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Browsing by Author "陳偉成"

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    硒三鐵羰基化合物與無機及有機試劑的合成與其反應性探討
    (2008) 陳偉成; Wei-Cheng Chen
    1.Se─Fe─CuX系統 將[Et4N]2[SeFe3(CO)9]與CuX在不同條件比例下反應可成功合成出一系列新穎化合物 [Et4N]2[SeFe3(CO)9CuX] (X=Cl [Et4N]2[1a];Br [Et4N]2[1b] ;I [Et4N]2[1c])、[Et4N]2[SeFe3(CO)9Cu2X2] (X=Cl [Et4N]2[2a];Br[Et4N]2[2b])、[Et4N]2[{SeFe3(CO)9}2Cu4X2] (X=Cl [Et4N]2[3a];Br [Et4N]2[3b])和[Et4N]4[{SeFe3(CO)9Cu2Cl2}2] ([Et4N]4[4a]),並藉由DFT理論計算輔助,解釋IR吸收光譜、化合物相對穩定度與電化學上的氧化還原。 2.Se─Fe─Cu/dipyridine系統 將[Et4N]2[SeFe3(CO)9]加入[Cu(CH3CN)4][BF4]和不同dipyridine來源可成功自組裝得到一系列含羰基的新穎金屬團簇聚合物[SeFe3Cu2(tmdpy)2] (3)、[SeFe3(CO)9Cu2(dpy)3] (5)、[{(bpe)2(MeCN)2Cu}{SeFe3(CO)9Cu(bpe)}(MeCN)] (6)和[SeFe3Cu2(H2bpe)2.5] (7) (4,4′-trimethylene-dipyridine = tmdpy;4,4′-dipyridine = dpy;1,2-di(4–pyridine)ethylene = bpe;1,2-bis(4-pyridine)ethane = H2bpe)。 3.Se─Fe─CuOAc系統 將[Et4N]3[{SeFe3(CO)9Cu}2(─OAc)]與兩當量[Cu(CH3CN)4]BF4在冰浴反應5分鐘,可得到長鏈狀化合物[Et4N]3[{SeFe3(CO)9Cu2OAc}2(─OAc)] ([Et4N]3[2]),若[Et4N]3[{SeFe3(CO)9Cu}2(─OAc)]與[Cu(CH3CN)4]BF4和4,4´-dipyridine (dpy)同時反應則可得到4,4´-dipyridine取代掉OAc─ ligand當作橋接工具之化合物[Et4N]2[{SeFe3(CO)9Cu2OAc}2(─dpy)] ([Et4N]2[3])。

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