51087-03-7Relevant academic research and scientific papers
The benzyl can be selectively removed by visible light or near visible light. Method for protecting allyl and propargyl group
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Paragraph 0033, (2021/10/16)
The invention provides a method for selectively removing benzyl, allyl and propargyl protecting groups by visible light or near visible light, namely a substrate containing benzyl, allyl or propargyl protecting groups. The method has the advantages of simple operation, safe and clean visible light or near visible light as excitation conditions, cheap and easily available reagents, high reaction yield, high reaction chemistry and regional selectivity, and is suitable for selective removal of benzyl, allyl and propargyl protecting groups in various substrates.
Process of preparing substituted pyridine compounds
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, (2008/06/13)
Disclosed herein is a process for cyclizing pyridinecarboxylate derivatives with 5-(haloalkyl) carboxamide or 5(haloalkyl)carbamate substitutions to prepare compounds useful as herbicides.
Substituted 2,6-substituted pyridine herbicides
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, (2008/06/13)
Substituted pyridines having at the 3 or 5 position a carbonyl oxy(thio)ester or a heterocyclocarbonyl and at the other a substituted alkyl group, herbicidal compositions and methods of use thereof.
Substituted 3- or 5-dialkylamino pyridine compounds
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, (2008/06/13)
Disclosed herein are 2- or 6-fluoromethyl-3-pyridinecarboxylate derivatives with 3- or 5-dialkylamino substitution which are useful as herbicides.
Substituted 2,6-substituted 1,2- or 1,6-dihydro pyridine compounds
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, (2008/06/13)
Disclosed herein are dihydropyridine dicarboxylic acid amide derivatives which are useful as herbicides, and herbicidal compositions and methods using same.
Pesticidal compositions containing phosphoric esters and divalent sulphur compounds
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, (2008/06/13)
Pesticidal composition comprising: a pesticidal, phosphoric ester the molecule of which has at least one alkyl group of 1 to 3 carbon atoms, 0.05 to 10% of an agent stabilizing the said ester against decomposition by protonisation, together with adjuvants characterized in that the stabilizing agent comprises at least one sulphur compound containing per molecule at least one divalent sulphur atom of which one valence is bonded to an atom chosen from sulphur, carbon, nitrogen, hydrogen, and metals capable of giving a salt, the other valence being bonded to an atom chosen from hydrogen, the carbon atom already noted, a second carbon atom, the nitrogen atom already noted, a second nitrogen atom, the metal atom already noted in the case of a metal of valence greater than one, a second atom of metal and oxygen when the first valence is not attached to an atom of hydrogen, the proportion of sulphur calculated with reference to the weight of the sulphur compound being between 5 and 99%. Process for stabilizing a phosphoric ester of which the molecule possesses at least one alkyl group containing 1 to 3 carbon atoms characterized in that there is added to the phosphoric ester or to a mixture which contains it, 0.05 to 10% calculated on the weight of the phosphoric acid ester of an agent capable of stabilizing the said phosphoric ester against protonisation and comprising at least one sulphur compound such as that defined thereupon.
