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Diethyl malonate, also known as DEM, is the diethyl ester of malonic acid. It occurs naturally in grapes and strawberries as a colourless liquid with an apple-like odour, and is used in perfumes. It is also used to synthesize other compounds such as barbiturates, artificial flavourings, vitamin B 1, and vitamin B 6.
Dimethyl malonate is a diester derivative of malonic acid. It is a common reagent for organic synthesis used, for example, as a precursor for barbituric acid. It is also used in the malonic ester synthesis. It can be synthesized from dimethoxymethane and carbon monoxide. [2]
Malonic acid is the precursor in mitochondrial fatty acid synthesis (mtFASII), in which it is converted to malonyl-CoA by acyl-CoA synthetase family member 3 (ACSF3). [ 30 ] [ 31 ] Additionally, the coenzyme A derivative of malonate, malonyl-CoA, is an important precursor in cytosolic fatty acid biosynthesis along with acetyl CoA .
Dihydroxymalonic acid can be obtained synthetically by hydrolysis of alloxan with baryta water, [2] by warming caffuric acid [7] with lead acetate solution, [4] by electrolysis of tartaric acid in alkaline solution, [8] or from glycerin diacetate and concentrated nitric acid in the cold. The product can be obtained also by oxidation of ...
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Tetrahydrocannabinolic acid. The decarboxylation of this compound by heat is essential for the psychoactive effect of smoked cannabis, and depends on conversion of the enol to a keto group when the alpha carbon is protonated. Upon heating, Δ9-tetrahydrocannabinolic acid decarboxylates to give the psychoactive compound Δ9-Tetrahydrocannabinol ...
On heating, the di-ester undergoes thermal decarboxylation, yielding an acetic acid substituted by the appropriate R group. [1] Thus, the malonic ester can be thought of being equivalent to the − CH 2 COOH synthon. The esters chosen are usually the same as the base used, i.e. ethyl esters with sodium ethoxide.
Malonic anhydride or oxetane-2,4-dione is an organic compound with chemical formula C 3 H 2 O 3 or CH 2 (CO) 2 O. It can be viewed as the anhydride of malonic acid, or a double ketone of oxetane. Malonic anhydride was first synthesized in 1988 by ozonolysis of diketene. [1] [2] Some derivatives, such as 3,3-dimethyl-oxetane-2,4-dione, are known ...
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