Isomeric clusters [HOs3(CO)10(C18H11N6)] obtained from the reaction of [Os3(CO)10(CH3CN)2] with new tris-pyridyl-1,2,4-triazines

被引：3

作者：

Goite, Maria C. ^{[1
]}

Machado, Ruben A. ^{[1
]}

Arce, Alejandro J. ^{[1
]}

De Sanctis, Ysaura ^{[1
]}

Otero, Yomaira ^{[1
]}

Gonzalez, Teresa ^{[2
]}

机构：

[1] Inst Venezolano Invest Cient, Ctr Quim, Lab Quim Met & Transic, Caracas 1020A, Venezuela

[2] Inst Venezolano Invest Cient, Ctr Quim, Lab Caracterizac Nuevos Mat, Caracas 1020A, Venezuela

来源：

INORGANICA CHIMICA ACTA | 2012年 / 383卷

关键词：

As-triazines; Osmium clusters; X-ray crystal structures; Orthometallation; Pyridynes; TRIOSMIUM CLUSTERS; CRYSTAL-STRUCTURES; COMPLEXES; 2,3-BIS(2-PYRIDYL)PYRAZINE;

D O I：

10.1016/j.ica.2011.10.064

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The new tris-pyridyl-as-triazines 3-(3-pyridyl)-5,6-bis(2-pyridyl)-1,2,4-triazine (3TPT) and 3-(4-pyridyl)-,6-bis(2-pyridyl)-1,2,4-triazine (4TPT) have been synthesized from the corresponding pyridyl-amidrazone and 2,2'pyridyl in good yields. The reaction of 3TPT with [Os-3(CO)(10)CH3CN)(2)] at room temperature gives the new compounds [HOs3(CO)(9)(C18H11N6)] (1 and 2) by orthometallation of the 3-pyridyl ring at the 2- and 6-positions. The reaction of 4TPT with [Os-3(CO)(10)(CH3CN)(2)] gives only one derivative, the isomer [HOs3(CO)(9)(C18H11N6)] (3) by orthometallation of the 4-pyridyl ring. In all cases, C-H activation of the 3-pyridyl or 4-pyridyl is favored, so the 2-pyridyl substituents remain uncoordinated. (C)11 Elsevier B. V. All rights reserved.

引用

页码：125 / 131

页数：7

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