Acylal

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The structure of a typical acylal.
The structure of a typical acylal.

Acylals in organic chemistry are a group of chemical compounds sharing a functional group with the general structure R-C(OOCR)2. Acylals can be obtained by reaction of aldehydes with acetic anhydride 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.

  • ^  A mild and efficient method for the chemoselective synthesis of acylals from aromatic aldehydes and their deprotections catalyzed by sulfated zirconia Guillermo E. Negrón,; Laura N. Palacios; Deyanira Angeles; Leticia Lomas; Rubén Gaviño J. Braz. Chem. Soc. vol.16 no.3a São Paulo May/June 2005 Article
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