Synthesis, Structural Characterization, and Reactivity of ‘Carbons-Adjacent' <i>n</i><i>ido</i>- and <i>a</i><i>rachno</i>-Carborane Anions of the C<sub>2</sub>B<sub>10</sub> Systems and Their Metal Complexes
作者:Guofu Zi、Hung-Wing Li、Zuowei Xie
DOI:10.1021/om020809f
日期:2002.11.1
Three cage carbons-linked o-carboranes μ-1,2-[o-C6H4(CH2)2]-1,2-C2B10H10 (1), μ-1,2-[1,8-C10H6(CH2)2]-1,2-C2B10H10 (2), and μ-1,2-[1,1‘-(C6H4)2-2,2‘-(CH2)2]-1,2-C2B10H10 (3) were prepared from the reactions of Li2C2B10H10 with o-C6H4(CH2Br)2, 1,8-C10H6(CH2Cl)2, and 1,1‘-(C6H4)2-2,2‘-(CH2Br)2, respectively. The cage carbon atom adjacency of 1 and 2 was maintained during the reactions with excess Na
三个笼状碳连接的o-碳硼烷μ - 1,2- [ o -C 6 H 4(CH 2)2 ] -1,2-C 2 B 10 H 10(1),μ- 1,2- [1 ,8-C 10 H 6(CH 2)2 ] -1,2-C 2 B 10 H 10(2)和μ- 1,2- [1,1'-(C 6 H 4)2 -2 ,2'-(CH 2)2 ] -1,2-C2乙10 ħ 10(3)是从Li的反应制备2 c ^ 2乙10 ħ 10与ö -C 6 ħ 4(CH 2溴)2,1,8--C 10 H ^ 6(CH 2 Cl)的2,和1,1'-(C 6 H 4)2 -2,2'-(CH 2 Br)2。1和2的笼碳原子邻接在反应过程中与过量的Na或K金属在THF中保持稳定,导致高产率的“碳-邻近的” -Nido - Carbane Group 1配合物[ μ - 1,2- [ o -C 6 H 4(CH 2)2 ] -1,2-C