Coordinative versatility in main group complexes of C-2,6-terphenyl substituted amidinates
作者:Marcus L. Cole、Alasdair I. McKay、Ng Sze Ping
DOI:10.1016/j.poly.2019.06.008
日期:2019.9
Abstract The synthesis and characterization of two C-2,6-terphenyl substituted amidines, N,N′-dicyclohexyl-2,6-di(4-tolyl)benzamidine and N,N′-dicyclohexyl-2,6-dimesitylbenzamidine, are described. Both crystallize as the E-syn isomer, though interconversion between the E-syn and Z-syn isomers is observed for both in solution. These amidines are readily deprotonated by either n-butyllithium in THF or AlMe3
摘要两种C-2,6-叔苯基取代的idine,N,N'-二环己基-2,6-二(4-甲苯基)苯甲m和N,N'-二环己基-2,6-二甲磺基m的合成与表征描述。尽管在溶液中都观察到了E-syn和Z-syn异构体之间的相互转化,但是两者都结晶为E-syn异构体。这些am容易被正丁基锂的THF溶液或AlMe3的甲苯溶液去质子化,分别得到THF溶剂化的lithium基锂和二甲基铝a酸盐络合物。这些配合物已使用单晶X射线晶体学进行了固态表征。在三联苯胺的二级芳烃环上的2,6-取代基的身份在the基化合物所采用的配位基序中以及在访问双(ami基)金属络合物的潜力中起着重要作用。