A novel preparation of 3-methylthio-2-oxopropanal acetals using methylthiomethyl p-tolyl sulfone

Add time:07/14/2019    Source:sciencedirect.com

Treatment of an alkoxyacetyl derivative (3) of methylthiomethyl p-tolyl sulfone (1), easily obtainable from an alkoxyacetic ester and1, with such a base as triethylamine or DABCO affords 3-methylthio-2-oxopropanal acetal (4).

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