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Oxidation of organic compounds by polymer-supported bromate ion

โœ Scribed by J.G. Deshmukh; M.H. Jagdale; R.B. Mane; M.M. Salunkhe; P.P. Wadgaonkar

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
99 KB
Volume
23
Category
Article
ISSN
0014-3057

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โœฆ Synopsis

Aromatic aldehydes, secondary alcohols and thiophenol have been oxidized by polymer-supported bromate ion under mild reaction conditions to give the oxidized products in high yields and purities.

Polymer-supported ionic reagents have been used in the past to oxidize organic compounds.

Polymer-supported acid chromate oxidizes alcohols (1) and allylic or benzylic halides (2) in benzene to aldehydes and ketones. Polymer-supported periodate in methylene chloride smoothly oxidizes quinols and sulphides (3). Polymer-supported iodate effects the same oxidations but the reactions are slower and it could not oxidize sulphides (3).

Potassium bromate has long been used as an oxidant for many organic compounds such as secondary alcohols (4), alpha-hydroxy acids (5) and aliphatic saturated aldehydes (6). In many of these methods, mercuric acetate is used to remove HBr formed.

In continuation of work (7 -9) on polymer-supported reagents, we now report a simple method

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