环戊二烯基与茚基取代基。衍生自多功能配体Me 2 Si(C 9 H 7)(C 2 B 10 H 11)的有机酚酞配合物和双甲硼烷化合物
摘要:
通用化合物Me 2 Si(C 9 H 7)(C 2 B 10 H 11)可以方便地转化为单阴离子[Me 2 Si(C 9 H 6)(C 2 B 10 H 11)] Na,二价阴离子[Me 2 Si(C 9 H 6)(C 2 B 10 H 10)] Na 2和三价阴离子[Me 2 Si(C 9 H 6)(C 2 B 10 H 11)] K 3分别用1当量或过量的NaH或K金属在THF中处理。LnCl的反应3与1个当量的[本人2的Si(C 9 H ^ 6)(C 2乙10 ħ 11)]的Na的THF,得到二氯化物络合物[η 5 -Me 2的Si(C 9 H ^ 6)(C 2乙10 H 11)] LnCl 2(THF)3(Ln = Nd(1),Er(2))。它们可以进一步与另一当量的[Me 2 Si(C 9ħ 6)(C 2乙10 ħ 11)]的Na,得到一氯化物配合物[η 5 -Me 2的Si(C
Me 2 Si(C 9 H 7)Cl与1当量的Li 2 C 2 B 10 H 10的反应在水解后产生新的通用配体Me 2 Si(C 9 H 7)(C 2 B 10 H 11) (1)。1可以方便地转换为单阴离子[Me 2 Si(C 9 H 6)(C 2 B 10 H 11)] -(2)和二价阴离子[Me 2的Si(C 9 H ^ 6)(C 2乙10 ħ 10)] 2 - (3),分别用1倍当量或过量的NaH,治疗。SMI处理2与2的THF,得到意想不到的氧化还原产物[ η 5:η 6 -Me 2的Si(C 9 H ^ 6)(C 2乙10 ħ 11)]的Sm(THF)2(4)。SmI 2与1当量3的反应在THF中,随后通过与2,得到意想不到的C-H键的还原产物[{ η 5:σ -Me 2的Si(C 9 H ^ 6)(C 2乙10 ħ 10)} 2 SM]的[Na(THF )6 ](5)。与此
Synthesis and Structure of the First Tetranuclear Organolanthanide Cluster Containing a <i>μ</i><sub>4</sub>-Imido Group
作者:Zuowei Xie、Shaowu Wang、Qingchuan Yang、Thomas C. W. Mak
DOI:10.1021/om981002j
日期:1999.4.1
Reaction of Me2Si(C9H7)(C2B10H11) with 4 equiv of NaNH2 in, dry THF, followed by treatment with 1 equiv of LnCl(3), gave unprecedented tetranuclear clusters of the general formula [(eta(5)-mu(2)-C9H6SiMe2NH)-Ln}(2)(mu(3)-Cl)(THF)](2)(mu(4)-NH). THF (Ln = Gd (I), Er (2)) in moderate yield. Their molecular structures have been. confirmed by single-crystal X-ray analyses, which represent the first organometallic clusters containing a central mu(4)-imido group.