Give the products of the reactions of styrene oxide with ${\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{SH}$ followed by bases:

Give the products obtained by treating $1, 2-$epoxypropane (propylene oxide) with the following reagents:

(a) Methanol in the presence of $\mathrm{HCl}$

(b) Methanol

(c) Methanol in the presence of sodium methoxide

Deduce the missing compounds in the following reaction sequences. Show stereochemistry in parts (B) through (D).

Identify the missing compounds in the following reaction sequences. Show stereochemistry in (E) and (F).

Give products of the given reaction.

A is:

What is the hydrolysis product of the given compound? 

A chiral ${\mathrm{C}}_5{\mathrm{H}}_{10}\mathrm{O}$ ether reacts with hot $\mathrm{HI}$ to give ${\mathrm{C}}_5{\mathrm{H}}_{10}{\mathrm{I}}_2$ as the product. Its treatment with hot $\mathrm{KOH}$ in ethanol produces $1, 3-$pentadiene. What is the structure of the original ether?