Exam 14: Ethers, Epoxides, and Thioethers

Provide the major organic product of the following.

Show the reagents necessary to prepare 1,2-epoxy-1-methylcyclopentane from cyclopentanone.

Provide the major organic product in the reaction below.

Propose a structure for the ether of formula C₄H₁₀O with the following ¹H NMR signals: δ 0.95 (triplet, 3H), 1.52 (multiplet, 2H), 3.30 (singlet, 3H), 3.40 (triplet, 2H) (ppm).

Identify all of the following reagents that could be used to accomplish the following transformation. (More than one answer is possible.)

Propose a structure for the ether of formula C₄H₁₀O with the following ¹H NMR signals: δ 1.20 (triplet, 6H), δ 3.45 (quartet, 4H) (ppm).

Provide the major organic product in the reaction below. CH₃CH₂CH=CH_{2 →}