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Chapter 7 — Further Reading

On chirality and stereochemistry

On biological chirality

On asymmetric synthesis (Chapter 7 Case Study 2)

Online tools

Suggested practice

Take ten drug structures from PubChem. For each: 1. Find the stereocenters. 2. Assign R/S (using Cahn-Ingold-Prelog priorities). 3. Look up which enantiomer is the active form. 4. Note whether the drug is marketed as a single enantiomer or a racemate.

An hour of this exercise builds the R/S assignment skill that is the most-often-failed part of many organic chemistry exams.