Chemo- and regio-specific palladium catalysed four component processes, involving formation of 3 new bonds, initiated by oxidative addition of Pd(0) with aryl iodides followed by sequential incorporation of CO (1 atm), a polymer supported allene and an amine provides complex heterocycles with 3 points of diversity in good yield and excellent purity after cleavage.
Palladium catalysed tetramolecular queuing cascades of aryl iodides, carbon monoxide, amines and a polymer supported allene
R. Grigg, W. MacLachlan and M. Rasparini, Chem. Commun., 2000, 2241 DOI: 10.1039/B007170F
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