Organic Chemistey for JEE|NEET|GATE|NET
The Pauson-Khand reaction is an organic transformation used to convert an alkyne and alkene to a substituted cyclopentenone by using CO2(CO)8 complex catalyst and an of carbon monoxide. Also known as Pauson-Khand cycloaddition.
Takai reaction is a general carbon-carbon bond-forming reaction in organic chemistry. Takai reaction is also known as takai -Utimoto olefination, This transformation is referred to as the name of Kazuhiko Takai. This olefination is a simple alternative for the Wittig reaction and other complex methods like preparing an E alkene stereoselective (major) isomer. In this method, chromium(II) catalyst was used to prepare (E) configuration of alkenyl halides from corresponding carbonyl compounds like aldehyde and ketones.
The development of high number ring lactones from hydroxy acids employing Yamaguchi reagent (2,4,6-trichlorobenzoyl chloride/DMAP) is known as the Yamaguchi macrolactonization
Staudinger reaction is an organic name reaction of organic azides with trivalent phosphorous compounds (e.g., trialkyl- or triarylphosphines) to afford the corresponding aza-ylides.
The transformation of aldehydes (aliphatic, aromatic, saturated, or unsaturated) to the corresponding carboxylic acids is known as the Pinnick Oxidation. The Pinnick oxidation procedure is the NaClO2/2-methyl-2-butene the system was generally used to oxidize a wide range of α and β-unsaturated Aldehydes without affecting any of the double bonds present in the substrate.
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