Bayer Villiger Oxidation||Reagent Chemistry

Baeyer-Villiger Oxidation

In Baeyer Villiger oxidation a carbonyl

Compound and an aromatic peracid react via insertion of the peroxo-O atom next to the C=O bond of the carbonyl compound.

The Baeyer–Villiger Reaction is a commonly used oxidation reaction in organic synthesis is the conversion of carbonyl compounds into the corresponding esters or lactones

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SeO2-Selenium dioxide||Oxidizing reagent||CSIR NET ORGANIC CHEMISTRY

 Selenium dioxide, SeO₂ is an oxidizing agent generally employed in the allylic oxidation of alkenes to furnish allylic alcohols, which may be further oxidized to conjugated aldehydes or ketones.

 It is also used to oxidize the α-methylene group adjacent to a carbonyl group to give a 1,2-dicarbonyl compound. However selenium dioxide can perform several common types of oxidations, such as alcohols to ketones or aldehydes. 

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The oxidations of methylene groups using Selenium dioxide are referred to as Riley oxidations.

Note: SeO₂ is sometimes referred to as selenium(IV) oxide.

Selenium oxide can also be used to oxidize alkynes in presence of acids. The internal alkynes are converted to 1,2-dicarbonyl compounds, whereas terminal alkynes are oxidized to glyoxylic acids.

It also oxidizes benzylic methylene, CH₂ group to C=O.

Chemoselective Oxidizing Reagent part 2||Organic Chemistry Clyden Chapter 23

in previous sessions we completed chemoselective reducing reagents. now chemoselective oxidation is also equally important.
we already discused some of the reagents for chemoselective oxidation of alcohols.

This is the 2nd part of chemoselective oxidizing reagent.

1.MnO2

2.Ag2CO3 celite

3.Dess Marwin

4 TPAP

5.TEMPO

so here we will discuss is it in a complete manner.

PDF- Chemoselctive Oxidizing Reagent Part 2