An Unusual Organoyttrium Alkyl Complex Containing a [C(5)HMe(3)(eta(3)-CH(2))-C(5)H(4)N-kappa](-) Ligand and an Elusive Cyclopentadienide-Based Scandium Tuck-Over Zwitterion Obtained by C-H Bond Activation
文献类型：期刊论文
| 作者 | Jian ZB ; Cui DM |
| 刊名 | chemistry-a european journal
 |
| 出版日期 | 2011 |
| 卷号 | 17期号:51页码:14578-14585 |
| 关键词 | RARE-EARTH-METALS P C5ME5/ER-LIGATED SAMARIUM(II) COMPLEXES N-SUBSTITUTED INDENE BLOCK-COPOLYMERIZATION CRYSTAL-STRUCTURE REACTIVITY POLYMERIZATION CHEMISTRY STYRENE RUTHENIUM(II) |
| ISSN号 | 0947-6539 |
| 通讯作者 | cui dm |
| 中文摘要 | the acid-base reaction between y(ch(2)sime(3))(3)(thf)(2) and the pyridyl-functionalized cyclopentadienyl (cp) ligand c(5)me(4)h-c(5)h(4)n (1 equiv) at 0 degrees c afforded a mixture of two products: (eta(5):kappa-c(5)me(4)-c(5)h(4)n)y-(ch(2)sime(3)) (2)(thf) (1a) and (eta(5):kappa-c(5)me(4)-c(5)h(4)n)(2)y-ch(2)sime(3) (1b), in a 5: 2 ratio. addition of the same ligand (2 equiv) to y(ch(2)sime(3))(3)(thf)(2), however, generated 1b together with the novel complex 1c, the first well defined yttrium mono(alkyl) complex (eta(5):kappa-c(5)me(4)-c(5)h(4)n)[c(5)hme(3)(eta(3)-ch(2))-c(5)h(4)n-kappa] y(ch(2)sime(3)) containing a rare k/eta(3)-allylic coordination mode in which the c-h bond activation occurs unexpectedly with the allylic methyl group rather than conventionally on cp ring. if the central metal was changed to lutetium, the equimolar reaction between lu(ch(2)sime(3))(3)(thf)(2) and c(5)me(4)h-c(5)h(4)n exclusively afforded the bis(alkyl) product (eta(5):kappa c(5)me(4)-c(5)h(4)n)lu(ch(2)sime(3))(2) (thf) (2a). similarly, the reaction between the ligand (2 equiv) and lu(ch(2)sime(3))(3)(thf)(2) gave the mono(alkyl) complex (eta(5):kappa-c(5)me(4)-c(5)h(4)n)(2)luch(2)sime(3) (2b), in which no ligand redistribution was observed. strikingly, treatment of sc(ch(2)sime(3))(3)-(thf) 2 with c(5)me(4)h-c(5)h(4)n in either 1:1 or 1:2 ratio at 0 degrees c generated the first cyclopentadienide-based scandium zwitterionic "tuck-over" complex 3, (eta(5):kappa-c(5)me(4)h-c(5)h(4)n)sc(thf)[eta-eta(5):eta(1):kappa-c(5)me(3)(ch(2))-c(5)h(4)n] sc(ch(2)sime(3))(3). in the zwitterion, the dianionic ligand [c(5)me(3)(ch(2))-c(5)h(4)n](2-) binds both to scl(3+) and to sc2(3+), in eta(5) and eta(1)/k modes. in addition, the reaction chemistry, the molecular structures, and the mechanism are also discussed in detail. |
| 收录类别 | SCI收录期刊论文 |
| 语种 | 英语 |
| 公开日期 | 2012-06-07 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/44184]  |
| 专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
| 推荐引用方式 GB/T 7714 | Jian ZB,Cui DM. An Unusual Organoyttrium Alkyl Complex Containing a [C(5)HMe(3)(eta(3)-CH(2))-C(5)H(4)N-kappa](-) Ligand and an Elusive Cyclopentadienide-Based Scandium Tuck-Over Zwitterion Obtained by C-H Bond Activation[J]. chemistry-a european journal,2011,17(51):14578-14585. |
| APA | Jian ZB,&Cui DM.(2011).An Unusual Organoyttrium Alkyl Complex Containing a [C(5)HMe(3)(eta(3)-CH(2))-C(5)H(4)N-kappa](-) Ligand and an Elusive Cyclopentadienide-Based Scandium Tuck-Over Zwitterion Obtained by C-H Bond Activation.chemistry-a european journal,17(51),14578-14585. |
| MLA | Jian ZB,et al."An Unusual Organoyttrium Alkyl Complex Containing a [C(5)HMe(3)(eta(3)-CH(2))-C(5)H(4)N-kappa](-) Ligand and an Elusive Cyclopentadienide-Based Scandium Tuck-Over Zwitterion Obtained by C-H Bond Activation".chemistry-a european journal 17.51(2011):14578-14585. |
入库方式： OAI收割
来源：长春应用化学研究所
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