Method for Producing 4(3H)-Quinazolinone Derivative
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United States of America Patent
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Issued Date -
May 21, 2009
app pub date -
Jul 4, 2006
filing date -
Jul 5, 2005
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Abandoned
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Abstract
This invention is related to a method for producing 3-{4-[3-(1-pyrrolidinyl)propoxy]phenyl}-5-trifluoromethyl-4(3H)-quinazolinone comprising a step for reacting 2-methyl-5-trifluoromethyl-4H-3,1-benzoxazin-4-one with 4-[3-(1-pyrrolidinyl)propoxy]aniline or an acid-addition salt thereof, or 4-(1-cyclobutyl-4-piperidinoy9oxyaniline or acid addition salt thereof in the presence of an acid catalyst.
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