Results 121 to 130 of about 913 (170)
Challenges and opportunities in the selective degradation of organophosphorus herbicide glyphosate. [PDF]
iScienceJin L, Huang Y, Ye L, Huang D, Liu X.
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Comparing the Effects of Glyphosate and Mycotoxins in the Human Follicular Microenvironment: An Exploratory Exposome Study. [PDF]
BiomedicinesSzentirmay A +13 more
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Aminomethylphosphonic Acid Accumulation in Plant Species Treated with Glyphosate
Journal of Agricultural and Food Chemistry, 2008Aminomethylphosphonic acid (AMPA) is the most frequently detected metabolite of glyphosate in plants. The objective of this study was to determine if there is any correlation of metabolism of glyphosate to AMPA in different plant species and their natural level of resistance to glyphosate. Greenhouse studies were conducted to determine the glyphosate I
Vijay Nandula +2 more
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Degradation and Isotope Source Tracking of Glyphosate and Aminomethylphosphonic Acid
Journal of Agricultural and Food Chemistry, 2016Glyphosate [N-(phosphonomethyl) glycine], an active ingredient of the herbicide Roundup, and its main metabolite, aminomethylphosphonic acid (AMPA), have been frequently reported to be present in soils and other environments and thus have heightened public concerns on their potential adverse effects.
Deb Jaisi, Sunendra Joshi
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FORMATION OF AMINOMETHYLPHOSPHONIC ACIDS AND MONOESTERS FROM AMINOMETHYLPHOSPHONATES
Phosphorus, Sulfur, and Silicon and the Related Elements, 1998Abstract Correcting a previous preliminary communication, the reaction between diethyl N-benzoyl α-aminomethylphosphonate and PCl5, is shown to afford the corresponding aminomethylphosphonic acids and monoesters instead of the previous mentioned oxazaphospholene.
Henri-Jean Cristau +2 more
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Charge density distribution in aminomethylphosphonic acid
Acta Crystallographica Section B Structural Science, 2010The experimental charge density distribution in aminomethylphosphonic acid has been determined from X-ray diffraction and its topological features have been analyzed. The results have shown that the P—O bonds are highly polarized, moreover the P—OH bond is weaker than the bonds to unprotonated O atoms.
Rafał, Janicki +1 more
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A Convenient Synthesis of Aminomethylphosphonic Acid
Synthetic Communications, 1986Abstract A novel procedure for the preparation of aminometnylphosphonic acid (AMPA) is described. This compound. which has been shown to have some biological activity, is synthesized by treating N-hydroxymethylbenzamide with a mixture of phosphorous trichloride and trimethyl phosphite, followed by hydrolysis of the ester intermediate.
Mitchell J. Pulwer, Terry M. Matthazor
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Glyphosate and aminomethylphosphonic acid (AMPA) residues in Brazilian honey
Food Additives & Contaminants: Part B, 2020Glyphosate (GLY) is the most widely used herbicide in the world and studies have shown that its exposure at sublethal doses has led to reduced sensitivity and decreased associative memory in bees. Thus, a high-performance liquid chromatography-fluorescence detector with derivatisation reaction was used to determine residues of GLY and ...
Ana Paula Ferreira de Souza +2 more
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Certain derivatives of aminomethylphosphonic acid
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 19551. Experiments on the acylatlon of aminomethylphosphonic acid show that it proceeds with greater difficulty than the acylation of glycine. Acetamidomethyl-, (chloroacetamido)methyl-, and phthalimidamethyl-phosphonic acids have been prepared. 2. The methylation of aminomethylphosphonic acid has been effected by means of methyl iodide in a
M. I. Kabachnik, T. Ya. Medved
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A One-Step Synthesis of Aminomethylphosphonic Acid
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 1982Abstract Aminomethylphosphonic acid is prepared by the one-step electrochemical oxidation of nitrilotrimethylene triphosphonic acid in water.
J. H. Wagenknecht +3 more
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