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本文引用的文献

1
Building Block Approach to the Construction of Long-Lived Osmium(II) and Ruthenium(II) Multimetallic Complexes Incorporating the Tridentate Bridging Ligand 2,3,5,6-Tetrakis(2-pyridyl)pyrazine.
Inorg Chem. 1996 Feb 14;35(4):818-824. doi: 10.1021/ic950709k.
2
Rhenium(I) carbonyl complexes of 2,4,6-tris(2-pyridyl)-1,3,5-triazine (TPT). Rhenium(I)-promoted methoxylation of the triazine ring carbon atom in dinuclear rhenium complexes.2,4,6-三（2-吡啶基）-1,3,5-三嗪（TPT）的铼（I）羰基配合物。双核铼配合物中铼（I）促进的三嗪环碳原子的甲氧基化反应。
Inorg Chem. 2001 Jun 4;40(12):2769-77. doi: 10.1021/ic000446g.

含2,3,5,6-四(2-吡啶基)吡嗪的单核、双核和三核铼(I)三羰基配合物的合成、表征及晶体结构

Synthesis, characterization and crystal structures of mono-, di- and trinuclear rhenium(I) tricarbonyl complexes with 2,3,5,6-tetra(2-pyridyl)pyrazine.

作者信息

Chen Xiaoyuan, Femia Frank J, Babich John W, Zubieta Jon

机构信息

Department of Chemistry, Syracuse University, Syracuse, NY 13244, USA.

出版信息

Inorganica Chim Acta. 2001 Apr 16;315(1):66-72. doi: 10.1016/S0020-1693(01)00335-8.

DOI:10.1016/S0020-1693(01)00335-8
PMID:20628541
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2901874/
Abstract

A series of rhenium(I) tricarbonyl complexes with the ligand 2,3,5,6-tetra(2-pyridyl)pyrazine (tppz) were synthesized and characterized crystallographically. Two different coordination modes were found when tppz functions as a monobidentate ligand. Rhenium(I) may be bound to tppz through pyrazine and pyridyl nitrogens completing a 5-membered coordination ring when the reaction was carried out in toluene. However, the same reaction in methanol produced a yellow complex in which rhenium(I) was bound to tppz through two adjacent pyridyl nitrogens with a 7-membered coordination ring. In the presence of an excess amount of [ReBr(CO)(5)], the dinuclear complex [{ReBr(CO)(3)}(2)(mu-tppz)] (3) was isolated, while the trinuclear complex [{ReCl(CO)(3)}(3)-(mu-tppz)] (4) was obtained in the case of [ReCl(CO)(5)]. Crystal data for 1, C(27)H(16)ClN(6)O(3)Re.MeOH: monoclinic, P2(1)/n, a = 9.2217(7), b = 10.7628(8), c = 26.932(2) A, beta= 94.130(1) degrees , V = 2666.1(3) A(3), Z = 4. 2, C(27)H(16)BrN(6)O(3)Re: monoclinic, P2(1)/n, a = 9.2931(6), b = 10.2387(7), c = 27.993(2) A, beta = 94.615(1) degrees , V = 2654.8(3) A(3),Z = 4. 1', C(27)H(16)ClN(6)O(3)Re.2H(2)O: monoclinic, C(2)/c, a = 18.584(4), b = 21.693(5), c = 15.392(4) A, beta = 122.328(3) degrees , V = 5243(2) A(3), Z = 8. 3, C(30)H(16)Br(2)N(6)O(6)Re(2): triclinic, P1, a = 7.4668(6), b = 11.4902(10), c = 19.3736(16) A, alpha = 73.659(2), beta = 85.183(2), gamma = 77.097(1) degrees , V = 1554.3(2) A(3), Z = 2. 4, C(33)H(16)Cl(3)N(6)O(9)Re(3).1/2C(6)H(6): orthorhombic, Pbca, a = 18.828(1), b = 16.715(1), c = 25.366(2) A, V = 7983.2(10) A(3), Z = 8.

摘要

合成了一系列含配体2,3,5,6-四（2-吡啶基）吡嗪（tppz）的铼（I）三羰基配合物，并通过晶体学对其进行了表征。当tppz作为单齿配体时，发现了两种不同的配位模式。当反应在甲苯中进行时，铼（I）可能通过吡嗪和吡啶氮与tppz结合，形成一个五元配位环。然而，在甲醇中进行相同反应时，生成了一种黄色配合物，其中铼（I）通过两个相邻的吡啶氮与tppz结合，形成一个七元配位环。在过量的[ReBr(CO)₅]存在下，分离得到了双核配合物[{ReBr(CO)₃}₂(μ-tppz)]（3），而在[ReCl(CO)₅]的情况下得到了三核配合物[{ReCl(CO)₃}₃-(μ-tppz)]（4）。1的晶体数据，C₂₇H₁₆ClN₆O₃Re·MeOH：单斜晶系，P2(1)/n，a = 9.2217(7)，b = 10.7628(8)，c = 26.932(2) Å，β = 94.130(1)°，V = 2666.1(3) ų，Z = 4。2，C₂₇H₁₆BrN₆O₃Re：单斜晶系，P2(1)/n，a = 9.2931(6)，b = 10.2387(7)，c = 27.993(2) Å，β = 94.615(1)°，V = 2654.8(3) ų，Z = 4。1'，C₂₇H₁₆ClN₆O₃Re·2H₂O：单斜晶系，C(2)/c，a = 18.584(4)，b = 21.693(5)，c = 15.392(4) Å，β = 122.328(3)°，V = 5243(2) ų，Z = 8。3，C₃₀H₁₆Br₂N₆O₆Re₂：三斜晶系，P1，a = 7.4668(6)，b = 11.4902(10)，c = 19.3736(16) Å，α = 73.659(2)，β = 85.183(2)，γ = 77.097(1)°，V = 1554.3(2) ų，Z = 2。4，C₃₃H₁₆Cl₃N₆O₉Re₃·1/2C₆H₆：正交晶系，Pbca，a = 18.828(1)，b = 16.715(1)，c = 25.366(2) Å，V = 7983.2(10) ų，Z = 8。