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Highly Regioselective Migration of the Sulfonyl Group: Easy Access to Functionalized Pyrroles

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  • We are grateful to the National Natural Science Foundation of China (21172218) and the National Basic Research Program of China (2010CB833300) for financial support.

Abstract

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Good migrations: The highly regioselective migration of a sulfonyl group for the synthesis of functionalized pyrroles is reported (see scheme; DMF=N,N-dimethylformamide). The migration of the sulfonyl group to different positions can be controlled with high selectivity, thus allowing the formation of both α- and β-(arylsulfonyl)methyl pyrroles with high yields.

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