Ag(I)-Mediated In situ Dehydrogenative Coupling of 3-Amino-1,2,4-triazole into 3,3′-Azobis(1,2,4-triazole) in Cd(II) Coordination Polymers
journal contribution
posted on 2009-12-07, 00:00 authored by Pei-Xiu Yin, Jian-Kai Cheng, Zhao-Ji Li, Lei Zhang, Ye-Yan Qin, Jian Zhang, Yuan-Gen YaoAg(I)-mediated in situ generation of 3,3′-azobis(1,2,4-triazole) (AzTAZ) from 3-amino-1,2,4-triazole (AmTAZ) through dehydrogenative coupling has been realized during the crystallization process of two Cd(II) coordination polymers with novel topological architectures: a (3, 4, 5)-connected (4·6<sup>2</sup>)<sub>2</sub>(4·6<sup>7</sup>·8<sup>2</sup>)<sub>2</sub>(6<sup>5</sup>·10) net for [Cd<sub>2</sub>(AmTAZ)<sub>2</sub>(AzTAZ)]<sub><i>n</i></sub> (<b>1</b>) and a 4-connected (6<sup>2</sup>·8<sup>4</sup>)(6<sup>4</sup>·8<sup>2</sup>)(6<sup>5</sup>·8)<sub>2</sub> net for [Cd(AzTAZ)<sub>2</sub>(H<sub>2</sub>O)]<sub><i>n</i></sub> (<b>2</b>), whereas AmTAZ retains its original form in a heterometallic complex, [Ag<sub>2</sub>Cd(AmTAZ)<sub>4</sub>]<sub><i>n</i></sub> (<b>3</b>).
