Organic compound and organic electroluminescent element comprising same

An organic compound represented by Formula 2 below:

• wherein n is an integer of 2 forming a saturated ring having 6 carbon atoms, and R1 to R8 are the same or different, and each independently selected from the group consisting of hydrogen, deuterium, a halogen, a nitro group, a cyano group, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted alkynyl group having 2 to 30 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 30 carbon atoms, a substituted or unsubstituted heteroalkyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having 6 to 30 carbon atoms, a substituted or unsubstituted heteroarylalkyl group having 6 to 30 carbon atoms, a substituted or unsubstituted alkylsilyl group having 1 to 30 carbon atoms, a substituted or unsubstituted arylsilyl group having 6 to 30 carbon atoms and a substituted or unsubstituted aryloxy group having 6 to 30 carbon atoms, and the substituents of R1 to R8 may be the same or different, and each independently selected from the group consisting of deuterium, a urethane group, a carboxyl group, a cyano group, a nitro group, a halogen group, a hydroxyl group, a carboxylate group, an alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkynyl group having 2 to 24 carbon atoms, a cycloalkyl group having 3 to 30 carbon atoms, a heteroalkyl group having 2 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms, a heteroaryl group having 2 to 30 carbon atoms, a heteroarylalkyl group having 3 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, an alkylamino group having 1 to 30 carbon atoms, an arylamino group having 6 to 30 carbon atoms, an aralkylamino group having 6 to 30 carbon atoms, a heteroarylamino group having 2 to 24 carbon atoms, an alkylsilyl group having 1 to 30 carbon atoms, an arylsilyl group having 6 to 30 carbon atoms and an aryloxy group having 6 to 30 carbon atoms, wherein any one of R1 to R8 is represented by Formula 3 below:
• wherein L is a single bond, a substituted or unsubstituted arylene group having 6 to 18 carbon atoms, or a substituted or unsubstituted heteroarylene group having 6 to 18 carbon atoms,
• M is hydrogen, deuterium or a functional group represented by Formula 4, and
• Ar1 and Ar2 are each independently selected from the group consisting of hydrogen, deuterium, a halogen, a cyano group, a nitro group, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted alkynyl group having 2 to 24 carbon atoms, a substituted or unsubstituted heteroalkyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms, a substituted or unsubstituted heteroarylalkyl group having 6 to 30 carbon atoms, a substituted or unsubstituted alkylsilyl group having 1 to 30 carbon atoms and a substituted or unsubstituted arylsilyl group having 6 to 30 carbon atoms,
• Ar1 and Ar2 are connected to each other, forming any one of 6- to 18-membered rings including one or more N, O or S, and
• R9 and R10 are the same or different, and each independently selected from the group consisting of hydrogen, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 12 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 10 carbon atoms, a halogen, a cyano group, a substituted or unsubstituted alkylsilyl group having 1 to 30 carbon atoms and a substituted or unsubstituted an arylsilyl group having 6 to 30 carbon atoms, and the substituents of R9 and R10 are the same or different, and each independently selected from the group consisting of deuterium, a urethane group, a carboxyl group, a cyano group, a nitro group, a halogen group, a hydroxyl group, a carboxylate group, an alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkynyl group having 2 to 24 carbon atoms, a cycloalkyl group having 3 to 30 carbon atoms and a heteroalkyl group having 2 to 30 carbon atoms, and
• the substituents of L, Ar1 and Ar2 are the same or different, and each independently deuterium, a urethane group, a carboxyl group, a cyano group, a nitro group, a halogen group, a hydroxyl group, a carboxylate group, an alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkynyl group having 2 to 24 carbon atoms, a cycloalkyl group having 3 to 30 carbon atoms, a heteroalkyl group having 2 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms, a heteroaryl group having 2 to 30 carbon atoms, a heteroarylalkyl group having 3 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, an alkylamino group having 1 to 30 carbon atoms, an arylamino group having 6 to 30 carbon atoms, an aralkylamino group having 6 to 30 carbon atoms, a heteroarylamino group having 2 to 24 carbon atoms, an alkylsilyl group having 1 to 30 carbon atoms, an arylsilyl group having 6 to 30 carbon atoms and an aryloxy group having 6 to 30 carbon atoms;
• with the proviso that when R9 and R10 is hydrogen, R8 cannot be an alkyl group and when R1-R8 is hydrogen R9 and R10 cannot be hydrogen.