Show how you would accomplish the following transformations. Some of these examples require more than one step.

Question:

Show how you would accomplish the following transformations. Some of these examples require more than one step.
(a) 2-methylpropene → 2, 2-dimethyloxirane
(b) 1-phenylethanol → 2-phenyloxirane
(c) 5-chloropent-1-ene → tetrahydropyran
(d) 5-chloropent-1-ene → 2-methyltetrahydrofuran
(e) 2-chlorohexan-1-ol → 1, 2-epoxyhexane