Acylal

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File:Acylal.PNG
The structure of a typical acylal.

Acylals in organic chemistry are a group of chemical compounds sharing a functional group with the general structure RCH(OOCR)2. Acylals are obtained by reaction of carbonyls with acetic anhydride or other acid anhydrides and a suitable catalyst, for instance with sulfated zirconia[1] at low temperatures when used as protective groups for aldehydes. High temperature exposure converts the acylal back to the aldehyde.

References

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