ABSTRACT: Glyphosate is the herbicide with the greatest participation in the world market, and it has been used intensively in agriculture for over 30 years, especially because of its relatively low cost and high effectiveness on different species. This study describes a synthesis method of glyphosate in the form of the isopropylamine salt enriched in the stable nitrogen isotope ( 15 N). The 15 N-herbicide synthesis was performed using a phosphomethylation reaction with dialkyl phosphite and 15 N-glycine. The…
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