An extremely active catalyst for the Negishi cross-coupling reaction.
摘要：
A new catalyst system for the Pd-catalyzed cross-coupling of organozinc reagents with aryl halides (Negishi coupling) has been developed. This system permits efficient preparation of hindered biaryls (tri- and tetra-ortho-substituted), functions effectively at low levels of catalyst, and tolerates a wide range of functional groups and heterocyclic substrates. A systematic study of ligand structure was performed and was correlated with catalyst activity.
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关键词：
DIRECTED ORTHO-METALATION ARYL CHLORIDES BOND FORMATION PHOSPHINE-LIGANDS SUZUKI-MIYAURA AMINATION BIARYLS ROUTE
DOI：
10.1002/chin.200506095
被引量：
年份：
2004
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