Stabilized pyrrolyl iodonium salts and metal-free oxidative cross-coupling†
Abstract
Pyrrole–aryl derivatives are important due to their unique biological activities in medicinal chemistry. We now report a new oxidative biaryl coupling for pyrroles and indoles toward various arenes using a hypervalent iodine reagent and an appropriate stabilizer for pyrrolyl iodonium intermediates. The reactions readily provide a variety of desired coupling products in good yields.
 
                




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