Clean generation of a perfluoroaryl grignard reagent
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United States of America Patent
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Oct 10, 2000
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N/A
app pub date -
Dec 18, 1998
filing date -
Dec 18, 1998
priority date (Note) -
Expired
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Abstract
Perfluoroaryl Grignard reagents are produced from a hydrocarbyl Grignard reagent and polyhaloaromatic compounds via separate additions of different polyhaloaromatic compounds, such that the conversion of hydrocarbyl Grignard reagent to the desired perfluoroaryl Grignard reagent is essentially complete, and thus the reaction product is free or essentially free of agents that may negatively affect subsequent reactions. The perfluoroaryl Grignard reagents may be further reacted with boron trihalides in order to obtain tris(perfluoroaryl)boranes or tetrakis(perfluoroaryl)borates.
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