1 Multistep Continuous-Flow Processes for the Preparation of Heterocyclic Active Pharmaceutical Ingredients.- 2 Photochemical Synthesis of Heterocycles: Merging Flow Processing and Metal-Catalyzed Visible Light Photoredox Transformations.- 3 Flow-Assisted Synthesis of Heterocycles via Multicomponent Reactions.- 4 Flow-Assisted Synthesis of Heterocycles at High Temperatures.- 5 Flow Chemistry Approaches Applied to the Synthesis of Saturated Heterocycles.- 6 Functionalization of Heteroarenes under Continuous Flow.- 7 Flow Chemistry as a Drug Discovery Tool: A Medicinal Chemistry Perspective.- 8 Safe Use of Hazardous Chemicals in Flow.- 9 Industrial Approaches towards API Synthesis under Continuous-Flow Conditions. ukryj opis