A Class of Luminescent Cyclometalated Alkynylgold(III) Complexes: Synthesis, Characterization, and Electrochemical, Photophysical, and Computational Studies of [Au(C<sup>∧</sup>N<sup>∧</sup>C)(C⋮CR)] (C<sup>∧</sup>N<sup>∧</sup>C = κ<sup>3</sup>C,N,C Bis-cyclometalated 2,6-Diphenylpyridyl)
作者:Keith Man-Chung Wong、Ling-Ling Hung、Wai Han Lam、Nianyong Zhu、Vivian Wing-Wah Yam
DOI:10.1021/ja068264u
日期:2007.4.1
A new class of luminescent cyclometalated alkynylgold(III) complexes, [Au(RC∧N(R‘)∧CR)(C⋮CR‘ ‘)], i.e., [Au(C∧N∧C)(C⋮CR‘ ‘)] (HC∧N∧CH = 2,6-diphenylpyridine) R‘ ‘ = C6H5 1, C6H4Cl-p 2, C6H4NO2-p 3, C6H4OCH3-p 4, C6H4NH2-p 5, C6H4C6H13-p 6, C6H13 7, [Au(tBuC∧N∧CtBu)(C⋮CC6H5)] 8 (HtBuC∧N∧CtBuH = 2,6-bis(4-tert-butylphenyl)pyridine), and [Au(C∧NTol∧C)(C⋮CC6H4−C6H13-p)] 9 (HC∧NTol∧CH = 2,6-diphenyl-4-p-tolylpyridine)
一类新的发光环金属化炔基金(III)配合物[Au(RC∧N(R')∧CR)(C⋮CR'')],即[Au(C∧N∧C)(C⋮CR') ')] (HC∧N∧CH = 2,6-二苯基吡啶) R' ' = C6H5 1, C6H4Cl-p 2, C6H4NO2-p 3, C6H4OCH3-p 4, C6H4NH2-p 5, C6H4C6H13-p 137 H6 , [Au(tBuC∧N∧CtBu)(C⋮CC6H5)] 8 (HtBuC∧N∧CtBuH = 2,6-双(4-叔丁基苯基)吡啶), 和 [Au(C∧NTol∧C)( C⋮CC6H4-C6H13-p)] 9 (HC∧NTol∧CH = 2,6-二苯基-4-p-甲苯基吡啶),已被合成和表征。大多数配合物的 X 射线晶体结构也已确定。电化学研究表明,一般来说,第一个氧化波是以炔基配体为中心的氧化,而第一个还原对归因于环金属化配体的以配体为中心的还原,但