PHOSPHONIUM COMPOUND AND PRODUCTION METHOD THEREFOR
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United States of America Patent
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Mar 30, 2015
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Nov 5, 2014
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The present invention provides a phosphonium compound of formula (II). Also provided is a method for producing a quaternary phosphonium compound labeled with a positron emitting radionuclide, the method comprising the step of reacting an electrophile of formula (I): X1-CH2-A1 with triphenylphosphine having one or more radionuclide-labeled substituents on the benzene ring to give a quaternary phosphonium salt.
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