US Patent 7528254 Process for preparing montelukast and salts thereof
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Patent Inventor Names
Joseph Kaspi0
Michael Brand0
Moty Shookrun0
Oded Arad0
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Patent abstract
The present invention provides a process for preparing highly pure montelukast and salts thereof by reacting the side-chain precursor 1-(mercaptomethyl)-cyclopropaneacetic acid with 2-(2-(3S)-(3-(7-chloro-2-quinolinyl)-ethenyl)phenyl)-3-(methanesulfonyloxypropyl)phenyl-2-propanol in a solvent mixture containing a base.
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US Patent 07528254 Process for preparing montelukast and salts thereof US Patent 7528254 Process for preparing montelukast and salts thereof
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Patent Number
075282540
Patent Number
75282540
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Patent Jurisdiction
Patent Number
075282540
Date of Patent
May 5, 2009
0Patent Application Number
117110420
Date Filed
February 27, 2007
0Official Website
Patent Primary Examiner
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US Patent 07528254 Process for preparing montelukast and salts thereof
Infobox
Is a
Patent jurisdiction
Patent number
07528254
Date of patent
May 5, 2009
Patent application number
11711042
Date Filed
February 27, 2007
Patent primary examiner
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