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The synthesis of novel tetracyclic fused pyrroles from 1-(2-iodophenyl)-1H-pyrrole and various bromoalkyl-aryl alkynes via a palladium(0)-catalyzed and norbornene-mediated threefold domino reaction is reported. PdCl 2 and tri-2-furylphosphine (TFP) in the presence of norbornene and Cs 2 CO 3 in CH 3 CN at 90°C gave a variety of tetracyclic fused pyrroles in usually...
A novel synthetic route for the preparation of functionalized alkylidene pyrrolidines via a MAD/n-Bu 4 NI-mediated ring expansion of monoactivated MCP was developed. The substrate scope for this reaction was found to be broad for a variety of aldimines and symmetrically as well as unsymmetrically monoactivated MCPs yielding the corresponding five-membered heterocyclic compounds in good yields...
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