Novel heteroleptic germanium(II) compounds from [2,4-di-tert-butyl-6-((dimethylamino)methyl)phenyl]germanium chloride: Synthesis, structure, and derivatization

Novel heteroleptic germanium(II) compounds from [2,4-di-tert-butyl-6-((dimethylamino)methyl)phenyl]germanium chloride: Synthesis, structure, and derivatization
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来自[2,4-二叔丁基-6-((二甲氨基)甲基)苯基]氯化锗的新型杂配锗(II)化合物:合成、结构和衍生化

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发表时间:
1999
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通讯作者:
H. Stammler
H. Stammler
中科院分区:
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文献类型:
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作者:
P. Jutzi;Silke Keitemeyer;B. Neumann;H. Stammler

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报道了以[2,4-二叔丁基-6-(二甲氨基)甲基)苯基]氯化锗(MamxGeCl(1))为原料合成新型混配锗(II)化合物。1与醇钾反应得到烷氧基取代的化合物MamxGeO-t-Bu(2)、MamxGeO-i-Pr(3)、MamxGeOEt(4)和MamxGeOMe(5)。乙炔基取代的MamxGe(C <$CPh)(6)和MamxGe(C <$CH)(7)分别由1与LiC <$CPh和NaC <$CH反应得到。烷基取代的锗(II)物质MamxGeR(R = t-Bu(8),n-Bu(9),Me(10))通过1与相应的烷基锂化合物反应形成。8−10与MeI的衍生化导致分别形成含有锗烷基阳离子[MamxGe(t-Bu)(Me)]+(11 a)、[MamxGe(n-Bu)(Me)]+(12 a)和[MamxGe(Me)2]+(13 a)的化合物。所有新的物种已通过NMR,MS和微量分析数据进行了表征。给出了3、4、6、7和11的X射线晶体结构测定。
The synthesis of novel heteroleptic germanium(II) compounds starting from [2,4-di-tert-butyl-6-((dimethylamino)methyl)phenyl]germanium chloride, MamxGeCl (1), is reported. 1 reacts with potassium alkoxides to give the alkoxy-substituted compounds MamxGeO-t-Bu (2), MamxGeO-i-Pr (3), MamxGeOEt (4), and MamxGeOMe (5). The ethynyl-substituted species MamxGe(C⋮CPh) (6) and MamxGe(C⋮CH) (7) are obtained by the reaction of 1 with LiC⋮CPh and NaC⋮CH, respectively. The alkyl-substituted germanium(II) species MamxGeR (R = t-Bu (8), n-Bu (9), Me (10)) are formed by the reaction of 1 with the corresponding alkyllithium compounds. Derivatization of 8−10 with MeI leads to the formation of compounds containing the germyl cations [MamxGe(t-Bu)(Me)]+ (11a), [MamxGe(n-Bu)(Me)]+ (12a), and [MamxGe(Me)2]+ (13a), respectively. All new species have been characterized by NMR, MS, and microanalytical data. X-ray crystal structure determinations are presented for 3, 4, 6, 7, and 11.