Coumarin compound, material for light emitting device and organic electroluminescent device

A compound represented by the following Formula (1):

• φ(Z)m (1)
• (in Formula (1), φ represents an aromatic group or a heteroaromatic group of an m valence which is constituted by one or plural five-membered rings or six-membered rings and which may be substituted;
• Z represents a coumarin residue represented by the following Formula (1-Z) which is bonded to 0 described above and which is the same as or different from each other;
• and m is 2 or more);
• (in Formula (1-Z), R1, R2, R3 and R4 each represent independently hydrogen, alkyl which may be substituted, alkenyl which may be substituted, alkynyl which may be substituted, alkoxy which may be substituted, alkylthio which may be substituted, aryl which may be substituted, aryloxy which may be substituted, arylthio which may be substituted, arylalkyl which may be substituted, arylalkoxy which may be substituted, arylalkylthio which may be substituted, arylalkenyl which may be substituted, arylalkynyl which may be substituted, arylsulfonyloxy which may be substituted, alkylsulfonyloxy which may be substituted, heteroaryl which may be substituted, cycloalkyl which may be substituted, halogen, cyano, nitro or hydroxyl;
• Ar each represents independently aryl which may be substituted or heteroaryl which may be substituted;
• and
• R1 and R2, R2 and R3, R1 and R2 and R3, or Ar and Ar may be condensed with each other to form a ring(s)).