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Solketal is a protected form of glycerol with an isopropylidene group bound to two neighbouring hydroxyl groups. Solketal contains a chiral center on the center carbon of the glycerol backbone, and so can be purchased as either the racemate or as one of the two enantiomers. Solketal has been used extensively in the synthesis of mono-, di- and triglycerides by ester bond formation. The free hydroxyl groupd of solketal can be esterified with a carboxylic aicd to form the protected monoglyceride, where the isopropylene group can then be removed using an acid catalyst in aqueous or alcoholic medium. The unprotected diol can then be esterified further to form either the di- or triglceride.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Solketal". A list of authors is available in Wikipedia.|