| 摘要 |
PROBLEM TO BE SOLVED: To obtain a new amine compound and to provide an organic electroluminescent element having excellent heat resistance, a long emission life and excellent durability. SOLUTION: The amine compound is represented by formulae (1) and/or (1') [wherein, Ar<SB>1</SB>, Ar<SB>2</SB>, Ar<SB>3</SB>and Ar<SB>4</SB>denote each independently a substituted or an unsubstituted aromatic hydrocarbon group or a substituted or an unsubstituted aromatic heterocyclic group; Ar<SB>1</SB>and Ar<SB>2</SB>or Ar<SB>3</SB>and Ar<SB>4</SB>are mutually bound to form a nitrogen-containing heterocyclic group; Z<SB>1</SB>, Z<SB>2</SB>, Z<SB>3</SB>, Z<SB>4</SB>, Z<SB>5</SB>and Z<SB>6</SB>denote each hydrogen atom, a halogen atom or an (O)n-Z group (wherein, Z denotes a straight-chain, a branched chain or a cycloalkyl group which is substituted or unsubstituted or a substituted or an unsubstituted aryl group; and (n) denotes 0 or 1); R<SB>1</SB>to R<SB>8</SB>denote each hydrogen atom, a straight-chain, a branched chain or a cycloalkyl group which is substituted or unsubstituted or a substituted or an unsubstituted aryl group; and Ys denote each oxygen atom or sulfur atom]. COPYRIGHT: (C)2005,JPO&NCIPI
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