Method for Producing 4(3H)-Quinazolinone Derivative
申请人:Akao Atsushi
公开号:US20090131664A1
公开(公告)日:2009-05-21
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.
METHOD FOR PRODUCING 4(3H)-QUINAZOLINONE DERIVATIVE
申请人:BANYU PHARMACEUTICAL CO., LTD.
公开号:EP1903040A1
公开(公告)日:2008-03-26
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-piperidiny9oxyaniline or acid addition salt thereof in the presence of an acid catalyst.