benzene boronic acid

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Boronic acid — The general structure of a boronic acid, where R is a substituent. A boronic acid is an alkyl or aryl substituted boric acid containing a carbon–boron bond belonging to the larger class of organoboranes. Boronic acids act as Lewis acids. Their… … Wikipedia
Organoborane — PropertiesThe C B bond has low polarity (the difference in electronegativity 2.55 for carbon and 2.04 for boron) and therefore alkyl boron compounds are in general stable though easily oxidized. Vinyl groups and aryl groups donate electrons and… … Wikipedia
Organoboron chemistry — Organoboron Organoborane or organoboron compounds are chemical compounds that are organic derivatives of BH3, for example trialkyl boranes. Organoboron chemistry or organoborane chemistry is the chemistry of these compounds.[1] … Wikipedia
Ester — For other uses, see Ester (disambiguation). A carboxylic acid ester. R and R denote any alkyl or aryl group, respectively Esters are chemical compounds derived by reacting an oxoacid with a hydroxyl compound such as an alcohol or phenol … Wikipedia
Boron — (pronEng|ˈbɔərɒn) is a chemical element with atomic number 5 and the chemical symbol B. Boron is a trivalent nonmetallic element which occurs abundantly in the evaporite ores borax and ulexite. Boron is never found as a free element on… … Wikipedia
Pyrylium salt — Pyrylium IUPAC name … Wikipedia

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