Question

How to convert ethoxy ethane into propanal

Answer 1

Explanation:

You can follow the following route:

CH3CH2-O-CH2CH3 + HI =>

CH3CH2OH + CH3CH2I

CH3CH2OH + HI => CH3CH2I + H2O

CH3CH2I + NaCN => CH3CH2CN + NaI

CH3CH2CN on reduction gives CH3CH2CH2NH2.

CH3CH2CN + Zn/HCl =>CH3CH2CH2NH2 + ZnCl2

CH3CH2CH2NH2 + NaNO2/HCl => CH3CH2CH2OH + NaCl

Edit: Propanol on oxidation gives Propanal. Use pyridinium chlorochromate for the oxidant, so that oxidation stops at the aldehyde stage and does not proceed to the carboxylic acid....

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