Section I: Heterocyclic compounds and their importance
 
1.1 Importance of Heterocycles in modern applications
 
1.2 Challenges in the synthesis of heterocycles
 
Section II: Introduction to photo catalysis
 
2.1 Overview of photocatalysis in organic synthesis
 
2.2 History and principles of light driven reactions in organic synthesis
 
2.3 Photophysical and photochemical process of heterocyclic compounds
 
2.4 Types of Photo catalysts: Application in heterocycle synthesis
 
2.5 Mechanism of Photocatalysis
 
2.6 Investigation of Photocatalytic Mechanism through Computational and spectroscopic Approaches
 

Section III: Photocatalytic pathways for heterocyclic synthesis
 
3.1 Radical and ionic pathways in heterocyclic formation
 
3.2 Functionalization of Pre-existing Heterocycles Using Photoredox Catalysis
 
3.3 Metal catalyzed annulation reactions for the construction of heterocycles using para-Quinone Methides
 
3.4 Metal-Free photocatalyst for heterocycle synthesis
 
Section IV: Photocatalytic synthesis of five and six membered heterocycles
 
4.1 Photocatalytic synthesis of five membered heterocycle containing one hetero atom
 
4.2 photocatalytic synthesis of six membered heterocycle containing one hetero atom.
 
4.3 photocatalytic synthesis of six membered heterocycle containing more than one hetero atom.
 
Section V: Photocatalytic synthesis of fused and polycyclic heterocycles
 
5.1 Photocatalytic synthesis of fused fused N-heteroaycles
 
5.2 Photocatalytic synthesis of O-fused heterocycles
 
5.3 Visible Light-Promoted Photocatalytic C(sp2)-H Functionalization of coumarins
 

Section VI: Sustainable aspects of photocatalysis
 
6.1 Green Chemistry Principles in Photocatalyzed Synthesis of Heterocycles
 
6.2 Photocatalysis for energy efficiency -Waste Management, Atom Economy, and Energy-Efficient Technologies in Photocatalysis
 
6.3 Photocatalysis in Chemical Engineering and Continious Flow Technologies for Heterocycles Synthesis
 
6.4: Photocatalytic Technologies for Sustainable Waste Management and Solar Energy Conversion Section VII: Conclusion
 
7.1 Future scope and challenges: Scalability of Photocatalytic Reactions
 
7.2 Compatibility of photocatalyst with diverse substrates
 
7.3 Challenges and Future Scope of Photocatalysis