One Pot Synthesis of Haloacetylenes from Trimethylsilylacetylenes

Abstract
An efficient and convenient method for one step conversion of trimethylsilylacetylenes into haloacetylenes has been developed. This method is sufficiently mild to apply a variety of substrates having many kinds of functional group. The validity of this method is demonstrated in the synthesis of simple model compound of esperamicin/calicheamicin aglycon.

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