1,3,5-Triaza-7-phosphaadamantane (PTA) ligated iridium(I) complexes as catalysts for the intramolecular hydroamination of 4-pentyn-1-amine in water |
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| Authors: | Donald Alan Krogstad Andrew J DeBoer William J Ortmeier Joseph W Rudolf Jason A Halfen |
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| Affiliation: | aConcordia College, Department of Chemistry, 901 8th St. South, Moorhead, MN 56562, United States;bUniversity of Wisconsin-Eau Claire, Department of Chemistry, Eau Claire, WI 54702, United States |
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| Abstract: | The water-soluble complex Ir(COD)(PTA)3]Cl (1, PTA = 1,3,5-triaza-7-phosphaadamantane) was prepared by the reaction of IrCl(COD)]2 with six equivalents of PTA under a nitrogen atmosphere. Compound 1 was fully characterized in solution and the solid state. 1 crystallized in the monoclinic space group C2/c with a = 29.648(9) Å, b = 11.238(2) Å, c = 19.930(2) Å, and β = 96.55(2)°. Complex 1 and the related Ir(I) compounds, IrCl(CO)(PTA)3] (2) and Ir(CO)(PTA)4]Cl (3), were active catalysts in the intramolecular hydroamination of 4-pentyn-1-amine in water. This is the first reported study of the Ir(I) mediated transformation in aqueous media. |
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| Keywords: | Water Phosphine Iridium 1 3 5-Triaza-7-phosphaadamantane Intramolecular hydroamination |
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