model. It was found that in the most stable conformation the CH groups of the dicarbollide ligands are in anti,anti-orientation with respect to the DME ligand, while any rotation of the dicarbollide ligand reduces the stability of the system. This makes it possible to rationalize the design of carborane ligands for the synthesis of gadolinium metallacarboranes on their base.
通过反应制备双(碳
硼烷基)酰胺1,1′-μ-(CH 2 NH(O)C(CH 2 ) n -1,2-C 2 B 10 H 11 ) 2 ( n = 0, 1)相应的碳
硼烷基酰
氯与
乙二胺的反应。通过单晶X射线衍射测定了1,1'-μ-(CH 2 NH(O)C-1,2-C 2 B 10 H 11 ) 2的晶体分子结构。用
氟化铵或
氟化铯处理双(碳
硼基)酰胺 1,1′-μ-(CH 2 NH(O)C(CH 2 ) n -1,2-C 2 B 10 H 11 ) 2导致部分脱
硼邻位碳
硼烷笼转变为巢碳
硼烷笼,形成 [7,7′(8′)-μ-(CH 2 NH(O)C(CH 2 ) n -7,8-C 2 B 9 H 11 ) 2 ] 2− . [7,7'(8')-μ-(CH 2 NH(O)CCH 2 -7,8-C 2 B 9 H 11 ) 2 ] 2−与 GdCl 3在 1,2-二甲氧基中尝试反应-
乙烷没有产生预期的
金属碳
硼烷。使用