학술논문

Charge-Tagged Acetate Ligands As Mass Spectrometry Probes for Metal Complexes Investigations: Applications in Suzuki and Heck Phosphine-Free Reactions.
Document Type
Article
Source
Journal of Organic Chemistry. 12/16/2011, Vol. 76 Issue 24, p10140-10147. 4p.
Subject
*ACETATES
*MASS spectrometry
*METAL complexes
*HECK reaction
*SUZUKI reaction
Language
ISSN
0022-3263
Abstract
An acetate anion bearing an imidazolium cation as its charge tag was reacted with M(OAc) 2 complexes (where M = Ni, Cu, and Pd; in situ reaction) to form members of a new class of charge-tagged metal complexes. The formation of these unprecedented precatalysts with potential for cross-coupling reactions was confirmed by electrospray ionization (and tandem) mass spectrometry. The catalytic performance of the palladium complex was tested in Heck and Suzuki cross-coupling reactions, often with superior activity and yields as compared with Pd(OAc) 2. [ABSTRACT FROM AUTHOR]