Provide a retrosynthetic analysis and synthesis for each of the following compounds. Permitted starting materials are phenylmagnesium bromide, oxirane, formaldehyde, and alcohols or esters of four carbon atoms or fewer. You may use any inorganic reagents and oxidizing conditions such as Swern oxidation or pyridinium chlorochromate (PCC).
(a)

(b)

(c)

(d)

Transcribed Image Text:

он OH OH