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-- The first two chapters of the Part-I cover a variety of topics that you need to get started with your study of organic chemistry.
-- Chapters 3 through 9 of part-II cover the reactions of hydrocarbons—compounds that contain only carbon and hydrogen. The other two chapters treat topics that are so important to the study of organic reactions that each deserves its own chap- ter. The first of these is stereochemistry and the second is electron delocalization and resonance.
-- Chapters 10,11 & 12 in Part-III discuss the reactions of compounds that have an electron-withdrawing atom or group—a potential leaving group—bonded to an sp3 hybridized carbon. These compounds can undergo substitution and/or elimina- tion reactions.
-- In Chapters 13 and 14 of Part-IV, you will learn about three instrumental techniques that chemists use to identify compounds.
-- Chapters in Part-V deal with aromaticity and the reactions of aromatic compounds. Aromaticity was first intro- duced in Chapter 7, where you saw that benzene, a compound with an unusually large resonance energy, is an aromatic compound. We will now look at the crite- ria that a compound must fulfill in order to be classified as aromatic. Then we will ex- amine the kinds of reactions that aromatic compounds undergo. In Chapter 21, we will return to aromatic compounds when we look at the reactions of aromatic com- pounds in which one of the ring atoms is an atom other than a carbon.
-- The three chapters in Part-VI focus on the reactions of compounds that contain a carbonyl group. Carbonyl compounds can be placed in one of two classes: those that contain a group that can be replaced by an- other group (Class I) and those that do not contain a group that can be replaced by an- other group (Class II).
-- Chapters 22 through 27 in Part-VII discuss the chemistry of organic compounds found in biological systems. Many of these com- pounds are larger than the organic compounds you have seen up to this point, and they may have more than one functional group, but the principles that govern their structure and reactivity are essentially the same as those that govern the structure and reactivity of the com- pounds you have been studying. These chapters, therefore, will give you the op- portunity to review much of the organic chemistry you have learned as you apply your knowledge of organic reactions to compounds found in the biological world.
-- Part-VIII Chapter 28 discusses polymers synthesized by chemists. These synthetic polymers have physical properties that make them useful in everyday life, in applications such as fabrics, bottles, food wrap, automobile parts, and compact discs.
Chapter 29 discusses pericyclic reactions—reactions that occur as a result of a cyclic reorganization of electrons. In this chapter, you will learn how the conservation of orbital symmetry theory explains the relationships among reactant, product, and reaction conditions in a pericyclic reaction.
Chapter 30 introduces you to medicinal chemistry. Here you will see how many of our commonly used drugs were discovered, and you will learn about some of the tech- niques used to develop new drugs.