Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Carboxylic acids peroxy acid

The acids are converted to peroxy esters for use as polymerization initiators. The metal salts are used as driers in paint formulations (see Carboxylic acids, TRIALKYLACETIC ACIDS). [Pg.373]

Alkene Peroxy acid Epoxide Carboxylic acid... [Pg.693]

Functional groups that stabilize radicals would be expected to increase susceptibility to autoxidation. This is illustrated by two cases that have been relatively well studied. Aldehydes, in which abstraction of the aldehyde hydrogen is fecile, are easily autoxidized. The autoxidation initially forms a peroxycarboxylic acid, but usually the corresponding carboxylic acid is isolated because the peroxy acid oxidizes additional aldehyde in a... [Pg.707]

Peroxyacetic acid (CH3COOH) is a weaker acid than acetic acid its p/Ca is 8.2 versus 4.7 for acetic acid. Why are peroxy acids weaker than carboxylic acids y... [Pg.796]

The analytical method described is also used in following the consumption of peroxybenzoic acid or other peroxy acids during an oxidation reaction it has also been used in determining the conversion of other carboxylic acids to peroxy acids when solvent extraction has been used in the isolation. [Pg.95]

Oxidation, of acids to peroxy acids by hydrogen peroxide, 43, 96 of alkylarenes to aromatic carboxylic acids, 43, 80... [Pg.119]

Peroxides, test for, 41, 92 Peroxy acids from carboxylic acids and 70% hydrogen peroxide, 43, 96 Peroxybenzoic acid, 43,93 iodometric analysis of, 43, 94 Peroxystearic acid, 43,96 Phenacylamine hydrochloride, 41, 82... [Pg.120]

We will now explore each aspect of this two-step process. In the first step, a peroxyacid (RCO3H), sometimes called a per-acid, reacts with the alkene. Compare the structure of a carboxylic acid with the structure of a peroxy acid ... [Pg.293]

Peroxy acids resemble carboxylic acids in structure, possessing just one additional oxygen atom. Peroxy acids are not very acidic, but they are used as strong oxidizing agents. Common examples of peroxy acids are ... [Pg.294]

The epoxidation can be done either with peroxy acids or DMDO. In the former case, the rearrangement is catalyzed by the carboxylic acid that is formed, whereas with DMDO, the intermediate epoxides can sometimes be isolated. [Pg.1113]

The peroxy acid transfers an oxygen atom to the alkene in a cyclic, single-step mechanism. The result is the syn addition of the oxygen to the alkene, with formation of an epoxide and a carboxylic acid. [Pg.438]

Shibasaki et al. have reported a new approach to a,/3-epoxy esters the epoxidation of cv. j-unsaturated carboxylic acid imidazolides with a La(OPr )3, BINOL, Ph3As=0, and TBHP system provides epoxy-peroxy-esters (41), which are generated in situ from the intermediary epoxy acid imidazolide and converted to the corresponding methyl ester (42) upon treatment with methanol (Scheme 27).134... [Pg.225]

See other pages where Carboxylic acids peroxy acid is mentioned: [Pg.376]    [Pg.291]    [Pg.376]    [Pg.291]    [Pg.503]    [Pg.503]    [Pg.80]    [Pg.160]    [Pg.176]    [Pg.184]    [Pg.192]    [Pg.193]    [Pg.208]    [Pg.208]    [Pg.209]    [Pg.209]    [Pg.210]    [Pg.302]    [Pg.302]    [Pg.305]    [Pg.454]    [Pg.455]    [Pg.475]    [Pg.489]    [Pg.542]    [Pg.545]    [Pg.545]    [Pg.659]    [Pg.729]    [Pg.794]    [Pg.794]    [Pg.824]    [Pg.1069]    [Pg.1069]    [Pg.123]    [Pg.57]    [Pg.917]    [Pg.1542]    [Pg.57]   
See also in sourсe #XX -- [ Pg.293 , Pg.294 ]



SEARCH



Peroxy

Peroxy acids

© 2024 chempedia.info