Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John C. Roberts0
Malcolm Berry0
Shiping Xie0
Date of Patent
November 20, 2007
0Patent Application Number
104716820
Date Filed
March 19, 2002
0Patent Primary Examiner
Patent abstract
An improved process for preparing N6 -substituted aminopurine ribofuranose nucleosides. Compounds of this type are known to be usefull in the prepartation of compounds having activitity at adenosine receptors, e.g. Adenosine A1 receptor. The process comprises the step of reacting a 6-halopurine ribofuranose nucleoside with an amine in the presence of CaCO3 , wherein acid is added to the reaction mixture.
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