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Enhanced reactivity of cationic Au(μ-H)2MCp2 complexes (M = Mo and W) enabled by bulky tris-biaryl phosphines
Dalton Transactions ( IF 3.5 ) Pub Date : 2024-12-05 , DOI: 10.1039/d4dt03150d
Martina Landrini, Miquel Navarro, Jesús Campos, Luca Rocchigiani

[(L1)Au(μ-H)2MCp2][BF4] complexes (M = Mo and W) featuring cavity-shaped tris-2-(4,4′-di-tert-butylbi-phenylyl)phosphine (L1) have been isolated. The tungsten derivative showed a remarkably fast reactivity in photolytic hydride transfer to generate the mononuclear gold hydride (L1)AuH. Both bimetallic adducts trap Ag+ cations, forming unprecedented {[upper bond 1 start]Au(μ-H)M(μ-H)Ag[upper bond 1 end]} trimetallic assemblies with destabilized Au–M interactions.

中文翻译:


由大体积的三联芳基膦增强的阳离子 Au(μ-H)2MCp2 配合物(M = Mo 和 W)的反应性增强



[(L1)Au(μ-H) 2 MCp 2 ][BF 4 ] 复合物(M = Mo 和 W)具有空腔状 tris-2-(4,4′-二叔丁基联苯基)膦 (L1) 已被分离出来。钨衍生物在光解氢化物转移中表现出非常快的反应性,以生成单核氢化金 (L1)AuH。两种双金属加合物都捕获了银 + 阳离子,形成了前所未有的 { [upper bond 1 start] Au(μ-H)M(μ-H)Ag [upper bond 1 end] } 三金属组装体,具有不稳定的 Au-M 相互作用。
更新日期:2024-12-05
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