A facile and efficient method for the preparation of 1,1-diacetates of aldehydes is improved. P2O5/montmorillonite K10 catalyzed 1,1-diacetates formation from aldehydes in dry media. Both aromatic and aliphatic aldehydes gave high yields (70–95%) of the corresponding 1,1-diacetates. Advantages of this method are the use of an inexpensive and selective catalyst, with high yields in simple operation and short reaction time under solvent-free conditions.
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Eshghi et al. (2004) studied this question.
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