含有1,2-二硫(硒、碲)碳硼烷的16和18电子体系Cp^tRh化合物的合成及表征  

Synthesis and Characterization of Cp^tRh(PMe_3)(Se_2C_2B_(10)H in 16-and 18-Electron Half-sandwich Rhodium Complexes with 1,2-Dichalcogenolate Carborane

作　　者：孔庆安[1] 金国新[1] 林永华[2] 

机构地区：[1]复旦大学化学系,上海200433 [2]中国科学院长春应用化学研究所,长春130022

出　　处：《高等学校化学学报》2002年第3期410-412,共3页Chemical Journal of Chinese Universities

基　　金：国家自然科学杰出青年基金 (批准号 :2 992 5 10 1);国家重点基础研究专项经费 (批准号 :G19990 64 80 0 )资助

摘　　要：The reaction of \[Cp\+\%t\%RhCl\-2\]\-2(1) (Cp\+\%t\%=η\+5\|\{\}\+\%t\%Bu\-2C\-5\|H\-3) with 1,2\|dilithium dichalcogenolate carborane Li\-2E\-2C\-2B\-\{10\}H\-\{10\}(E=S, Se) afforded the 16\|electron rhodium(Ⅲ) half\|sandwich complexes \{Cp\+\%t\%Rh(E\-2C\-2B\-\{10\}H\-\{10\})\}\3a), Se(3b)\]. 18\|Electron trimethyl phosphine rhodium(Ⅲ) half\|sandwich complexes Cp\+\%t\%Rh(PMe\-3)(E\-2C\-2B\-\{10\}H\-\{10\})\. 18\|Electron trimethyl phosphine rhodium(Ⅲ) half\|sandwich complexes Cp\+\%t\%Rh(PMe\-3)(E\-2C\-2B\-\{10\}H\-\{10\})\4a), Se(4b), Te(4c)\] can be synthesized both by addition of PMe\-3 into 16\|electron complexes can be synthesized both by addition of PMe\-3 into 16\|electron complexes 3a, 3b and by the reaction Cp\+\%t\%Rh(PMe\-3)Cl\-2(2) with Li\-2E\-2C\-2B\-\{10\}H\-\{10\}(\{E=S\}, Se, Te). The molecular geometry of 4b was determined by X\|ray diffraction structural analysis.The reaction of \[Cp\+\%t\%RhCl\-2\]\-2(1) (Cp\+\%t\%=η\+5\|\{\}\+\%t\%Bu\-2C\-5\|H\-3) with 1,2\|dilithium dichalcogenolate carborane Li\-2E\-2C\-2B\-\{10\}H\-\{10\}(E=S, Se) afforded the 16\|electron rhodium(Ⅲ) half\|sandwich complexes \{Cp\+\%t\%Rh(E\-2C\-2B\-\{10\}H\-\{10\})\}\3a), Se(3b)\]. 18\|Electron trimethyl phosphine rhodium(Ⅲ) half\|sandwich complexes Cp\+\%t\%Rh(PMe\-3)(E\-2C\-2B\-\{10\}H\-\{10\})\. 18\|Electron trimethyl phosphine rhodium(Ⅲ) half\|sandwich complexes Cp\+\%t\%Rh(PMe\-3)(E\-2C\-2B\-\{10\}H\-\{10\})\4a), Se(4b), Te(4c)\] can be synthesized both by addition of PMe\-3 into 16\|electron complexes can be synthesized both by addition of PMe\-3 into 16\|electron complexes 3a, 3b and by the reaction Cp\+\%t\%Rh(PMe\-3)Cl\-2(2) with Li\-2E\-2C\-2B\-\{10\}H\-\{10\}(\{E=S\}, Se, Te). The molecular geometry of 4b was determined by X\|ray diffraction structural analysis.

关 键 词：碳硼烷 半夹心结构 分子结构 核磁共振 铑老化合物 合成 表征 

分 类 号：O614.822[理学—无机化学]