期刊
SYNLETT
卷 -, 期 14, 页码 2171-2174出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-2005-872250
关键词
cobalt halide; catalysis; zinc; thiophenes; aromatic chlorides
A new chemical method is described for the preparation of aryl or thienyl zinc intermediates from their corresponding aromatic or thienyl chlorides in a mixture of acetonitrile-pyridine, using cobalt catalysis. This procedure allows for the synthesis of a variety of functionalized arylzinc species from reactive arylchlorides or chlorothiophenes in good to excellent yields. Some of these arylzinc compounds have been coupled with aromatic bromides using palladium catalysis.
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