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HOLE TRANSPORT COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENT HAVING HIGH HEAT STABILITY, METHOD FOR PRODUCING THE HOLE TRANSPORT COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT
HOLE TRANSPORT COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENT HAVING HIGH HEAT STABILITY, METHOD FOR PRODUCING THE HOLE TRANSPORT COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT
PROBLEM TO BE SOLVED: To obtain a hole transport compound having excellent heat stability, to provide a method for producing the hole transport compound and to obtain an organic electroluminescent element. SOLUTION: This hole transport compound for an organic electroluminescent element is characterized in that the compound is represented by the following chemical formula (1) (R is hydrogen, a 1-12C aliphatic alkyl group, a branched alkyl group, a cyclic alkyl group or a 4-14C aromatic group and the aromatic group may be substituted with one or more alkoxy groups or amines).
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