MSc. Sebastian Bernhardt, Dr. Georg Manolikakes, MSc. Thomas Kunz and Prof. Dr. Paul Knochel Preparation of Solid Salt-Stabilized Functionalized Organozinc Compounds and their Application to Cross-Coupling and Carbonyl Addition Reactions Angewandte Chemie International Edition 50
Powdered organozinc reagents: Various aryl and heteroaryl bromides as well as benzylic chlorides react with Mg and Zn(OPiv)2⋅2 LiCl (OPiv=pivalate) to provide solid organozinc reagents after solvent evaporation. These powders can be stored at room temperature under argon for months and can be manipulated in air for a short time. They undergo smooth Negishi cross-coupling and carbonyl addition reactions (see scheme).
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