HOLE TRANSPORT COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENT HAVING HIGH HEAT STABILITY, METHOD FOR PRODUCING THE HOLE TRANSPORT COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT

摘要

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).