Abstract
AbstractPyrrolidines are significant N‐heterocycles in medicinal chemistry and are among the top ten ring systems found in drug molecules. While simple derivatives are commercially available, densely decorated derivatives with precise stereochemical arrangements remain difficult to obtain. Methods for synthesizing multisubstituted pyrrolidines with nonadjacent stereocenters are particularly scarce. To bridge this gap, we report the stereoselective synthesis of remotely decorated, trisubstituted β‐prolines via Rh‐catalyzed C−H amination. The transformation proceeds well in the presence of various functionalities with exclusive anti‐selectivity. Carboxylic acids in the products serve as gateways for diverse downstream transformations. Furthermore, the combined experimental and computational study sheds lights on the origin of high diastereoselectivity.
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