MICROWAVE-ASSISTED SYNTHESIS OF N-HETEROCYCLIC CARBENE TRANSITION METAL COMPLEXES
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United States of America Patent
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Issued Date -
May 23, 2013
app pub date -
Dec 7, 2010
filing date -
Dec 7, 2009
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Abandoned
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Abstract
Microwave heating is used to synthesize NHC-transition metal complexes. Reaction times for the formation of NHC-transition metal complexes is greatly reduced. The speed of the reactions allows for otherwise problematic air handling of reagents. Apparatus for carrying out the reactions is less complex than conventional apparatus and requires less energy to achieve the desired temperatures. Methods utilize salts of NHC's which overcomes the oftentimes difficult preparation of free carbenes for formation of the corresponding transition metal complexes.
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