Abstract
The Review reports the recent developments of palladium-catalyzed nucleophilic substitution of allylic alcohols and allylic amines used as electrophiles. The poor ability of the hydroxyl and amino groups to serve as good leaving groups has been overcome by the employment of additives which promote the palladium-catalyzed C-N and C-O bond cleavage. However, allylic alcohol and amine activation can be achieved by using appropriate catalytic systems or solvents, without any external activators. Significant expansion of the nucleophile scope allows to obtain various allylic compounds through the regio- and stereoselective formation of carbon-carbon and carbonheteroatom bonds.
Keywords: Additive, allylic alcohol, allylic amine, electrophile, nucleophile, palladium, Tsuji-Trost reaction.
Graphical Abstract
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Call for Papers in Thematic Issues
31 December, 2024
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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