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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Selective formation of silver(I) bis-phospholane macrocycles and further evidence that gold(I) is smaller than silver(I)
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Selective formation of silver(I) bis-phospholane macrocycles and further evidence that gold(I) is smaller than silver(I)

机译:银(I)双膦环大环的选择性形成,并进一步证明金(I)小于银(I)

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摘要

A new synthetic approach to highly flexible bis-phospholanes from 1-benzylphospholane (1) as starting material is described. Silver(I) macrocycles containing 16 ([Ag-2(mu-3a)(2)](BF4)(2), 4), 20 ([Ag-2(mu-3b)(2)](BF4)(2), 5), 24 ([Ag-2(mu-3c) 2](BF4)(2), 6), and 28 ([Ag-2(mu-3d)(2)](BF4)(2), 7) atoms in the ring were obtained in one step from AgBF4 and the respective bis-phospholane (C4H8P)(CH2)(n)(PC4H8) (n = 5, 7, 9, 11; 3a-d) in excellent yields. Comparison of 6 with the previously reported isomorphous complex [Au-2(mu-3c)(2)](BF4)(2) gave further evidence that gold(I) is significantly smaller than silver(I). All complexes were fully characterized by NMR and IR spectroscopy, mass spectrometry, and X-ray diffraction.
机译:描述了一种新的合成方法,该方法以1-苄基膦烷(1)为起始原料合成高度柔性的双膦酸酯。含16([Ag-2(mu-3a)(2)](BF4)(2),4),20([Ag-2(mu-3b)(2)](BF4)( 2),5),24([Ag-2(mu-3c)2](BF4)(2),6)和28([Ag-2(mu-3d)(2)](BF4)(2 ),一步法从AgBF4和相应的双膦环烷(C4H8P)(CH2)(n)(PC4H8)(n = 5、7、9、11; 3a-d)一步获得7)环中的原子产量。将6与先前报道的同构络合物[Au-2(mu-3c)(2)](BF4)(2)进行比较,进一步证明金(I)明显小于银(I)。所有配合物均已通过NMR和IR光谱,质谱和X射线衍射充分表征。

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