Iron-catalysed Suzuki coupling? A cautionary tale
Iron-catalysed Suzuki coupling? A cautionary tale
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DOI:
10.1016/j.tetlet.2009.08.022
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发表时间:
2009-11-11
影响因子:
1.8
通讯作者:
Okopie, Rukeme A.
中科院分区:
文献类型:
--
作者:
Bedford, Robin B.;Nakamura, Masaharu;Okopie, Rukeme A.
In our hands, Fe(II) or (III) pyridine complexes show no activity in Suzuki biaryl cross-coupling reactions, except in one irreproducible instance when complete conversion was observed. A comparison with palladium acetate under the same conditions showed that complete conversion can be obtained in a S:C ratio of 1,000,000:1 and therefore extreme caution must be exercised to prevent 'false-positives' arising from trace Pd-contaminants. (C) 2009 Elsevier Ltd. All rights reserved.