A bibenzo[d]imidazolidene compound inert to oxygen is provided. An aspect of the invention provides a 1,1',3,3'-tetraphenyl-2,2'-bibenzo[d]imidazolidene compound according to Claim 1, which is represented by general formula (1). In formula (1), R1 to R28 are each independently selected from a hydrogen atom and a substituent. The substituent is any of a halogen atom, an alkyl group containing 1 or more and 8 or less carbon atoms, and a substituted or unsubstituted aryl group. At least one of R1 to R28 is the substituent.
提供一种对
氧气惰性的双苯并[ d ]
咪唑烷化合物。发明的一个方面提供了根据权利要求1提供的1,1',3,3'-四苯基-2,2'-双苯并[ d ]
咪唑烷化合物,其由通式(1)表示。在式(1)中,R1至R28分别独立地选自氢原子和取代基。取代基是卤素原子、含有1个或多个碳原子和8个或更少碳原子的烷基基团,以及取代或未取代的芳基基团中的任何一种。R1至R28中至少有一个是取代基。