Synthesis of 6-aryl-6-alkyl fulvenes, 6-aryl-6-alkenyl fulvenes, and related compounds
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United States of America Patent
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Sep 2, 2008
Grant Date -
Dec 29, 2005
app pub date -
Jun 25, 2004
filing date -
Jun 25, 2004
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Abstract
The present invention provides a method of making fulvenes, particularly 6-aryl-6-alkylfulvenes, 6-aryl-6-alkenylfulvenes, and related compounds, by combining alkyl- or alkenyl-arylketones with magnesium cyclopentadienyl reagents in nonprotic, including ethereal, solvents. The use of these compounds in preparing bis(cyclopentadienyl)methanes and related compounds, and ansa-metallocenes, is disclosed.
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