the preparation of silyl nitronates is described (see 1–10). NMR. spectral investigations indicate a rapid 1,3-silyl migration process, with an activation energy of about 10 kcal mol−1. X-ray crystallographic studies on the silyl nitronates 3 and 8 show structures that lean towards an SN2 retention pathway at silicon.
描述了一种高效,灵活的制备
甲磺酸硅烷基酯的方法(参见1-10)。核磁共振。光谱研究表明,快速的1,3-甲
硅烷基迁移过程具有约10 kcal mol -1的活化能。对甲
硅烷基
磺酸盐3和8的X射线晶体学研究表明,其结构倾向于向S N 2保留在
硅的路径。