Naphthalocyanine dye and method for producing the same

A method for producing a compound of the following formula (IV):

• wherein L111, L112, L121, L122, L131, L141 and L142 each independently represents —O—, —N(R211)—, —S—, —C(R212)(R213)—, —CO—, —CO—N(R214)—, —SO—, —SO2—, —SO2N(R215), or a group of their combinations;
• R211, R212, R213, R214 and R215 each independently represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group;
• Q111, Q112, Q121, Q122, Q131, Q132, Q141 and Q142 each independently represents a non-metallic atomic group consisting of atoms selected from C, N, O and S and necessary for forming a 5-membered or 6-membered hetero ring along with the nitrogen atom thereof;
• R113, R123, R133 and R143 each independently represents a halogen atom, an alkyl group, an aryl group, an alkoxy group, aryloxy group, an alkylthio group or an arylthio group;
• n113, n123, n133 and n143 each independently indicates an integer of from 0 to 4;
• and
• M2 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,
• comprising converting a compound of formula (V) or (VI) to the compound of formula (IV):
• wherein L151, L152, L161 and L162 each independently represents a divalent group;
• Q151, Q152, Q161, and Q162 each independently represents a non-metallic atomic group necessary for forming a hetero ring along with the nitrogen atom thereof;
• R153 and R163 each independently represents a substituent;
• n153 and n163 each independently indicates an integer of from 0 to 4;
• and A111, A112 and A113 each independently represents an oxygen atom or NH.