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Palladium catalysed reactions of allenes, carbon monoxide and nucleophiles

โœ Scribed by Ronald Grigg; Michael Monteith; Visuvanathar Sridharan; Catherine Terrier

Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
704 KB
Volume
54
Category
Article
ISSN
0040-4020

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โœฆ Synopsis

Hydridopalladium(I1) species generated in situ by oxidative addition of Pd(0) to acetic acid or acidic hydmxyl substrates (phenols, oximes) catalyse the termolecular assembly of allenes, CO and amines (primary, secondary) or oxygen nucleophiles to give methacryhtmides or methaclylate esters and derivatives thereof in good to excellent yield.

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Palladium-Catalyzed Tetramolecular Cascade Processes Incorporating Allene and Carbon Monoxide. -Aryl iodides (I) readily undergo a chemo-and regio-specific Pd-catalyzed four-component cascade process leading to formation of four new bonds. Initial oxidative addition of Pd(0) with aryl iodides follow