Polycyclic aromatic compounds

Abstract

SOLUTION: There is provided a polycyclic aromatic compound having a structure comprising one or two or more structural units represented by a following formula (1): (wherein, A ring, B ring and C ring are a substituted or unsubstituted aryl ring or a substituted or unsubstituted heteroaryl ring, Y is>B-,>P-,>P(=O)- or >P(=S)-, X is>C(-RX1)-,>N- or>Si(-RX3)-, RX1 and RX3 are a substituted or unsubstituted aryl or the like, Z is>N-RZ2 or the like, RZ2 is a substituted or unsubstituted aryl or a substituted or unsubstituted heteroaryl or the like, L represents a linking group), which is useful as a material for an organic device such as an organic electroluminescent element.SELECTED DRAWING: None

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