Reactions of 2-(arylazo)aniline with iridium trichloride: Synthesis, characterization and structure of new cyclometallated complexes of iridium(III)

详细信息    查看全文

• 作者：Jahar Lal Pratihar^a ; Poulami Pattanayak^a ; Debprasad Patra^a ; Rajendra Rathore^b ; Surajit Chattopadhyay^a ; ^{scha8@rediffmail.com}
• 关键词：2-(Arylazo)aniline ; Cyclometallation ; Iridium(III)
• 刊名：Inorganica Chimica Acta
• 出版年：2011
• 出版时间：28 February 2011
• 年：2011
• 卷：367
• 期：1
• 页码：182-186
• 全文大小：519 K

文摘

Reactions of 2-(arylazo)aniline, HL (H represents the dissociable protons upon orthometallation and HL is p-RC₆H₄NNC₆H₄–NH₂; RH for HL¹; CH₃ for HL² and Cl for HL³) with IrCl₃ in methanol afforded orthometallated complexes of composition (L)(HL)IrCl₂ (2) and (L)(MeOH)IrCl₂ (3), respectively. Complex (L)(MeOH)IrCl₂ (3) converted into (L)(CH₃CN)IrCl₂ (4) upon refluxing in acetonitrile. The X-ray structure of the complexes (L¹)(HL¹)IrCl₂ (2a) and (L³)(CH₃CN)IrCl₂ (4c) have been determined and characterized unequivocally. The anionic L⁻ binds the metal in tridentate (C, N, N) manner for all the complexes.