Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 13, 2009
0Patent Application Number
115617240
Date Filed
November 20, 2006
0Patent Primary Examiner
Patent abstract
The reaction of methylmagnesium halide is improved by the presence of a cerium (III) salt such as cerium trichloride. The reactions are typically associated with the production of montelukast, a pharmaceutically useful compound of the following formula
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