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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Alkylzinc diorganophosphates: synthesis, structural diversity and unique ability to incorporate zincoxane units
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Alkylzinc diorganophosphates: synthesis, structural diversity and unique ability to incorporate zincoxane units

机译:烷基二有机磷酸锌:合成,结构多样性和并入锌氧烷单元的独特能力

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摘要

Equimolar reactions between ZntBu(2) and diphenyl phosphate (dpphe-H) or dimethyl phosphate (dmphe-H) result in the formation of [tBuZn(O2P(OR')(2))]-type compounds which crystallize as tetranuclear aggregates, [tBuZn(dpphe)](4) (1(4)) or [tBuZn(dmphe)](4) (2(4)), with the phosphate ligands spanning 4-coordinate Zn centers. The utility of ZnMe2 instead of ZntBu(2) dramatically changes the reaction outcome and leads to [MeZn(O2P(OR')(2))]-type moieties incorporating zincoxane units, i.e., pentanuclear [{MeZn(dpphe)}(3)(Me2Zn2O)(THF)(2)] (3) and nonanuclear [{MeZn(dmphe)}(6)(Me2Zn3O2)] (4) aggregates. The resulting compounds were characterized by H-1 and P-31 NMR spectroscopy and single-crystal X-ray diffraction analysis.
机译:ZntBu(2)与磷酸二苯酯(dpphe-H)或磷酸二甲酯(dmphe-H)之间的等摩尔反应导致[tBuZn(O2P(OR')(2))]型化合物的形成,其结晶为四核聚集体, [tBuZn(dpphe)](4)(1(4))或[tBuZn(dmphe)](4)(2(4)),磷酸盐配体跨越4个坐标的Zn中心。 ZnMe2代替ZntBu(2)的效用大大改变了反应结果,并导致并入了锌氧烷单元的[MeZn(O2P(OR')(2))]型部分,即五核[{MeZn(dpphe)}(3 )(Me2Zn2O)(THF)(2)](3)和无核[{MeZn(dmphe)}(6)(Me2Zn3O2)](4)聚集体。通过H-1和P-31 NMR光谱和单晶X射线衍射分析对所得化合物进行表征。

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