Explain why, when propylene oxide undergoes anionic polymerization, nucleophilic attack occurs at the less substituted carbon of the epoxide, but when it undergoes cationic polymerization, nucleophilic attack occurs at the more substituted carbon.

Explain why, when propylene oxide undergoes anionic polymerization, nucleophilic attack occurs at the less substituted carbon of the epoxide, but when it undergoes cationic polymerization, nucleophilic attack occurs at the more substituted carbon.

Chemistry for Today: General, Organic, and Biochemistry

9th Edition

ISBN:9781305960060

Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Chapter12: Unsaturated Hydrocarbons

Section: Chapter Questions

Problem 12.35E

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Types of Polymers on the basis of Method of Preparation

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Definition Definition Special class of cyclic ethers (R-O-R') with a three-atom ring. Epoxides are an important functional group in organic chemistry as they generate reactive centers due to their unusual high reactivity. This high reactivity make epoxides toxic and mutagenic.

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