AMINE-CONTAINING PHOSPHINE COMPOUND

摘要

The present invention provides a compound that is a ligand having superior hole injection properties and/or transport properties and able to form a metal complex having superior hole injection properties and/or transport properties. Specifically, the present invention provides a compound represented by formula (A). (In the formula, each Q1 is compound 2. The two instances of Q1 may be the same or different. R1 is divalent organic group that may have a substituent group. Each R11 is a hydrocarbyl group that may have a substituent group. The two instances of R11 bonded to the same Q1 may, together with the Q1 bonded to, form a ring. The four instances of R11 may be the same or different. At least one group selected from R1 and the four instances of R11 has a diarylamino group as a substituent group.)