POLYCYCLIC AROMATIC COMPOUND

To provide a compound suitable as a material for organic devices such as an organic electroluminescence element.SOLUTION: A polycyclic aromatic compound has a structure including one or more structural units represented by formula (1), where A ring represents an aryl ring or heteroaryl ring, at least substituted with a substituted/unsubstituted aryl or a substituted/unsubstituted heteroaryl; B ring represents a substituted/unsubstituted aryl ring or heteroaryl ring; C ring represents a ring represented by formula (1C); Rc1-Rc4 each represent hydrogen or a substituent; Rc5 and Rc6 represent bonds to Y1 and X2; Rd1 and Rd2 each represent methyl; Y1 represents B, and X1 and X2 each represent >N-RNX.SELECTED DRAWING: Figure 1 【課題】有機電界発光素子等の有機デバイス用材料として有用な化合物の提供。【解決手段】式（１）で表される構造単位の１つ又は２つ以上からなる構造を有する多環芳香族化合物；TIFF2024115516000336.tif71170Ａ環は置換／無置換のアリール又は置換／無置換のヘテロアリールで少なくとも置換されているアリール環又はヘテロアリール環；Ｂ環は置換／無置換のアリール環又はヘテロアリール環；Ｃ環は式（１Ｃ）で表される環；Ｒc1～Ｒc4は水素又は置換基；Ｒc5及びＲc6はＹ1及びＸ2との結合手；Ｒd1及びＲd2はメチル；Ｙ1はＢ、Ｘ1及びＸ2は＞Ｎ－ＲNXである。【選択図】図１