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Transesterification
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==Mechanism== In the transesterification mechanism, the carbonyl carbon of the starting ester reacts to give a [[Tetrahedral molecular geometry|tetrahedral]] intermediate, which either reverts back to the starting material, or proceeds to the transesterified product (RCOOR<sup>2</sup>). The various species exist in equilibrium, and the product distribution depends on the relative energies of the reactant and product. Depending on reaction conditions [[ester hydrolysis]] and/or [[esterification]] will also occur, which results in some amount of free carboxylic acid being present. :[[File:General transesterification mechanism.png|500px]]
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