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Chemistry LibreTexts

Acetal

An acetal is a compound that has the following general structural formula.

  • R1 = H, alkylaryl
  • R2, R3 = alkyl (In most acetals, R2 = R3.)

eg:

acetal2.png

The functional group 1 in an organic molecule is called the acetal group; the carbon atom bearing the two oxygen atoms is the acetal carbon.

 

acetal3.png