High molecular weight polyethylenes of narrow dispersity promoted using bis(arylimino)cyclohepta[<i>b</i>]pyridine-cobalt catalysts <i>ortho</i>-substituted with benzhydryl & cycloalkyl groups
作者:Mingyang Han、Qiuyue Zhang、Ivan I. Oleynik、Hongyi Suo、Gregory A. Solan、Irina V. Oleynik、Yanping Ma、Tongling Liang、Wen-Hua Sun
DOI:10.1039/d0dt00576b
日期:——
synthesize sterically enhanced bis(imino)cyclohepta[b]pyridine-cobalt(II) chlorides, [2-(Ar)NCMe}-9-N(Ar)}C10H10N]CoCl2 (Ar = 2-(C5H9)-4,6-(CHPh2)2C6H2Co1, 2-(C6H11)-4,6-(CHPh2)2C6H2Co2, 2-(C8H15)-4,6-(CHPh2)2C6H2Co3, 2-(C12H23)-4,6-(CHPh2)2C6H2Co4, 2,6-(C5H9)2-4-(CHPh2)C6H2Co5). All five complexes have been characterized by a combination of FT-IR spectroscopy, elemental analysis and single crystal
一锅模板策略已被用于合成空间增强的双(亚氨基)环庚[ b ]吡啶-钴(II)氯化物,[2-(Ar)N CMe} -9- N(Ar)} C 10 H 10 N] CoCl 2(Ar = 2-(C 5 H 9)-4,6-(CHPh 2)2 C 6 H 2 Co1,2-(C 6 H 11)-4,6-(CHPh 2)2 C 6 H 2 Co2,2-(C 8 H 15)-4,6-(CHPh 2)2 C6 H 2 Co3,2-(C 12 H 23)-4,6-(CHPh 2) 2 C 6 H 2 Co4,2,6-(C 5 H 9) 2 -4-(CHPh 2)C 6 H 2 Co5)。所有五种配合物的特征均在于FT-IR光谱,元素分析和单晶X射线衍射。Co1, Co3和Co5的分子结构突显了2-环烷基-6-苯甲基或2,6-二环戊基赋予的基本位阻邻位取代模式 每种情况下都显示出扭曲的方形锥体形状。在用甲