Functional Group Preparations

Epoxide

Epoxides are cyclic ethers with the ether oxygen in a three-membered ring. They are valuable and reactive synthetic intermediates because of their ring strain. Of the many ways to prepare epoxides, reaction of an alkene with a peroxyacid (also called a peracid) such as peracetic acid (CH₃CO₃H) is most common. This reaction is called epoxidation (Section 8.6B).

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