Foundations of Pericyclic Reactions and Organic Photochemistry

Understanding how molecules react under thermal and photochemical conditions is a cornerstone of advanced organic chemistry, yet these reaction pathways often seem complex and counterintuitive. This text-based course demystifies the fundamental principles governing pericyclic and photochemical transformations, breaking down complex theories into clear, digestible explanations. You will transition from memorizing reaction outcomes to logically predicting them using molecular orbital theory. * Understand the foundational principles of molecular orbital symmetry and frontier molecular orbitals (FMO) * Analyze electrocyclic reactions, cycloadditions, and sigmatropic rearrangements using Woodwards-Hoffmann rules * Apply state-energy diagrams, singlet and triplet states, and Jablonski diagrams to photochemical processes * Predict the regiochemistry and stereochemistry of thermal and light-induced concerted reactions * Practice solving step-by-step mechanism problems for key synthetic transformations * Explore modern applications of photoredox catalysis and sustainable light-driven chemical synthesis This course begins with essential terminology, structural definitions, and orbital symmetry concepts before guiding you through detailed, step-by-step mechanistic pathways. It is designed for undergraduate chemistry students, competitive exam aspirants, and researchers looking to build a rock-solid foundation in physical organic chemistry. No advanced prior knowledge of quantum mechanics is required to begin. Start reading today to unlock the logic behind molecular transformations.