Suzuki-Miyaura Coupling of Aryl Tosylates Catalyzed by an Array of Indolyl Phosphine-Palladium Catalysts
Chau Ming So, Chak Po Lau, Albert S. C. Chan and Fuk Yee Kwong*
*Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong, Email: bcfykinet.polyu.edu.hk
C. M. So, C. P. Lau, A. S. C. Chan, F. Y. Kwong, J. Org. Chem., 2008, 73, 7731-7734.
DOI: 10.1021/jo8014819 (free Supporting Information)
A family of indolyl phosphine ligands was applied to Suzuki-Miyaura cross-coupling of aryl tosylates with boronic acids, trifluoroborate salts, and boronate esters. Catalyst loading can be reduced to 0.2 mol % for the coupling of nonactivated aryl tosylates.
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W. K. Chow, C. M. So, C. P. Lau, F. Y. Kwong, J. Org. Chem., 2010, 75, 5109-5112.
C. M. So, C. P. Lau, F. Y. Kwong, Org. Lett., 2007, 9, 2795-2798.