| 摘要 |
<p>A cyanine compound represented by the general formula (I), (VI) or (VII):
wherein ring-A 1 is an optionally substituted benzene or naphthalene ring; B is a group represented by the general formula (II) or (III); R 1 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, or an aryl group having 6 to 30 carbon atoms; R 2 is a substituent represented by the general formula (IV); and Y 1 is a hydrogen atom, an organic group having 1 to 30 carbon atoms, or a substituent represented by the general formula (IV):
wherein ring-A 2 is the same as the ring-A 1 in the general formula (I); Y 4 and Y 5 each are independently the same as Y 1 in the general formula (I); X 2 is the same as X 1 in the general formula (I); R 10 is the same as R 1 in the general formula (I); R 11 is the same as R 2 in the general formula (I); R 23 and R 24 are the same as R 21 and R 22 in the formulas (II) and (III); n is an integer of 0 to 6; the polymethine chain may have a substituent; An q- is a q-valent anion; q is 1 or 2; and p is a factor keeping the neutrality of charge.</p> |
