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Baeyer Villiger oxidation
The reaction of ketones [1] with peracids [2] produces esters [3] .

oxidation-baeyer-villiger01.gif
The oxygen of the peracid is inserted between the carbonyl carbon and the alpha carbon of the ketone. This reaction was described by Adolf von Baeyer and Victor Villiger in 1899. Read more...
 
Wittig reaction
The Wittig reaction uses phosphorus ylides [2] to transform aldehydes and ketones [1] into alkenes [3] . Triphenylphosphine oxide is obtained as a by-product [4].

reaction-wittig01.gif
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Formation of Cyanohydrins
Cyanohydrins [3] are formed by the reaction of aldehydes or ketones [1] with hydrocyanic acid [2] and are compounds that contain a cynane and a hydroxy group on the same carbon.

cyanhydrins01.gif
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2,4-Dinitrophenylhydrazine assay
This is a specific analytical assay for aldehydes and ketones. Carbonyls [1] react with 2,4-Dinitrophenylhydrazine [2] to form phenylhydrazones [3] which precipitate yellow.

trial-phenylhydrazine01.gif
The appearance of a precipitate is an indicator of the presence of carbonyls in the medium. Read more...
 
Azine Formation
Hydrazine [2] reacts with two aldehyde molecules [1] to form azines [3].

formation-azinas01.gif
Read more...
 

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OrganicChemistry.org Newsletter

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Latest videos

Stereochemistry problems

carbonyl problem

organic reactions

Baeyer Villiger oxidation

Bamford Stevens

 Organic Synthesis (Wilbert Rivera)

Sulfonamide synthesis

Forum

Thiamine synthesis

Conformations of cis and trans 1- tert -butyl-4-methoxycyclohexane

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Stereochemistry Notebook

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OrganicChemistry.org Newsletter

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Structural Determination

Determination of molecular formulas

Electromagnetic spectrum

Publications

Photoinduced metalation of C-Cl bonds with samarium diiodide

Opening of epoxides and aziridines promoted by hot water

organic reactions

Alkene Metathesis

Claisen condensation

 Organic Synthesis (Wilbert Rivera)

Pyridine Synthesis

Synthesis of General Anesthetics

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Substitution and Elimination Reactions

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 Bulletin nº4 of QuímicaOrgánica.org (January 2016)

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Structural Determination

Molecular Formulas

Elemental Analysis

Organic Chemistry I

Types of hydrocarbons

Alkanes Nomenclature

organic reactions

Arndt Eistert synthesis

acetylacetic synthesis

 Organic Synthesis (Wilbert Rivera)

Methodologies in organic synthesis

General principles of the synthesis tree method

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Alkanes nomenclature

Synthesis of alcohols by reaction of esters with organometallics.

 

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