Cobalt-mediated cyclotrimerisation of bis-alkynes and cyanamides†
Abstract
CpCo(CO)2-mediated cyclotrimerisation of bis-alkynes and cyanamides provides multisubstituted 2-aminopyridines, including macrocyclic products, such as 22 (50% yield).
* Corresponding authors
a
Drug Discovery, Johnson & Johnson Pharmaceutical Research & Development, Spring House, PA, USA
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CpCo(CO)2-mediated cyclotrimerisation of bis-alkynes and cyanamides provides multisubstituted 2-aminopyridines, including macrocyclic products, such as 22 (50% yield).
L. V. R. Boñaga, H. Zhang and B. E. Maryanoff, Chem. Commun., 2004, 2394 DOI: 10.1039/B410012C
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