Baruah is a Professor at Gauhati University. He obtained his PhD from NCL, Pune, followed by postdoctoral research at UNC at Chapel Hill, USA, and as a Marie Curie Fellow at the University of Oxford, UK. His research spans catalysis, synthetic methodology, C–H functionalization, nanomaterials, medicinal chemistry, and sustainable technologies. He has supervised several PhD scholars and authored over 85 publications and many book chapters. Dr. Baruah serves on editorial boards of reputed journals and was ranked among the top 5% most-cited RSC journal authors in 2020.

Pallabi Borah is an Assistant Professor in the Department of Chemistry at Assam Don Bosco University, Assam, India. Her research interests include heterocycle synthesis, green and sustainable chemistry, catalysis, and nanomaterials.

Subhasish Roy is an Assistant Professor in the Department of Chemistry at Assam Don University, Assam, India. His research interests include cross-coupling reactions, heterocycle synthesis, nanoparticle synthesis, metal complex synthesis, C–H activation reactions, cycloaddition reactions, photocatalytic transformations, and the design of green catalysts for organic transformations.