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Radical turn to organocatalysis: Aminocatalysis has developed into a versatile tool for the stereoselective functionalization of carbonyl species. In the search for new organocatalytic transformations, attention has been focused on radicals to expand the scope of aminocatalysis. The successful application of the SOMO(singly occupied molecular orbital)-enamine activation has led to a number of novel transformations.
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Bertelsen et al. (2007) studied this question.
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