General and Efficient Catalytic Amination of Aryl Chlorides Using a Palladium/Bulky Nucleophilic Carbene System
Jinkun Huang, Gabriella Grasa and Steven P. Nolan
*Department of Chemistry, University of New Orleans, New Orleans, Louisiana 70148,
Email: steven.nolanugent.be
J. Huang, G. Grasa, S. P. Nolan, Org. Lett., 1999, 1, 1307-1309.
DOI: 10.1021/ol990987d
Abstract
A combination of palladium and the imidazolium salt IPrHCl (IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) has been used as catalyst precursor in the amination of aryl chlorides. This system proves general and efficient for aryl chlorides as well as aryl bromides and iodides.
see article for more examples
IPr
G. A. Grasa, M. S. Viciu, J. Huang, S. P. Nolan, J. Org. Chem., 2001, 66, 7714-7722.
N. Marion, E. C. Ecarnot, O. Navarro, D. Amoroso, A. Bell, S. P. Nolan, J. Org. Chem., 2006, 71, 3816-3821.
N. Marion, O. Navarro, J. Mei, E. D. Stevens, N. M. Scott, S. P. Nolan, J. Am. Chem. Soc., 2006, 128, 4101-4111.
O. Navarro, H. Kaur, P. Mahjoor, S. P. Nolan, J. Org. Chem., 2004, 69, 3173-3180.
Key Words
Buchwald-Hartwig coupling, arylamines
ID: J54-Y1999