US Patent 7294740 Process for the synthesis of N-acyl-2-amino-4-alkoxy-5-nitrobenzoic acids
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Patent Inventor Names
Augustine Tobi Osuma0
Michel Bernatchez0
Scott Mason Duncan0
Sylvain Daigneault0
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Patent abstract
The invention claimed herein provides a process to oxidize N-(5-alkoxy-2-methyl-4-nitrophenyl)acetamides to N-acyl-2-amino-4-alkoxy-5-nitrobenzoic acids using potassium permanganate in the presence of magnesium sulfate in aqueous sulfolane or aqueous pyridine.
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US Patent 07294740 Process for the synthesis of N-acyl-2-amino-4-alkoxy-5-nitrobenzoic acids US Patent 7294740 Process for the synthesis of N-acyl-2-amino-4-alkoxy-5-nitrobenzoic acids
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Patent Number
07294740
Patent Number
7294740
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Official Website
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US Patent 07294740 Process for the synthesis of N-acyl-2-amino-4-alkoxy-5-nitrobenzoic acids
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Patent jurisdiction
Patent number
07294740
Date of patent
November 13, 2007
Patent application number
11804509
Date Filed
May 18, 2007
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