The Beckmannrearrangement of oximesulfonates by Grignard reagents provides an efficient and general entry to α-alkyl- and α,α-dialkylamines in good yields.
Direct α-C–H bondfunctionalization of unprotected cyclic amines Direct α-C–H bondfunctionalization of unprotected cyclic amines, Published online: 06 November 2017; doi:10.1038/nchem.2871NatureArticleSnippet(type=short-summary, markup= Cyclic amines bearing α-substituents are valuable building blocks for drug discovery and natural product synthesis. Introduction of α-substituents via site-selective