Green Chemistry Approaches
Start with the big picture
The lesson connects the 12 principles of green chemistry with decisions made during drug development. It introduces atom economy, which considers how much of the reactant material becomes part of the final active pharmaceutical ingredient, and the E-factor, a measure of waste relative to product. It then surveys approaches including benign solvents, catalysis and biocatalysis, alternative energy inputs, continuous-flow methods, solvent-free reactions, and in situ reagent generation. Renewable feedstocks and process intensification offer further ways to reduce dependence on fossil resources and cut process demands. Life-cycle assessment provides a broader framework for comparing environmental impacts and informing route selection. Together, these ideas show how sustainability can be considered throughout pharmaceutical process design.
What you'll learn
- Describe how the 12 principles guide greener pharmaceutical development.
- Explain atom economy and the E-factor as process assessment tools.
- Identify greener solvents, catalysts, and alternative reaction-activation methods.
- Summarize how flow chemistry and process intensification can reduce process demands.
- Recognize the roles of renewable feedstocks and life-cycle assessment in route selection.
Continue your study
Work through the complete notes and reinforce the topic with the study tools available in the full lesson.
