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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Contribution to halo-chalcogenates chemistry
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Contribution to halo-chalcogenates chemistry

机译:对卤代硫族化物化学的贡献

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摘要

By direct reactions of selenium with halogen and trimethylphenylammonium halogenide and tetraphenylphosphonium, ethyltriphenylphosphonium, and methyltriphenylphosphonium bromides, the tetrahalogenidoselenates(II) - bis(trimethylphenylammonium)tetrabromidoselenate(II) bromide, [NPhMe _3] _2[SeBr _4]·[NPhMe _3]Br, a mixed bis(trimethylphenylammonium) tetra(bromido/chlorido)selenate(II), [NPhMe _3] _2[SeBr _(4-x)Cl _x] ·[NPhMe _3] _2SeBr _(1-y)Cl _y], [NPhMe _3] _2[SeBr _(4-x)Cl _x],the haxahalogenidodiselenates(II) - bis(trimethylphenylammonium) hexabromidodiselenate(II), [NPhMe _3] _2[Se _2Br _6], bis(trimethylphenylammonium) hexachloridodiselenate(II), [NPhMe _3] _2[Se _2Cl _6], a mixed bis(trimethylphenylammonium) bromido/chlorido-diselenate(II), [NPhMe _3] _2[Se _2Br _5Cl], bis(tetraphenylphosphonium) hexabromidodiselenate(II), [PPh _4] _2[Se _2Br _6], bis(ethyltriphenylphosphonium) hexabromidodiselenate(II), [PEtPh _3] _2[Se _2Br _6], and bis(methyltriphenylphosphonium) hexabromidodiselenate(II), [PMePh _3] _2[Se _2Br _6], were prepared. By the reaction of selenium with bromine in acetonitrile in the presence of trimethylphenylammonium, benzyltrimethylammonium, and tetramethylammonium bromides, the salts of the unique bromidoselenate(I) anions - bis(trimethylphenylammonium) hexabromidotetraselenate(I), [NPhMe _3] _2[Se _4Br _6], bis(benzyltrimethylammonium) hexabromidotetraselenate(I), [NBzMe _3] _2[Se _4Br _6], and bis(tetramethylammonium) octadecabromidohexadecaselenate(I), [NMe _4] _2[Se _(16)Br _(18)], were isolated. First mixed-valence bromidoselenates(II/I) - bis(tetraethylammonium) octabromidotriselenate(II){dibromidodiselenate(I)}, [NEt _4] _2[Se _3Br _8(Se _2Br _2)], bis(tetraphenylphosphonium) hexabromidodiselenate(II)-bis{dibromidodiselenate(I)}, [PPh _4] _2[Se _2Br _6(Se _2Br _2) _2], and tetrakis(tetramethylammonium) bis{decabromidotetraselenate(II)}-bis{dibromidodiselenate(I)}, [(CH _3) _4N] _4[(Se _4Br _(10)) _2(Se _2Br _2) _2] - were synthesized. Mixed bis(trimethylphenylammonium) hexabromidoselenate/tellurate(IV), [NPhMe _3] _2[Se _(0.75)Te _(0.25)Br _6], catena-poly[(di-μ-bromidobis-{tetrabromidoselenate/ tellurate(IV)})- μ-bromine], [NPhMe _3] _(2n)[Se _(1.5)Te _(0.5)Br _(10)·Br _2] _n were isolated. First mixed-valence bromidoselenate(IV/I)- bis(trimethylphenylammonium) hexabromidoselenate(IV)-bis{dibromidodiselenate(I)}, [NPhMe _3] _2[SeBr _6(Se _2Br _2) _2], a number of mixed bromidochalcogenates(IV/I) - bis(trimethylphenylammonium), bis(tetraethylphosphonium), bis(ethyltriphenylphosphonium) hexabromidotellurates(IV)- bis{dibromidodiselenates(I)}, [NPhMe _3] _2[TeBr _6(Se _2Br _2) _2], [PEt _4] _2[TeBr _6(Se _2Br _2) _2], [PEtPh _3] _2[TeBr _6(Se _2Br _2) _2], bis(triethylmethylammonium) hexabromidotellurate(IV) -tris{dibromidodiselenate(I)}, [NMeEt _3] _(2n)[TeBr _6(Se _2Br _2) _3] _n, were synthesized. Mixed-valence bromidoselenate(IV/II) - bis(methyltriphenylphosphonium) hexabromidoselenate(IV)- bis{dibromidoselenate(II)},[PMePh _3] _2[SeBr _6(SeBr _2) _2], received by direct synthesis and two mixed-valence bromidochalcogenates(IV/II) - bis(methyltriphenylphosphonium) and bis(tetrapropylammonium) hexabromidotellurates(IV)-selenates(II), [PMePh _3] _2[TeBr _6(SeBr _2) _2] and [N ~nPr _4] _2[TeBr _6(SeBr _2) _2], were synthesized from elemental selenium, tellurium dioxide, and corresponding onium bromide. The structures of all compounds were determined by X-ray diffraction.
机译:通过硒与卤素和卤化三甲基苯基铵与四苯基phosph,乙基三苯基phosph和溴化甲基三苯基phosph的直接反应,得到四卤代亚硒酸酯(II)-双(三甲基苯基铵)四溴代亚硒酸酯(II),[NPhMe _3] _2 [SeBr _4]· ,混合的双(三甲基苯基铵)四(溴代/氯代)硒酸酯(II),[NPhMe _3] _2 [SeBr _(4-x)Cl _x]·[NPhMe _3] _2SeBr _(1-y)Cl _y], [NPhMe _3] _2 [SeBr _(4-x)Cl _x],卤代卤代二硒酸盐(II)-双(三甲基苯基铵)六溴代二硒酸盐(II),[NPhMe _3] _2 [Se _2Br _6],双(三甲基苯基铵)六氯二磺酸盐),[NPhMe _3] _2 [Se _2Cl _6],混合的双(三甲基苯基铵)溴/氯代二硒酸盐(II),[NPhMe _3] _2 [Se _2Br _5Cl],双(四苯基phosph)六溴代二硒酸盐(II),[PPh _4] _2 [Se _2Br _6],双(乙基三苯基phosph)六溴代二硒酸酯(II),[PEtPh _3] _2 [Se _2Br _6]和双(甲基三苯基phosph)六溴代咪唑制备[PMePh _3] _2 [Se _2Br _6]异氰酸酯(II)。在三甲基苯基铵,苄基三甲基铵和四甲基铵溴化物的存在下,硒与溴在乙腈中反应,生成独特的溴化次膦酸根(I)阴离子的盐-双(三甲基苯基铵)六溴代四硒酸根(I),[NPhMe _4] _6 Br [2] [Se] ],双(苄基三甲基铵)六溴四正硒酸酯(I),[NBzMe _3] _2 [Se _4Br _6]和双(四甲基铵)十八碳六溴六癸烯酸酯(I),[NMe _4] _2 [Se _(16)Br _(18)],被隔离了。第一混合价溴化亚硒酸酯(II / I)-双(四乙基铵)八溴三硒酸酯(II){dibromidodiselenate(I)},[NEt _4] _2 [Se _3Br _8(Se _2Br _2)],双(四苯基phosph)六溴代仲二硒酸酯-bis {dibromidodiselenate(I)},[PPh _4] _2 [Se _2Br _6(Se _2Br _2)_2]和四(四甲基铵)bis {decabromidotetraselenate(II)}-bis {dibromidodiselenate(I)},[(CH合成了_3)_4N] _4 [(Se _4Br _(10))_2(Se _2Br _2)_2]。混合双(三甲基苯基铵)六溴代亚硒酸酯/碲酸酯(IV),[NPhMe _3] _2 [Se _(0.75)Te _(0.25)Br _6],链-聚[(二-μ溴代双-{四溴代亚硒酸酯/碲酸酯(IV)) })-μ-溴],分离出[NPhMe _3] _(2n)[Se _(1.5)Te _(0.5)Br _(10)·Br _2] _n。第一混合价溴化亚硒酸酯(IV / I)-双(三甲基苯基铵)六溴代亚硒酸酯(IV)-双{二溴二二硒酸酯(I)},[NPhMe _3] _2 [SeBr _6(Se _2Br _2)_2],许多混合的溴化氨基甲酸酯(( IV / I)-双(三甲基苯基铵),双(四乙基phosph),双(乙基三苯基phosph)六溴代十二二酸酯(IV)-双{二溴咪二硒酸酯(I)},[NPhMe _3] _2 [TeBr _6(Se _2Br _2)_2],[PEt _4] _2 [TeBr _6(Se _2Br _2)_2],[PEtPh _3] _2 [TeBr _6(Se _2Br _2)_2],双(三乙基甲基铵)六溴十二二酸酯(IV)-tris {dibromidodiselenate(I)},[NMeEt _3合成了] _(2n)[TeBr _6(Se _2Br _2)_3] _n。混合价溴化亚硒酸酯(IV / II)-双(甲基三苯基phosph)六溴代亚硒酸酯(IV)-双{二溴代亚硒酸酯(II)},[PMePh _3] _2 [SeBr _6(SeBr _2)_2],并通过直接合成得到价溴化氨基甲酸酯(IV / II)-双(甲基三苯基phosph)和双(四丙基铵)六溴代十二烷基酸酯(IV)-硒酸酯(II),[PMePh _3] _2 [TeBr _6(SeBr _2)_2]和[N〜nPr _4] _2 [由元素硒,二氧化碲和相应的溴化鎓合成TeBr _6(SeBr _2)_2]。所有化合物的结构通过X射线衍射测定。

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