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作 者:骆开均[1] 景凯[1,2] 谢运[1] 徐玲玲[1] 王建维[1]
机构地区:[1]四川师范大学化学与材料学院,四川成都610066 [2]四川省人民医院护士学校,四川成都610072
出 处:《四川师范大学学报(自然科学版)》2010年第6期816-820,共5页Journal of Sichuan Normal University(Natural Science)
基 金:supported by the National Natural Science Foundation of China(21072141);Scientific Research Fund of Education Department of Sichuan Province(08ZA040)~~
摘 要:以四价铂化合物,即六水合氯铂酸(H2PtCl6·6H2O)和2-苯基吡啶为原料,在微波辐射条件下高产率合成了单环铂金属配合物[(ppy)Pt(Ⅱ)(Hppy)Cl].研究发现,反应分两步进行,首先,六水合氯铂酸和2-苯基吡啶在水:乙二醇单乙醚体积比1:3的混合溶剂中,微波辐射回流反应15min,生成四价铂(Ⅳ)中间产物[(ppy)2Pt(Ⅳ)Cl2];然后,(ppy)2Pt(Ⅳ)Cl2和过量的碳酸钠在微波辐射下反应5min,四价铂被还原成二价铂,得到单环铂金属配合物[(ppy)Pt(Ⅱ)(Hppy)Cl].反应总收率(以H2PtCl6·6H2O计)达到62.1%.采用核磁、质谱、元素分析和单晶X-衍射等仪器对单环金属铂配合物的化学结构、晶体结构和光谱特征进行了表征.Mononuclear platinum(Ⅱ) complex with 2-phenylpyridine ligands,(ppy) Pt(Ⅱ)(Hppy) Cl has been synthesized by the reaction of Pt(Ⅳ) compound,H2PtCl6·6H2O,and 2-phenylpyridine under microwave irradiation.Firstly,with reflux during microwave irradiation for 15 min in the 3:1 mixture solvent of 2ethoxyethanol and water,the Pt(Ⅳ) compound,H2PtCl6 ·6H2O reacts with 2-phenylpyridine to form Pt(Ⅳ) complex with the structure of(ppy) 2Pt(Ⅳ) Cl2;then,(ppy) 2Pt(Ⅳ) Cl2 is reduced and dissociated in the presence of excess sodium carbonate(Na2CO3) after microwave irradiation for 5 min into the final title complex with the structure of(ppy) Pt(Ⅱ)(Hppy) Cl.The total yield based on H2PtCl6·6H2O is 62.1%.The title compound has been characterized by 1HNMR,MS-EIS and single-crystal X-ray structure analysis.
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