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Isobutyric acid, also known as 2-methylpropanoic acid or isobutanoic acid, is a carboxylic acid with structural formula (CH 3) 2 CHCOOH. It is an isomer of butyric acid. It is classified as a short-chain fatty acid. Deprotonation or esterification gives derivatives called isobutyrates. Isobutyric acid is a colorless liquid with a somewhat ...
Butyric acid (/ ˈ b j uː t ɪ r ɪ k /; from Ancient Greek: βούτῡρον, meaning "butter"), also known under the systematic name butanoic acid, is a straight-chain alkyl carboxylic acid with the chemical formula CH 3 CH 2 CH 2 COOH. It is an oily, colorless liquid with an unpleasant odor. Isobutyric acid (2-methylpropanoic acid) is an ...
2-Hydroxyisobutyric acid is the organic compound with the formula (CH 3) 2 C(OH)CO 2 H. A white solid, it is classified as an hydroxycarboxylic acid. It has been considered as a naturally occurring precursor to polyesters. [3] It is closely related to lactic acid (CH 3 CH(OH)CO 2 H). [4]
Isobutyric anhydride is an organic compound with the formula ((CH 3) 2 CHCO) 2 O. It is an acyclic carboxylic anhydride of isobutyric acid. [2] It is classified as an organic acid anhydride, being derived from dehydration of isobutyric acid. It is a colorless liquid with a strong, pungent odor. [3] [4]
This colorless liquid, the methyl ester of isobutyric acid, is used as a solvent. [1] References This page was last edited on 4 June 2021, at 16:38 (UTC). Text is ...
2-Aminoisobutyric acid (also known as α-aminoisobutyric acid, AIB, α-methylalanine, or 2-methylalanine) is the non-proteinogenic amino acid with the structural formula H 2 N-C(CH 3) 2-COOH. It is rare in nature, having been only found in meteorites, [2] and some antibiotics of fungal origin, such as alamethicin and some lantibiotics.
Its structure was initially unclear, with some chemists believing it corresponds to butyric acid, but theoretical considerations indicated that normal butanol should have a higher boiling point, and in 1867 Emil Erlenmeyer and independently Vladimir Markovnikov determined its actual structure by proving its oxidation product to be isobutyric acid.
As an ordinary acid chloride, isobutyryl chloride is the subject of many reported transformations. Dehydrohalogenation of isobutyryl chloride with triethylamine gives 2,2,4,4-tetramethylcyclobutanedione. [3] Treatment of isobutyryl chloride with hydrogen fluoride gives the acid fluoride. [4]