The names of reagents and equations for the preparation of the ethers by Williamson's synthesis are given above.

$\underset{\mathrm{Sodium} \mathrm{propoxide}}{{\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CHONa}}+\underset{1-\mathrm{Bromopropane}}{{\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{Br}}⟶\underset{1-\mathrm{propoxypropane}}{{\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{CH}}_2-\mathrm{O}-{\mathrm{CH}}_2{\mathrm{C}}_2{\mathrm{H}}_5+\mathrm{NaBr}}$

$\underset{\mathrm{Sodium} \mathrm{ethoxide}}{{\mathrm{CH}}_3{\mathrm{CH}}_2-\mathrm{ONa}}+\underset{\mathrm{Bromomethane}}{{\mathrm{CH}}_3-\mathrm{Br}⟶}\underset{1-\mathrm{Methoxyethane}}{{\mathrm{CH}}_3{\mathrm{CH}}_2-\mathrm{O}-{\mathrm{CH}}_3+\mathrm{NaBr}}$