Complexation and C–H bond activation of 2,2′:6′,2″-terpyridyl molecules on triosmium carbonyl clusters: Synthesis and characterization of the double-cluster {Cp3Fe4(CO)4(C5H4-terpyridyl)Os3(μ-H)(CO) } (n= 9, 10)
作者:Yi-Jing Yu、Wen-Yann Yeh
DOI:10.1016/j.jorganchem.2011.08.020
日期:2011.11
Cp3Fe4(CO)4(4′-C5H4-2,2′:6′,2″-terpyridine) (abbreviated as Fe4tpyH) reacts with Os3(CO)10(NCMe)2 in hot methylcyclohexane to generate the double cluster (μ-H)Os3(μ,η2-Fe4tpy)(CO)10 (1) and (μ-H)Os3(μ,η3-Fe4tpy)(CO)9 (2). Similar reaction of 4′-(p-FC6H4)-2,2′:6′,2″-terpyridine (abbreviated as FtpyH) and Os3(CO)10(NCMe)2 affords (μ-H)Os3(μ,η2-Ftpy)(CO)10 (3) and (μ-H)Os3(μ,η3-Ftpy)(CO)9 (4). On the
Cp 3 Fe 4(CO)4(4'-C 5 H 4 -2.2':6',2″-吡啶吡啶)(缩写为Fe 4 tpyH)与Os 3(CO)10(NCMe)2在热的甲基环己烷中反应以产生所述双簇(μ -H)O的3(μ,η 2 -Fe 4 TPY)(CO)10(1)和(μ -H)O的3(μ,η 3 -Fe 4 TPY)(CO)9(2)。4'-(p -FC 6 H 4)-2,2':6',2''-吡啶(缩写为FtpyH)和Os 3(CO)10(NCMe)2的相似反应得到(μ- H)Os 3(μ,η 2 -Ftpy)(CO)10(3)和(μ -H)O的3(μ,η 3 -Ftpy)(CO)9(4)。另一方面,用Os 3(CO)10(NCMe)处理原始分子2,2':6',2''-吡啶(缩写为TpyH)2只分离株(μ -H)O的3(μ,η 2 -Tpy)(CO)10(5)。这些化合物是通过tri骨架上吡啶基的络