Sandmeyer - 28-1-2006 at 11:12
X. Xie, G. Cai, D. Ma, Org. Lett., 2005, 7, 4693-4695.
Abstract:
2-aryl-1,3-dicarbonyl compounds are produced in good yields by a CuI/L-proline-catalyzed arylation of activated methylene compounds with aryl iodides
and aryl bromides in DMSO at 40-50°C in the presence of Cs2CO3.
http://rapidshare.de/files/12038468/ol0518838.pdf.html
Preparative info + proton-NMR spectra:
http://pubs.acs.org/subscribe/journals/orlef7/suppinfo/ol051...
From China with love.
[Edited on 28-1-2006 by Sandmeyer]