New approaches to the synthesis of pyridinium N-heteroarylaminides
Identifiers
Permanent link (URI): http://hdl.handle.net/10017/2691DOI: 10.1016/j.tet.2008.06.024
ISSN: 0040-4020
Publisher
Elsevier
Date
2008Funders
Universidad de Alcalá
Bibliographic citation
Tetrahedron, 2008, v.64, n.34, p.7914-7919
Keywords
Palladium-catalyzed amination
Regioselective synthesis
Radical
Cyclization
Suzuki reaction
Aryl bromides
Inner salts
Aminides
Derivatives
N-(2'-azinyl)aminides
N-2'-Pyridylaminide
Chemistry, Organic
Project
CICYT-BQU2001-1508 (Comisión Interministerial de Ciencia y Tecnología-CICYT)
CTQ2005-08902 (Comisión Interministerial de Ciencia y Tecnología-CICYT)
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Publisher's version
http://dx.doi.org/10.1016/j.tet.2008.06.024Rights
© Elsevier, 2008
Access rights
info:eu-repo/semantics/openAccess
Abstract
Different substituted pyridinium N-heteroarylaminides have been prepared in one step from N-aminopyridinium iodide and the corresponding heteroaryl halide by two alternative routes. The use of Pd catalysis allowed the easy preparation of products from the less reactive haloheterocycles. The use of water as a solvent in conjunction with microwave heating dramatically diminishes the reaction time without having an adverse effect on reaction yields.
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