material is described. Silver(I) macrocycles containing 16 ([Ag2(μ-3a)2](BF4)2, 4), 20 ([Ag2(μ-3b)2](BF4)2, 5), 24 ([Ag2(μ-3c)2](BF4)2, 6), and 28 ([Ag2(μ-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 [Au2(μ-3c)2](BF4)2
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。
银(我含16)的大环(将[Ag 2(μ- 3A)2 ](BF 4)2,4),20(将[Ag 2(μ- 3B)2 ](BF 4)2,5),24(将[Ag 2(μ- 3C)2 ](BF 4)2,6),和28(将[Ag 2(μ- 3D)2](BF 4)2,7是在从的AgBF一个步骤中得到)的环原子4和相应的双-
磷杂环戊烷(C 4 H ^ 8 P)(CH 2)Ñ(PC 4 ħ 8)(Ñ = 5, 7,9,11; 3a–d)的良率。将6与先前报道的同构络合物[Au 2(μ- 3c)2 ](BF 4)2进行比较,进一步证明
金(I)显着小于
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。