Patent ID: 8092891
Filing Date: 2012-01-10
Classification: C07D,C09B,G11B

Abstract:
1. A cyanine compound represented by the following general formula (IV): wherein, R wherein the general formula (II) and the general formula (II′) are: wherein in the above general formula (II): a bond between W and T is a double bond, a conjugated double bond, or a triple bond; W represents a carbon atom; T represents a carbon atom or a nitrogen atom; x, y, and z represent 0 or 1; “a” represents a number of 0 to 4; R wherein in the above general formula (II′): a bond between W′ and T′ is a double bond or a conjugated double bond; W′ represents a carbon atom; T′ represents a carbon atom or a nitrogen atom; a′ represents a number of 0 to 4; a ring containing W′ and T′ represents a 5-membered ring that may contain a hetero atom, a 6-membered ring that may contain a hetero atom, a naphthalene ring, a quinoline ring, an isoquinoline ring, an anthracene ring, or an anthraquinone ring; and the ring containing W′ and T′ may be substituted by a halogen atom, a nitro group, a cyano group, an alkyl group, or an alkoxy group; and wherein the general formula (III) is: wherein, R