Polypyridyl-functionalizated alkynyl gold(<scp>i</scp>) metallaligands supported by tri- and tetradentate phosphanes
作者:Montserrat Ferrer、Leticia Giménez、Albert Gutiérrez、João Carlos Lima、Manuel Martínez、Laura Rodríguez、Avelino Martín、Rakesh Puttreddy、Kari Rissanen
DOI:10.1039/c7dt02732j
日期:——
A series of alkynyl gold(I) tri and tetratopic metallaligands of the type [Au3(C≡C-R)3(μ3-triphosphane)] (R = 2,2’-bipyridin-5-yl or C10H7N2, 2,2’:6’,2’’-terpyridin-4-yl or C15H10N3; triphosphane = 1,1,1-tris(diphenylphosphanyl)ethane or triphos, 1,3,5-tris(diphenylphosphanyl)benzene or triphosph) and [Au4(C≡C-R)4(μ4-tetraphosphane)] (R = C10H7N2, C15H10N3; tetraphosphane = tetrakis(diphenylphosphanylmethyl)methane
[Au3]类型的一系列炔基金(I)三和四位金属配体(C≡CR)3(μ3-三膦)](R = 2,2'-联吡啶-5-基或C10H7氮2,2,2':6',2''-三联吡啶-4-基或C15H10N3; 三phosph烷= 1,1,1-三(二苯基phosph烷基)乙烷或三ho,1,3,5-三(二苯基phosph烷基)苯或三磷)和[Au4(C≡CR)4(μ4-四膦烷]](R = C10H7氮2,C15H10N3; 四磷烷=四(二苯基膦烷基甲基)甲烷或四磷,1,2,3,5-四(二苯基膦烷基)苯或tpbz,四(二苯基膦酰基甲基)-1,2-乙二胺或dppeda)。可以通过炔基金(I)聚合物[Au(C≡CR)] n之间的反应制备所有配合物和足够的聚膦。一种替代策略,要求事先合成适当的乙酰丙酮酸酯前体[Aun(acac)n(微米-聚膦烷]](“ acac方法”)进行了测定,尽管如此,只有polyacac衍生物[