Bis[1,3-dimethylbarbituryl(5)]sulfid – Struktur und Reaktionen/ Bis[1,3-dimethylbarbituryl(5)]sulfide – Structure and Reactions
作者:Norbert Kuhn、Cäcilia Maichle-Mößmer、Manfred Steimann、Kamal Sweidan
DOI:10.1515/znb-2006-0505
日期:2006.5.1
Bis[1,3-dimethylbarbituryl(5)]sulfide (3, [BarbH]2S, BarbH = 1,3-dimethylbarbitur-5-yl) was obtained from 1,3-dimethylbarbituric acid (2) and SCl2 or SOCl2. The compound 3 reacted with 2,3-dihydro-1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene (7, Im) to give the imidazolium salts [ImH][BarbH-S-Barb] (8) and [ImH]2[Barb-S-Barb] (9) in which the ions are linked by hydrogen bonds. From 3 and triphenylphosphane
从 1,3-二甲基巴比妥酸 (2) 和 SCl2 或 SOCl2 获得双 [1,3-二甲基巴比妥 (5)] 硫化物 (3, [BarbH]2S, BarbH = 1,3-二甲基巴比妥-5-yl)。化合物 3 与 2,3-二氢-1,3-二异丙基-4,5-二甲基咪唑-2-亚基 (7, Im) 反应得到咪唑鎓盐 [ImH][BarbH-S-Barb] (8) 和[ImH]2[Barb-S-Barb] (9) 其中离子通过氢键连接。由3和三苯基膦得到两性离子化合物Barb-S-PPh3(10)。讨论了化合物3、8、9和10的晶体结构。