| abstract |
A naphthalocyanine compound of formula (I): n n n n n n n n n n wherein R 111 , R 121 , R 131 and R 141 represent a group of formula (II); R 112 , R 122 , R 132 and R 142 represent a substituent; M 1 represents two hydrogen atoms, two monovalent metal atoms, etc.; n112, n122, n132 and n142 are 0 to 4; R 211 -R 218 represent H or a substituent; X 211 and X 212 represent —O—, —S— or —N(R 220 )—; R 219 and R 220 represent H, an aliphatic group, etc.; n211 is 2 or more; and n212 is 1 or more. |