作者:Martyn P. Coles、Majid S. Khalaf、Peter B. Hitchcock
DOI:10.1016/j.ica.2014.05.021
日期:2014.10
bis(guanidine) compound H2Chpp}2 (hppH = 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine) was deprotonated at the bridging methylene group to generate the corresponding carbanion, [CHhpp}2]−. The in situ reaction with EMe3Cl (E = Si, Sn) afforded the organo-element compounds HCSiMe3}hpp}2 (1) and Sn(HChpp}2)Me3 (2). Structural characterization of 1 and 2 showed a tendency for the guanidine groups of the
摘要双(胍)化合物H2C hpp} 2(hppH = 1,3,4,6,7,8-六氢-2H-嘧啶[1,2-a]嘧啶)在桥连的亚甲基处去质子化以生成相应的碳负离子[CH hpp} 2]-。与EMe3Cl(E = Si,Sn)的原位反应得到有机元素化合物HC SiMe3} hpp} 2(1)和Sn(HC hpp} 2)Me3(2)。1和2的结构特征表明有机金属配体的胍基倾向于与更重的14号元素相互作用,并且锡化合物包含主要的脂族N,C,N'-钳位配体的稀有实例组元素。尝试制备二氯化铝可得到离子化合物[Al(HC hpp} 2] [AlCl4](3),其中含有独特的六配位(di)organoalumenenium阳离子。