Organic compound and organic electroluminescent device comprising the organic compound

The invention provides an organic compound and an organic electroluminescent device comprising the organic compound. The chemical formula of the organic compound is shown in abstract appended drawings, wherein R , R , R , R , R , R and R represent respectively same or different substituent groups such as hydrogen, C1-8 alkyl group, C1-8 alkoxy group, C1-8 alkylhalide group,aromatic group, heteroaryl group, cycloalkyl group, heterocyclic group and cycloaliphatic group, and Z independently represents one of groups shown in drawings of the description, wherein R and R represent respectively same or different substituent groups such as aromatic group, heteroaryl group, cycloalkyl group, heterocyclic group and cycloaliphatic group.