HETEROCYCLIC COMPOUND, ULTRAVIOLET RAY ABSORBENT, AND COMPOSITION COMPRISING THE ULTRAVIOLET RAY ABSORBENT
申请人:Fujifilm Corporation
公开号:EP2177524A1
公开(公告)日:2010-04-21
A compound represented by formula (I-1):
wherein R21, R22, R23 and R24 each independently represent a hydrogen atom or a monovalent substituent, with the proviso that compounds, in which R21, R22, R23 and R24 each are an alkylthio group, are excluded; R21 and R22 and/or R23 and R24 each may bond to each other to form a ring, with the proviso that compounds, in which the formed ring is a dithiol ring or a dithiolane ring, are excluded;
R25 and R26 each independently represent a hydrogen atom or a monovalent substituent; X21, X22, X23 and X24 each independently represent a hetero atom;
compounds, wherein R21, R22, R23 and R24 each represent a cyan group; X21, X22, X23 and X24 each represent a sulfur atom; and R25 and R26 each represent a hydroxyl group or a hydrogen atom, are excluded; and
compounds, wherein R21 and R23 each represent a hydrogen atom; R22 and R24 each represent an arylcarbonyl group; X21, X21, X23 and X24 each represent a sulfur atom; and R25 and R26 each represent a hydroxyl group, are excluded; and an ultraviolet absorbent, which has molecular weight of 10,000 or less and molar extinction coefficient at the maximum absorption wavelength of the ultraviolet absorbent of 80,000 or more.
式 (I-1) 所代表的化合物:
其中 R21、R22、R23 和 R24 各自独立地代表氢原子或一价取代基,但不包括 R21、R22、R23 和 R24 各自为烷硫基的化合物;R21 和 R22 和/或 R23 和 R24 可相互键合形成环,但不包括所形成的环为二硫醇环或二硫环的化合物;
R25和R26各自独立地代表氢原子或单价取代基; X21、X22、X23和X24各自独立地代表杂原子;
化合物,其中 R21、R22、R23 和 R24 各自代表一个氰基;X21、X22、X23 和 X24 各自代表一个硫原子;以及 R25 和 R26 各自代表一个羟基或一个氢原子。
化合物,其中 R21 和 R23 各代表一个氢原子;R22 和 R24 各代表一个芳羰基;X21、X21、X23 和 X24 各代表一个硫原子;以及 R25 和 R26 各代表一个羟基。