isopropoxides 1–8 have been prepared by the reaction of Ti(O-i-Pr)4 with a series of corresponding tetradentate Salan-type [ONNO] ligands with benzyl or methyl substituents on bridging nitrogen atoms. They have been characterized by 1H NMR, 13C1H} NMR, and elemental analysis. Solid state structures of compounds 2, 4, 6, and 7 have been determined by X-ray crystallography. X-ray diffraction analysis
几个
钛异丙醇盐1 - 8已经制备的Ti的反应(O-我-Pr)4与一系列对应的四齿萨兰型[ONNO]
配体与桥接氮原子的苄基或甲基的取代基。它们的特征在于1 H NMR,13 C 1 H} NMR和元素分析。化合物的固态结构2,4,6,和7已通过X射线晶体学确定。X射线衍射分析和11 H NMR证实这些
钛络合物都是在固态和溶液结构中具有六配位中心
钛的单体种类。复合物2,4,6,和8与桥接氮的取代基的苄基,得到P
LA与分子量大于化合物高1,3,5,和7与甲基取代基一样。