Axially asymmetric ester compound and production method thereof
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United States of America Patent
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Sep 6, 2011
Grant Date -
Dec 3, 2009
app pub date -
Jun 1, 2009
filing date -
Jun 2, 2008
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Expired
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Abstract
To provide an axially asymmetric optically active biaryl ester compound that can easily produced without the step of optical resolution which was almost indispensable in conventional methods. There is provided a method for producing an axially asymmetric ester compound, comprising a cycloaddition of a compound having a triple bond with the use of a catalyst containing rhodium metal and an optically active bisphosphine.
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