Synthesis and structure of N-(2-silatranylethyl)imidazoles
摘要:
Organosilicon imidazole derivatives containing a 2-silatranylethyl [N(CH2CH2O)(3)Si(CH2)(2)] group on the nitrogen atom were synthesized, and their steric and electronic structures, including the nature of interaction between the imidazole and silatrane fragments, were studied by X-ray analysis and H-1, C-13, and Si-29 NMR spectroscopy.
The reaction of trimethoxy(vinyl)silane with diazoles in the presence of metal lithium was studied. The structure of the reaction products was assigned by NMR spectroscopy (H-1, C-13, Si-29, COSY, NOESY, HMBC, and HSQC). An explanation for the different reactivities of reagents (aliphatic amines, diazoles, allylalkylsilanes, vinylalkylsilanes, and vinylalkoxysilanes) was provided.