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Chemistry LibreTexts

8: Alkenes- Reactions and Synthesis

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  • Learning Objectives

    After you have completed Chapter 8, you should be able to

    1. fulfill all of the detailed objectives listed under each section.
    2. design a relatively simple, multistep synthesis using the reactions introduced in this chapter, given the structure, name, or both, of the starting material and product. For example, show how you would convert 1-bromobutane to

      butanediol structure

    3. deduce the structures of a number of compounds involved in a certain reaction sequence, given sufficient information. In other words, solve so-called road-map problems.
    4. define, and use in context, the key terms introduced in this chapter.

    As you have seen, addition reactions dominate the chemistry of alkenes. This chapter shows how a variety of reagents can add to alkenes; how hydrogen bromide can be made to add to alkenes in a non-Markovnikov manner; and how alkene molecules can be cleaved into easily identifiable parts. First, you will examine the preparation of alkenes by elimination reactions.

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