Article (Scientific journals)
One-pot, Pd/Cu-catalysed synthesis of alkynyl-substituted 3-ylidene-dihydrobenzo[d]isothiazole 1,1-dioxides
Etse, Koffi Senam; Dassoneville, Benjamin; Zaragoza, Guillermo et al.
2017In Tetrahedron Letters, 58 (8), p. 789–793
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Keywords :
Cyclisation; Heterocycles; Isothiazole 1,1-dioxides; Palladium
Abstract :
[en] Enyne-substituted benzoisothiazole derivatives have been synthesised under one-pot, operationally simple conditions using 2-iodo-N-(trimethylsilylethynyl)benzenesulfonamides and terminal alkynes as starting materials and a palladium–copper-based catalytic system. The structure of these heterocycles has been demonstrated by NMR spectroscopy and confirmed by X-ray crystallographic analysis. A plausible reaction mechanism has been proposed.
Research center :
Chimie macromoléculaire et catalyse organique
Disciplines :
Chemistry
Author, co-author :
Etse, Koffi Senam ;  Université de Liège > Département de chimie (sciences) > Département de chimie (sciences)
Dassoneville, Benjamin;  Université de Liège - ULiège > Département de chimie (sciences) > Département de chimie (sciences)
Zaragoza, Guillermo;  Universidade de Santiago de Compostela, Spain > Edificio CACTUS, Campus Vida > Unidade de Difracción de Raios X
Demonceau, Albert ;  Université de Liège - ULiège > Département de chimie (sciences) > Département de chimie (sciences)
Language :
English
Title :
One-pot, Pd/Cu-catalysed synthesis of alkynyl-substituted 3-ylidene-dihydrobenzo[d]isothiazole 1,1-dioxides
Publication date :
22 February 2017
Journal title :
Tetrahedron Letters
ISSN :
0040-4039
Publisher :
Elsevier, Oxford, United Kingdom
Volume :
58
Issue :
8
Pages :
789–793
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 28 July 2017

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