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Chapter 27: Q13P (page 1194)

Draw a short segment of the polymer formed from cationic polymerization of 3,3-dimethyloxacyclobutane.

Short Answer

Expert verified

The mechanism for cationic polymerization is given below.

Step by step solution

01

Cationic polymerization

Cationic polymerization constitutes the polymerization where the electrophile functions as the initiator and incorporates the monomer leading to the creation of a carbocation. The initiator frequently used in this reaction is BF3.

02

Short segment of the polymer formed from cationic polymerization of 3,3-dimethyloxacyclobutane

The initiator used for this polymerization is BF3, and in the polymerization, the electrophile adds to the sp2 carbon connected to most hydrogens. The ability to undergo cationic polymerization will depend on the stability of carbocation.

The presence of an electron releasing group in the compound increase the carbocation stability.

3,3-dimethyloxacyclobutane undergoes a cationic mechanism as shown below.

Cationic polymerization of 3,3-dimethyloxacyclobutane

The short segment of the polymer generated from cationic polymerization of 3,3-dimethyloxacyclobutane is shown above.

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