ArticleAngewandte Chemie (International ed. in English)2022
Evolution of the Dearomative Functionalization of Activated Quinolines and Isoquinolines: Expansion of the Electrophile Scope.
Article in Angewandte Chemie (International ed. in English), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Dearomative Cyclization of Ynamides toward the Formation of Fused Diazabicycles.Organic letters · 2025Article
- Vistas in the domain of 3-acetyl-4-hydroxy-2-quinolinone derivatives (AHQ) and their applications.RSC advances · 2025Review
- Oxidative Rearomatization of Tetrahydroisoquinolines Promoted by Pyridine-Organic letters · 2024Article
- Recent Strategies in the Nucleophilic Dearomatization of Pyridines, Quinolines, and Isoquinolines.Chemical reviews · 2024Review
- Metal and Activating Group Free C-4 Alkylation of Isoquinolines via a Temporary Dearomatization Strategy.Organic letters · 2023Article
- Recent advances in the dearomative functionalisation of heteroarenes.Chemical science · 2022Review
- Evolution of the Dearomative Functionalization of Activated Quinolines and Isoquinolines: Expansion of the Electrophile Scope.Angewandte Chemie (Weinheim an der Bergstrasse, Germany) · 2022Article
- Evolution of the Dearomative Functionalization of Activated Quinolines and Isoquinolines: Expansion of the Electrophile Scope.Angewandte Chemie (International ed. in English) · 2022Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
Herein we disclose a mild protocol for the reductive functionalisation of quinolinium and isoquinolinium salts. The reaction proceeds under transition-metal-free conditions as well as under rhodium catalysis with very low catalyst loadings (0.01 mol %) and uses inexpensive formic acid as the terminal reductant. A wide range of electrophiles, including enones, imides, unsaturated esters and sulfones, β-nitro styrenes and aldehydes are intercepted by the in situ formed enamine species forming a large variety of substituted tetrahydro(iso)quinolines. Electrophiles are incorporated at the C-3 and C-4 position for quinolines and isoquinolines respectively, providing access to substitution patterns which are not favoured in electrophilic or nucleophilic aromatic substitution. Finally, this reactivity was exploited to facilitate three types of annulation reactions, giving rise to complex polycyclic products of a formal [3+3] or [4+2] cycloaddition.
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