Stille coupling reactions catalysed by a polymer supported palladium complex |
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| Institution: | 1. Dipartimento di Ingegneria delle Acque e di Chimica del Politecnico di Bari and CNR centre ICCOM (section of Bari), Via Orabona, 4 I-70125 Bari, Italy;2. Dipartimento di Chimica e Ingegneria Chimica dell’Università degli Studi dell’Aquila, Località Monteluco di Roio, 67040 L’Aquila, Italy;1. Chemical Sciences Division, National Institute of Standards & Technology (NIST), 100 Bureau Drive, Mail Stop 8392, Gaithersburg, MD 20899, USA;2. Department of Chemistry & Biochemistry, Florida State University, Tallahassee, FL 32306, USA;1. Department of Organic Chemistry, University of Chemistry and Technology Prague (UCTP), Technická 5, 166 28 Prague 6, Czech Republic;2. Department of Solid State Chemistry, UCTP, Technická 5, 166 28 Prague 6, Czech Republic;3. Laboratory of NMR Spectroscopy, UCTP, Technická 5, 166 28 Prague 6, Czech Republic;1. Department of Chemical Enginnering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan (ROC);2. Department of Biochemistry, College of Medicine, Taipei Medical University, No. 250, Wu-xing Street, Taipei 110, Taiwan (ROC) |
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| Abstract: | The coupling between aryl iodides and bromides with organostannanes (Stille reaction) has been investigated in the presence of a polymer supported palladium catalyst. The reaction could be performed in air without any activating ligand and with non-dried solvents. The catalyst, which acts by releasing controlled amounts of soluble active species, could be recycled several times in the coupling between Sn(CH3)4 or nBu3SnPh with iodoarenes or activated bromoarenes. |
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