Incorporating Trimethylaluminium into the Structures of Alkali Metal (Li, Na, K, Cs) dihydropyridines
作者:Shay P. Docherty、Sumanta Banerjee、William Clegg、Fiona J. Palin、Alan R. Kennedy、Stuart D. Robertson、Robert E. Mulvey
DOI:10.1002/zaac.202200356
日期:2023.3
yldihydropyridines with AlMe3 in the presence of a polydentate N-donor ligand has delivered four crystallographically verified alkali-metal aluminates [donor⋅AM(μ-tBuDHP)AlMe3]n (1, AM=Li, donor=TMEDA, n=1; 2, AM=Na, donor=PMDETA, n=1; 3, AM=K, donor=PMDETA, n=2; 4, AM=Cs, donor=PMDETA, n=∞; TMEDA=N,N,N′,N′-tetramethylethylenediamine; PMDETA=N,N,N′,N′′,N′′-pentamethyldiethylenetriamine). While the
在多齿N-供体
配体存在下,等摩尔量的 1-碱
金属-2-叔丁基
二氢吡啶与 AlMe 3的共络合产生了四种经结晶学验证的碱
金属铝酸盐 [donor⋅
AM(μ- t Bu
DHP)AlMe 3 ] n ( 1 ,
AM=Li, donor=TME
DA, n=1; 2 ,
AM=Na, donor=
PMDETA, n=1; 3 ,
AM=K, donor=
PMDETA, n=2; 4 ,
AM= Cs, donor=
PMDETA, n=∞; TME
DA= N , N , N' , N' -tetr
AMethylethylenedi
AMine;
PMDETA= N , N , N', N'' , N'' -五甲基
二亚乙基三胺)。虽然单体配合物 ( 1 , 2 ) 和聚合物配合物 ( 4 ) 是热稳定的,但二聚配合物 ( 3 ) 经历歧化过程,产生已知的离子分离均阴离子配合物 [K ⋅ (
PMDETA)