[1,2]-Rearrangement of iminium salts provides access to heterocycles with adamantane scaffold
作者:Benjamin Zonker、Ediz Duman、Heike Hausmann、Jonathan Becker、Radim Hrdina
DOI:10.1039/d0ob01156h
日期:——
We describe a Brønsted acid-catalysed cascade reaction consisting of a Wagner–Meerwein rearrangement and a subsequent intra- or intermolecular Friedel–Crafts reaction leading to adamantane-based heterocycles. In contrast to the reported W.–M. rearrangements, in this case an iminium moiety serves as the acceptor of a migrating nucleophilic alkyl group in a [1,2]-alkyl shift.
我们描述了由Wagner-Meerwein重排和随后的分子内或分子间Friedel-Crafts反应组成的布朗斯台德酸催化的级联反应,该反应导致金刚烷基杂环。与报告的W.–M相反。重排,在这种情况下,亚胺基部分充当[1,2]-烷基移位中迁移的亲核烷基的受体。