Process for production of biphenyl derivatives
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United States of America Patent
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Feb 22, 2011
Grant Date -
Dec 25, 2008
app pub date -
Oct 25, 2006
filing date -
Nov 4, 2005
priority date (Note) -
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Abstract
A process for producing biphenyl derivatives represented by formula (1), including reacting a chlorine atom of a benzene derivative represented by formula (2) with metallic magnesium to form a Grignard reagent, and coupling two molecules of the Grignard reagent with each other in the presence of a catalyst.(wherein A represents at least one member selected from the group consisting of trifluoromethyl and fluoro, and n is an integer of 1 to 4.)(wherein A represents at least one member selected from the group consisting of trifluoromethyl and fluoro, and n is an integer of 1 to 4.)
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