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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Dithiolate complexes of ruthenium and osmium: X-ray structures of [Ru-2(CO)(6)(mu-SCH2CH2S)] and [{(mu-H)M-3(CO)(10))}(2)(mu-SCH2CH2CH2S)] (M = Ru, Os)
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Dithiolate complexes of ruthenium and osmium: X-ray structures of [Ru-2(CO)(6)(mu-SCH2CH2S)] and [{(mu-H)M-3(CO)(10))}(2)(mu-SCH2CH2CH2S)] (M = Ru, Os)

机译:钌和的二硫醇盐配合物:[Ru-2(CO)(6)(mu-SCH2CH2S)]和[{(mu-H)M-3(CO)(10))}(2)的X射线结构(mu-SCH2CH2CH2S)](M = Ru,Os)

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A comparison between the reactivity of [Ru-3(CO)(12)] and [Os-3(CO)(10)(MeCN)(2)] with 1,2-ethanedithiol (HSCH2CH2SH) and 1,3-propanedithiol (HSCH2CH2CH2SH) is reported. The reaction of [Ru-3(CO)(12)] with 1.2-ethanedithiol at 68 degrees C afforded [Ru-2(CO)(6)(mu-SCH2CH2S)] (1) in 40% yield, whereas the reaction with 1,3-propanedithiol yielded [{(mu-H)Ru-3(CO)(10)}(2)(mu-SCH2CH2CH2S)] (2) and [Ru-2(CO)(6)(mu-SCH2CH2CH2S)] (3) in 30 and 19% yields respectively. Treatment of [Os-3(CO)(10)(MeCN)(2)] with 1,2-ethanedithiol gave [(mu-H) Os-3(CO)(10)(mu-SCH2CH2SH)] (4) in 60% yield and with 1,3-propanedithiol it afforded [{(mu-H)Os-3(CO)(10)}(2)(mu-SCH2CH2CH2S)] (5) in 30% yield. Compounds 1 and 3 both react with equimolar amounts of PPh3 at room temperature to give the monosubstituted products [Ru-2(CO)(5)(mu-SCH2CH2S)(PPh3)] (6) and [Ru-2(CO)(5)(mu-SCH2CH2S)(PPh3)] (7) respectively. When heated to 68 degrees C, compound 2 transformed into 3. The compounds have been characterized by spectroscopic studies, and in the case of 1, 2 and 5 by X-ray crystallography. (C) 2000 Elsevier Science Ltd All rights reserved. [References: 44]
机译:[Ru-3(CO)(12)]和[Os-3(CO)(10)(MeCN)(2)]与1,2-乙二硫醇(HSCH2CH2SH)和1,3-丙二酚的反应性比较报告(HSCH2CH2CH2SH)。 [Ru-3(CO)(12)]与1.2-乙二硫醇在68℃下反应得到[Ru-2(CO)(6)(mu-SCH2CH2S)](1),收率40%。 1,3-丙二酚可制得[{((mu-H)Ru-3(CO)(10)}(2)(mu-SCH2CH2CH2S)](2)和[Ru-2(CO)(6)(mu- SCH2CH2CH2S)](3)的产率分别为30%和19%。用1,2-乙二硫醇处理[Os-3(CO)(10)(MeCN)(2)],得到[(mu-H)Os-3(CO)(10)(mu-SCH2CH2SH)](4)以60%的收率和1,3-丙二酚的收率以30%的收率得到[{{(mu-H)Os-3(CO)(10)}(2)(mu-SCH2CH2CH2S)](5)。化合物1和3在室温下均与等摩尔量的PPh3反应,得到单取代的产物[Ru-2(CO)(5)(mu-SCH2CH2S)(PPh3)](6)和[Ru-2(CO)( 5)(mu-SCH2CH2S)(PPh3)](7)。当加热至68℃时,化合物2转化为3。该化合物已通过光谱研究表征,并且在1、2和5的情况下通过X射线晶体学表征。 (C)2000 Elsevier Science Ltd保留所有权利。 [参考:44]

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