Homeopathic ligand-free palladium as a catalyst in the Heck reaction. A comparison with a palladacycle
…, JHM Mommers, HJW Henderickx, JG De Vries
Index: de Vries, Andre H. M.; Mulders, Jan M. C. A.; Mommers, John H. M.; Henderickx, Huub J. W.; de Vries, Johannes G. Organic Letters, 2003 , vol. 5, # 18 p. 3285 - 3288
Full Text: HTML
Citation Number: 467
Abstract
Ligand-free Pd (OAc) 2 can be used as a catalyst in the Heck reaction of aryl bromides as long as the amount of catalyst is kept between 0.01 and 0.1 mol%. At higher concentrations palladium black forms and the reaction stops. The actual catalyst is monomeric. Palladacycles merely serve as a source of ligand-free palladium in Heck reactions of aryl bromides.
Related Articles:
Nickel??Catalyzed Electrochemical Arylation of Activated Olefins
[Condon, Sylvie; Dupre, Daniel; Falgayrac, Gilles; Nedelec, Jean-Yves European Journal of Organic Chemistry, 2002 , # 1 p. 105 - 111]
[Amatore, Muriel; Gosmini, Corinne Synlett, 2009 , # 7 p. 1073 - 1076]
[Berthiol, Florian; Doucet, Henri; Santelli, Maurice Tetrahedron, 2006 , vol. 62, # 18 p. 4372 - 4383]
A Study of the Reaction of OH radical with CO by Time-resolved FTIR Spectroscopy
[Huang, Yixiang; Wang, Pingping; Liu, Jiaqin; Cai, Mingzhong Journal of Chemical Research, 2013 , vol. 37, # 6 p. 333 - 336]
[Cacchi, Sandro; Fabrizi, Giancarlo; Gasparrini, Francesco; Villani, Claudio Synlett, 1999 , # 3 p. 345 - 347]