期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 693, 期 19, 页码 3171-3178出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2008.07.020
关键词
cross-coupling; phosphorus; palladium; heterocycles; aryl halides
资金
- National Institute of General Medical Sciences/NIH [1R01 GM067610]
- TCU-SERC
The palladium-catalyzed cross-coupling of dialkylphosphite with aromatic electrophiles (Hirao coupling) was re-investigated. Some limitations in terms of palladium loadings and substrate reactivity are alleviated with the use of Pd(OAc)(2) complexed to 1,1'-bis(diphenylphosphino) ferrocene (dppf) as a ligand. Various aryl and heteroaryl halides are employed to deliver both known and novel substituted phosphonates. The first examples of aryl chloride couplings are also reported. (C) 2008 Elsevier B.V. All rights reserved.
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