Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 20, 2011
Patent Application Number
12749138
Date Filed
March 29, 2010
Patent Primary Examiner
Patent abstract
The present invention provides a method of preparing a 4-(arylmethyl)amino-1H-imidazo(4,5-c)quinoline of formula (4) by reacting an arylmethylamine of formula (3) with a 4-chloro-1H-imidazo(4,5-c)quinoline of formula (2). The present invention further provides a method of preparing an acid addition salt of formula (5) comprising the step of hydrolyzing a 4-(arylmethyl)amino-1H-imidazo(4,5-c)quinoline of formula (4) with a strong acid, HX. The present invention further provides a method of preparing a 4-amino-1H-imidazo(4,5-c)quinoline of formula (1) comprising the step of treating an acid addition salt of formula (5) with a base.
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