A nitrogen-containing heterocyclic derivative represented by the following formula (1):
wherein any "12-a" groups of R1 to R12 are independently a hydrogen atom, a fluorine atom, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms or a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms; any "a" groups of R1 to R12 are independently a single bond which is bonded to L1; L1 is a single bond, a "b+1" valent substituted or unsubstituted hydrocarbon ring group having 6 to 30 ring carbon atoms or a "b+1" valent substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms;
HAr is a substituted or unsubstituted nitrogen-containing heterocyclic group; and
"a" and "b" are independently an integer of 1 to 4, and at least one of "a" and "b" is 1. Also disclosed is a nitrogen-containing heterocyclic derivative represented by the following formula (21) or (31):
下式(1)所代表的含氮杂环衍
生物:
其中 R1 至 R12 的任一 "12-a "基团独立地为氢原子、
氟原子、具有 6 至 30 个环碳原子的取代或未取代芳基或具有 5 至 30 个环原子的取代或未取代杂环基;R1 至 R12 中的任何 "a "基独立地为单键,与 L1 键合;L1 为单键、具有 6 至 30 个环碳原子的 "b+1 "价取代或未取代的烃环基或具有 5 至 30 个环原子的 "b+1 "价取代或未取代的杂环基;
HAr 是取代或未取代的含氮杂环基团;以及
"a "和 "b "独立地为1至4的整数,且 "a "和 "b "中至少有一个为1。 还公开了由下式(21)或(31)表示的含氮杂环衍
生物: