Process for preparing 5,7 diaminopyrazolo [1,5-A] pyrimidine compounds
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United States of America Patent
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Aug 13, 2013
Grant Date -
Feb 16, 2012
app pub date -
Jun 9, 2011
filing date -
Dec 11, 2008
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Abstract
Processes for the preparation of certain 5,7-diaminopyrazolo[1,5-α]pyrimidine compounds comprising the reaction of a primary or secondary amine and a protected 5-halo-7-aminopyrazolo[1,5-α]pyrimidine compound in solvent system comprising water and one or more organic solvents, optionally in the presence of an exogenous base.
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