Title: Diels-Alder reactions with pyridine o-quinodimethanes generated from pyridine sulfolenes
Authors: Cappelle, SL ×
Vogels, IA
Govaerts, TC
Toppet, SA
Compernolle, Frans
Hoornaert, GJ #
Issue Date: Jan-2002
Publisher: Pergamon-elsevier science ltd
Series Title: Tetrahedron vol:58 issue:19 pages:3655-3666
Abstract: An efficient route has been developed for the synthesis of polysubstituted 6,6-dioxo-6,7-dihydrothieno[3,4-b]pyridines 3, which serve as excellent precursors for generation of the corresponding pyridine o-quinodimethanes. Following thermal extrusion of sulfur dioxide, these reactive species can be trapped in situ with electron rich, neutral, and electron deficient dienophiles. The regio and stereochemical structure of the resulting adducts was determined by NMR analysis. (C) 2002 Elsevier Science Ltd. All rights reserved.
ISSN: 0040-4020
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Design and Synthesis
× corresponding author
# (joint) last author

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