| abstract |
A compound having a maximum absorption in a wavelength range of 350 nm to 550 nm that functions as a dichroic dye is provided. In particular, a compound represented by formula (1) is provided. In the compound of formula (1), R 1 represents an alkyl group having 1 to 20 carbon atoms or the like; R 2 represents an acyl group having 1 to 20 carbon atoms or the like; R 3 represents a hydrogen atom or the like; and Y represents a group of formula (Y1). In the formula (Y1), * represents a bonding site with N, or a group of formula (Y2). In the formula (Y2), * represents a bonding site with N; P 1 and P 2 each independently represent āSā or the like; and Q 1 and Q 2 each independently represent āNā or the like. |