SQUARYLIUM COMPOUND, METAL COMPLEX THEREOF, AND ORGANIC EL ELEMENT CONTAINING THESE

摘要

The following [1] to [3] are provided. A squarylium compound represented by the general formula (I): (I) wherein R<1> and R<2> are the same or different and each represents hydrogen, optionally substituted alkyl, etc.; R<3>, R<4>, R<5>, and R<6> are the same or different and each represents hydrogen, optionally substituted alkyl, etc.; and R<7>, R<8>, R<9>, and R<10> are the same or different and each represents hydrogen, hydroxy, halogeno, optionally substituted amino, etc. A metal complex of a squarylium compound represented by the general formula (I). An organic EL element characterized by containing either of the squarylium compound and metal complex respectively described in [1] and [2].