| abstract |
Disclosed is a compound which exhibits absorption in a wavelength region of 550 to 900 nm and is excellent in terms of applied characteristics. A terylene derivative and a quaterylene derivative represented by the following formula I: [Wherein, X is bonded to each other by a group such as —C (O) OC (O) — to form a 6-membered ring, or both represent a hydrogen atom or the like, and Y is mutually bonded to —C (O) OC ( O)-or the like to form a 6-membered ring, or both represent a hydrogen atom, R represents an aryloxy group, m is 1 or 2, and n is m = 1 3 to 6 and 2 to 8 when m = 2. ] [Selection figure] None |