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À propos de : Palladium(0)-Catalyzed Coupling ofOrganozinc Iodide Reagents withBromopyridines: Synthesis of SelectivelyProtected Pyridine-ContainingAzamacrocycles        

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  • Palladium(0)-Catalyzed Coupling ofOrganozinc Iodide Reagents withBromopyridines: Synthesis of SelectivelyProtected Pyridine-ContainingAzamacrocycles
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  • The synthesis of azamacrocycles in which thering nitrogens are regioselectively functionalized is described. An organozinc palladium(0)-catalyzed coupling withan appropriately functionalized bromopyridine generated akey intermediate, which was transformed in two steps to adesired precursor and subjected to an intramolecular N-alkylation to effect a macrocyclization affording selectivelyprotected azamacrocycles 1−3.
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