作者:Arjen M. Reichwein、Willem Verboom、David N. Reinhoudt
DOI:10.1002/recl.19931120609
日期:——
Binaphthyl salophen crown ethers 1 and 2, containing an immobilized electrophilic uranyl cation, were synthesized by cyclization of dialdehyde 10 with 1,2-benzenediamine (14) or cis-1,2-cyclohexanediamine (15), respectively, in the presence of Ba2+ as a template ion and subsequent transmetallation with UO22+. Solid complexes of urea and 1 and 2 were isolated. Molecular-mechanics calculations show that
通过在Ba的存在下分别用1,2-苯二胺(14)或顺式-1,2-环己二胺(15)对二醛10进行环化反应,合成了含有固定的亲电子性铀酰阳离子的双萘酚盐二酚冠醚1和2。2+作为模板离子,随后与UO 2 2+进行金属转移。分离出尿素与1和2的固体复合物。分子力学计算表明1和2的几何 适用于在金属大环的腔附近引入官能团。