Preparation of Solid Salt-Stabilized Functionalized Organozinc Compounds and their Application to Cross-Coupling and Carbonyl Addition Reactions
摘要:
Powdered organozinc reagents: Various aryl and heteroaryl bromides as well as benzylic chlorides react with Mg and Zn(OPiv)22LiCl (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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DOI:
10.1002/anie.201104291
被引量:
年份:
2011
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