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Chapter 30 — Further Reading

Textbooks

Primary literature

Pharmaceutical and medicinal chemistry

  • Wermuth, C. G. (ed.) (2008). The Practice of Medicinal Chemistry, 3rd ed. (Academic Press). Comprehensive reference for drug design, including extensive coverage of amine pKa modulation.

  • Patrick, G. L. (2017). An Introduction to Medicinal Chemistry, 6th ed. (Oxford University Press). Excellent intro to drug design; particularly good chapter on drug-target interactions.

  • Lipinski, C. A., et al. (2001). "Experimental and computational approaches to estimate solubility and permeability in drug discovery and development settings." Advanced Drug Delivery Reviews 46(1-3), 3–26. The Lipinski's rule of 5 paper — including pKa as a key parameter.

  • Hartung, J., and Pulst, M. (2018). Various reviews on covalent inhibitor design, including amine warheads. Useful for understanding modern targeted drugs.

Alkaloid chemistry references

Computational tools

  • Avogadro (https://avogadro.cc/). Build amines and visualize their N pyramidalization, pKaH (using built-in tools), and protonation behavior at various pH.

  • MarvinSketch / MarvinView (ChemAxon, free for academic use): predict pKaH from structure for any amine; very useful for drug design exploration.

  • PubChem — look up: morphine (CID 5288826), caffeine (CID 2519), nicotine (CID 89594), quinine (CID 8549), atropine (CID 174174), strychnine (CID 441071).

Online resources

  • Master Organic Chemistry, "Amines" series (https://www.masterorganicchemistry.com/). Free, undergraduate-level explanations of amine basicity, nucleophilicity, and reactions.

  • Organic Chemistry Portal (https://www.organic-chemistry.org/). Searchable reaction database including all major amine syntheses.

For practice problems

Mathematically inclined readers

  • Tehan, B. G., et al. (2002). "Estimation of pKa using semi-empirical molecular orbital methods." Quantitative Structure-Activity Relationships 21(3), 283–289. Computational pKa prediction.

  • Eckert, F., and Klamt, A. (2002). COSMO-RS: a method for predicting amine pKa from quantum chemistry. AIChE Journal 48(2), 369–385.

Notes on this chapter's pedagogy

Chapter 30 caps the carbonyl-related chemistry of Part VI with the most prevalent functional group in drugs: the amine. The chapter unifies several different reaction types (SN2 alkylation, imine/enamine formation, amide formation, aza-Michael, diazonium chemistry) under the umbrella of "what nitrogen does." The reactions of amines as Brønsted bases and as Lewis nucleophiles are presented as two faces of the same chemistry.

The biological connections (neurotransmitters, alkaloids, drug design) are at the heart of pharmacology, making this chapter the bridge from "pure organic chemistry" to "applied chemistry of biology."

After Chapter 30, students should have a complete understanding of: - All three carbonyl reactivity families (Chs 24–29). - Amine chemistry (Ch 30). - The synthesis tools to make complex amine-containing molecules.

Chapter 31 (Synthesis Workshop 2) brings these together for retrosynthetic analysis of complex drug-like targets.