稀土化学2-陈亚运

1、稀土元素在有机合成中的应用姓名：陈亚运 专业：应用化学 学号：156061203 班级：化工2班一种新型一种新型F F- -引发脱氢及氧化脱氰基的荧光探针引发脱氢及氧化脱氰基的荧光探针 阴离子探针的识别原理如下：阴离子探针的识别原理如下： 基于基于C-HC-H键的阴离子探针键的阴离子探针以往报道的N-H键对阴离子识别主要是基于静电作用，氢键作用，金属配位效应，随后发现一些列的咪唑类化合物对阴离子的识别主要是基于C-H键的静电相互作用，如引入合适的推拉电子基团能够使受体中的C-H键，表现出强于N-H键。Inorg. Chem. 2006, 45, 82058210. 我们设计如下试验方案与路线：

2、我们设计如下试验方案与路线： 稀土元素的特点： 1、价电子在4f轨道上，性质类似碱金属和碱土金属。 2、镧系元素常常显示相似的化学性质。 3、氧化态主要是3价 4、性质上的差异主要是离子半径的逐渐变化。 5、属于硬酸。 6、不符合18电子规则，配位数很高。合成方法1、三价稀土化合物的合成LnCl3 + 2RM R2LnCl可以转化为稀土氢化物、烷(芳)基化物、烷(芳)氧基化物、烯丙基化合物等。对于稀土化合物没有CO、烯烃络合物的报道，1994年第一次报道了烯烃卡宾络合物(A. J. Arduengo, et al. J. Am. Chem. Soc., 1994, 116, 7927.)2、两

3、价稀土化合物的合成、Ln + NH3(l) + HCp Cp2Ln、Ln + C5Me5H(l) (C5Me5)2Ln、LnX2 + 2RM R2Ln、R2LnX + Na R2Ln稀土化合物在均相催化中的应用(一)、在有机合成中的应用1、氢化，稀土氢化物作催化剂2、氢胺化3、醛的二聚、三聚反应4、异氰酸苯酯的二聚、三聚反应5、稀土烷氧基参与的反应6、其它反应 在高分子合成中的应用 1、催化烯烃聚合 2、催化甲基丙烯酸甲酯的聚合 3、催化己内酯的开环聚合 4、催化丙烯腈的聚合相关文献1 Elisa Alonso, Andrew M. Sherman, Timothy J. Wallington

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