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It can be produced by the palladium-catalyzed hydrocarboxylation of cyclopentene: [2] C 5 H 8 + CO + H 2 O → C 5 H 9 CO 2 H. An alternative route involves the Favorskii rearrangement, which is a base-induced ring contraction of 2-chlorocyclohexanone to give the ester methyl cyclopentanecarboxylate, which can be hydrolyzed to the carboxylic ...
β-Ketoisocaproic acid, also known as 4-methyl-3-oxopentanoic acid, is an intermediate in the metabolism of leucine. [ 1 ] [ 2 ] Its metabolic precursor and metabolic product in the leucine metabolic pathway are β-leucine and β-ketoisocaproyl-CoA , respectively.
Hagemann's ester, ethyl 2-methyl-4-oxo-2-cyclohexenecarboxylate, is an organic compound that was first prepared and described in 1893 by German chemist Carl Hagemann. The compound is used in organic chemistry as a reagent in the synthesis of many natural products including sterols , trisporic acids , and terpenoids .
Methylcyclopentane is an organic compound with the chemical formula CH 3 C 5 H 9. It is a colourless, flammable liquid with a faint odor. It is a component of the naphthene fraction of petroleum usually obtained as a mixture with cyclohexane. It is mainly converted in naphthene reformers to benzene. [2]
The alkyl (R') group is named first. The R−C(=O)O part is then named as a separate word based on the carboxylic acid name, with the ending changed from "-oic acid" to "-oate" or "-carboxylate" For example, CH 3 CH 2 CH 2 CH 2 COOCH 3 is methyl pentanoate, and (CH 3) 2 CHCH 2 CH 2 COOCH 2 CH 3 is ethyl 4-methylpentanoate.
2-Methyl-3-oxopropanoic acid. Other names Methylmalonate semialdehyde, 2-methyl-3-oxopropanoic acid. Identifiers CAS Number. 6236-08-4 ...
In enzymology, a [3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] (EC 2.7.11.4) is an enzyme that catalyzes the chemical reaction ATP + [3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] ⇌ {\displaystyle \rightleftharpoons } ADP + [3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] phosphate
2-Amino-5-chloro-4-pentenoic acid, found in the mushroom Amanita cokeri; 2-Methyl-3-pentenoic acid. Some esters are berry fruit flavors. [18] 2-Propyl-trans-2-pentenoic acid (2-en-valproic acid), major metabolite of anticonvulsant valproic acid. [19] cis-2-methyl-2-pentenoic acid 2-methyl-(2Z)-pent-2-enoic acid. (CAS 1617-37-4, FDA 07B8HQZ433 ...