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Maleic anhydride is a classic substrate for Diels-Alder reactions. [9] It was used for work in 1928, on the reaction between maleic anhydride and 1,3-butadiene, for which Otto Paul Hermann Diels and Kurt Alder were awarded the Nobel Prize in 1950. It is through this reaction that maleic anhydride is converted to many pesticides and pharmaceuticals.
It can be described as the double ester of maleic acid with the alcohol 2-ethylhexanol. It is commonly called dioctyl maleate (DOM), reflecting the older usage of "octane" to refer to any 8-carbon alkane, straight-chained or branched. The compound is manufactured by treating 2-ethylhexanol with maleic anhydride and an
For the synthesis of tetrasodium iminodisuccinate, maleic anhydride is reacted with sodium hydroxide in water at elevated temperature. A concentrated disodium maleate solution is formed to which ammonia is added [ 4 ] at 90 to 145 °C, then excess water and ammonia is distilled off.
One of the key uses for the compound is in production of the pesticide Malathion. [5] It has also been used medically as a chemical depletory of glutathione. [6] It has been studied extensively with regard to renal function. [7] Other medical uses include treatment of breast cancer and its monitoring with Positron Emission Tomography. [8]
A manual backpack-type sprayer Space treatment against mosquitoes using a thermal fogger Grubbs Vocational College students spraying Irish potatoes. Pesticide application is the practical way in which pesticides (including herbicides, fungicides, insecticides, or nematode control agents) are delivered to their biological targets (e.g. pest organism, crop or other plant).
In industry, maleic acid is derived by hydrolysis of maleic anhydride, the latter being produced by oxidation of benzene or butane. [4] Maleic acid is an industrial raw material for the production of glyoxylic acid by ozonolysis. [8] Maleic acid may be used to form acid addition salts with drugs to make them more stable, such as indacaterol ...
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3-Sulfolene reacts with maleic anhydride in boiling xylene to cis-4-cyclohexene-1,2-dicarboxylic anhydride, obtaining yields of up to 90%. [4] 3-Sulfolene reacts also with dienophiles in trans configuration (such as diethyl fumarate) at 110 °C with SO 2 elimination in 66–73% yield to the trans-4-cyclohexene-1,2-dicarboxylic diethyl ester. [17]