Naphthalocyanine compound and method for producing the same

A method for producing a naphthalocyanine compound of the following formula (IA), which comprises reacting a compound of the following formula (III) with a metal compound, said metal compound being a halide of M2, a sulfate of M2, a nitrate of M2, a cyanide of M2, an acetate of M2 or an acetylacetonate of M2:

• wherein R111, R121, R131 and R141 each independently represents a group of the following formula (II);
• R112, R122, R132 and R142 each independently represents a substituent selected from the group recited below;
• M2 represents a divalent metal atom, or a substituted metal atom including a trivalent or tetravalent metal atom, but M2 is not a divalent zinc;
• n112, n122, n132 and n142 each independently indicates an integer of from 0 to 4:
• wherein R211,R212,R213,R214, R215,R216, R217 and R218 each independently represents a hydrogen atom or a substituent selected from the group recited below;
• X211 and X212 each independently represents —O—, —S— or —N(R220)-;
• R219 and R220 each independently represents a hydrogen atom, an aliphatic group, an aromatic group, or a 5-membered or 6-membered heterocyclic group having at least one of B, N, O, S, Se and Te that bonds via its carbon atom;
• n211 indicates an integer of 2 or more;
• n212 indicates an integer of 1 or more;
• when the formula has plural R217′s, R218′s, R 220′s, X212′s and n211′s, then the plural R217′s, the plural R218′s, the plural R220′s, the plural X212′s and the plural n211′s may be the same or different;
• R211 and R212 bonding to the α-positioned carbon atom relative to the oxygen atom bonding to the naphthalene ring of the naphthalocyanine skeleton are both hydrogen atoms,
• wherein R111, R112, R121, R122, R131, R132, R141, R142, n112, n122, n132 and n142 have the same meanings as in formula (IA);
• and
• wherein the substituent represented by R112 ,R122 ,R132 ,R142 ,R211 ,R212 ,R213 ,R214 ,R215, R216, R217 and R218, each independently, is selected from the group consisting of a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxyl group, a nitro group, a carboxyl group, an alkoxy group, an aryloxy group, a silyloxy group, a heterocyclic-oxy group, an acyloxy group, a carbamoyloxy group, an alkoxycarbonyloxy group, an aryloxycarbonyloxy group, an amino group, an acylamino group, an aminocarbonylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, a sulfamoylamino group, an alkyl or arylsulfonylamino group, a mercapto group, an alkylthio group, an arylthio group, a heterocyclic-thio group, a sulfamoyl group, a sulfo group, an alkyl or arylsulfinyl group, an alkyl or arylsulfonyl group, an acyl group, an aryloxycarbonyl group, an alkoxycarbonyl group, a carbamoyl group, an aryl or heterocyclic-azo group, an imido group, a phosphino group, a phosphinyl group, a phosphinyloxy group, a phosphinylamino group, and a silyl group.