Method for the purification of radiolabelled compounds
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United States of America Patent
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Nov 13, 2012
Grant Date -
Dec 17, 2009
app pub date -
Jul 25, 2007
filing date -
Aug 3, 2006
priority date (Note) -
Expired
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Abstract
The invention relates to methods and apparatus for purifying a radiolabelled compound. The method comprises (i) passing a crude reaction mixture comprising the desired radiolabelled compound and one or more contaminants in a solvent through a narrow bore vessel at elevated temperature such that the organic solvent and either the radiolabelled compound or one or more contaminants is vaporised forming a vaporised component, and (ii) collecting the resulting vaporised component by condensing into a collection vessel.
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