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Synfacts 2010(8): 0963-0963
DOI: 10.1055/s-0030-1257787
DOI: 10.1055/s-0030-1257787
Polymer-Supported Synthesis
© Georg Thieme Verlag
Stuttgart ˙ New York
Ligand-Free Ullmann Arylation of Indole Using PEG3400-Cu2O-Cs2CO3
E. Colacino, L. Villebrun, J. Martinez, F. Lamaty*
Université de Montpellier II, France
Weitere Informationen
Publikationsverlauf
Publikationsdatum:
22. Juli 2010 (online)
Significance
The ligand-free Ullmann arylation of indole with aryl halides was performed with a PEG3400-Cu2O-Cs2CO3 system. The coupling reaction was carried out in a high molecular weight PEG matrix as a solvent. The catalytic composite PEG3400-Cu2O-Cs2CO3 was recovered by precipitation with Et2O.