New silatranes possessing urea functionality: Synthesis, characterization and their structural aspects
作者:Jugal Kishore Puri、Raghubir Singh、Varinder Kaur Chahal、Raj Pal Sharma、Jörg Wagler、Edwin Kroke
DOI:10.1016/j.jorganchem.2010.12.039
日期:2011.4
N-(3-silatranylpropyl)-N′-(3-silatranylpropyl)urea (8), respectively. Among these are four novel compounds (5–8), which were characterized by elemental analysis, IR, multinuclear (1H, 13C and 29Si) NMR and mass spectroscopy. Structures of compounds 5 and 6 were deduced by X-ray crystallography. Single crystal X-ray studies revealed distorted trigonal bipyramidal coordination about Si in 5 and 6 with Si–N
本工作旨在合成具有取代的尿素官能团的各种新颖的硅杂环丁烷。将各种胺(吗啉,苯胺,乙二胺和3-氨基丙基三乙氧基硅烷)亲核加成到3-异氰酸根合丙基三乙氧基硅烷中,得到四种三乙氧基硅烷。N- [3-(三乙氧基甲硅烷基)丙基]吗啉-4-羧酸酰胺(1),1- [3-(三乙氧基甲硅烷基)丙基] -3-苯基脲(2),1,2-双 N '-[3 -(三乙氧基甲硅烷基)丙基]脲基}-乙烷(3)和N- [3-(三乙氧基甲硅烷基)丙基] -N'-[3-(三乙氧基甲硅烷基)丙基]脲(4)), 分别。在碱的存在下,所得硅烷与三乙醇胺进行酯交换反应,从而形成相应的硅杂环丁烷,N-(3-硅氧烷基丙基)吗啉-4-羧酸酰胺(5),1-(3-硅氧烷基丙基)-3-苯基脲(6)分别为1,2-双[ N '-(3-硅氨丙基丙基)脲基]-乙烷(7)和N-(3-硅氨丙基丙基)-N'-(3-硅氨丙基丙基)脲(8)。在这些四个新的化合物(5