intractable mixture of products. Complex 3 was also observed in trace amounts in mixtures of [Y(BIPM)(I)(THF)2] and KN**. In contrast, [Y(BIPM)(I)(THF)2] reacted with the more sterically demanding potassium bis(silyl)amides KN*† (N*† = N(SiMe2tBu)(SiiPr3)}) and KN†† (N†† = N(SiiPr3)2}) to afford the methanide cyclometalate complexes [Y(H-BIPM)N(SiiPr3)(SitBuMeCH2)-κ2-N,C)}] (4) and [Y(H-BIPM)N
                                    甲烷二氧化
钇配合物[Y(B
IPM)(I)(THF)2 ](B
IPM = C(PPh 2 NSiMe 3)2 })与一系列双(甲
硅烷基)酰胺
钾反应,通过盐复分解反应生成杂配物协议。
甲烷二
甲醚络合物[Y(B
IPM)(N'')(THF)](1 ; N''= N(SiMe 3)2 })和[Y(B
IPM)(N **)(THF)](2 ; N对于那些相对较小的双(甲
硅烷基)酰胺获得了** = N(SiMe 2 t Bu)2 })。配合物2在真空下进行热分解,生成
甲烷化物环
金属酸盐配合物[Y(H-B
IPM)N(Si t BuMe 2)(
硅吨BuMeCH 2)-κ 2 - Ñ,Ç }](3)作为产品的另外顽固混合物的一部分。在[Y(B
IPM)(I)(THF)2 ]和KN **的混合物中也观察到了痕量的配合物3。相反,[Y(B
IPM)(I)(THF)2 ]与对空间要求更高的双(甲
硅烷基)酰胺
钾KN *