Electric Literature of 16858-01-8, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.16858-01-8, Name is Tris(2-pyridylmethyl)amine, molecular formula is C18H18N4. In a Article，once mentioned of 16858-01-8
Divalent cobalt and iron chloride complexes of the type [LMCl 2]n (n = 1 or 2), [LMCl]Cl, [LMCl]2[MCl 4] and [L2M]Cl2 are accessible on treatment of L [L = bis (2-pyridylmethyl)amine (DPA) and tris(2-pyridylmethyl)amine (TPA)] with anhydrous MCl2 in n-BuOH at elevated temperatures; complex [(DPA)FeCl2]2 undergoes oxidation in air to give the oxo-bridged species, [{(DPA)FeCl2}2(mu-O)]. All the complexes have been spectroscopically and structurally characterised. Treatment of {(2-C5H4N)CH2}3N (TPA) with one equivalent of MCl2 in n-BuOH at elevated temperatures affords the six-coordinate complexes [(TPA)MCl2] (M = Co (1), Fe (2)) and, in the case of CoCl2, the five-coordinate chloride salt [(TPA)CoCl]Cl (3). Conversely, addition of an excess of CoCl2 in the latter reaction leads to [(TPA)CoCl]2[CoCl4] (4) as the only isolable product. Interaction of one equivalent of {(2-C5H4N) CH2}2NH (DPA) and MCl2 under similar reaction conditions to that described above affords the dimeric species [(fac-DPA)MCl(mu-Cl)]2 (M = Co (5), Fe (6)), while the bis(ligand) halide salts [(fac-DPA)2M]Cl2 (M = Co (7), Fe (8)) are accessible on addition of two equivalents of DPA. In the presence of air, 6 undergoes oxidation to give [{(fac-DPA)FeCl2}2(mu-O)] (9). Single-crystal X-ray diffraction studies are reported for 1, 2 ? MeCN, 3, 6·123CH2Cl2, 7 ? 3MeCN, 8 ? 3MeCN and 9.
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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI