Naphthalocyanine dye and method for producing the same

摘要

A compound of the following formula (I): wherein Q¹¹, Q²¹, Q³¹ and Q⁴¹ represent a non-metallic atomic group necessary for forming a hetero ring; R¹², R²², R³² and R⁴² represent a substituent; n11, n12, n21, n22, n31, n32, n41 and n42 indicate an integer of from 0 to 6; provided that (n11+n21+n31+n41) is not 0; M¹ represents two hydrogen atoms, two monovalent metal atoms, a divalent metal atom, or a divalent substituted metal atom including a trivalent or tetravalent metal atom.