Methyl propanoate is synthesized primarily through the esterification of propionic acid with methanol using an acid catalyst. It can also be produced by the carboalkoxylation of ethylene with carbon monoxide and methanol, which achieves yields over 95%. What is the structure of methyl propanoate?
A. CH3COCH2CH3
B. CH3COOCH3
C. CH3CH2COOCH3
D. CH3CHOCH2CH3
Click for Explanation
Break down the compound name: methyl indicates CH3, propane indicates a 3-carbon chain, and “oate” indicates an ester linkage. Only choice C) has the correct groups present.
A. CH3COCH2CH3, incorrect, This is a ketone.
B. CH3COOCH3, incorrect, This shows an ester but lacks a 3-carbon propane.
C. CH3CH2COOCH3, correct.
D. CH3CHOCH2CH3, incorrect, This is an ether.
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