| 摘要 |
A naphthalocyanine dye of formula (I) is provided: wherein M is a metal group or is absent; R1 and R2 are independently selected from hydrogen or C1-12 alkoxy; X is selected from O, S or -NH-; Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, Ar7 and Ar8 are selected from phenyl, naphthyl, pyridyl, furanyl, pyrollyl, thiophenyl, each of Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, Ar7 and Ar8 being optionally substituted with 1, 2, 3, 4 or 5 groups, the or each group being independently selected from C1-12 alkyl, C1-12 alkoxy, C1-12 arylalkyl, C1-12 arylalkoxy, -(OCH2CH2)dORd, cyano, halogen, amino, hydroxyl, thiol, -SRv, -NRuRv, nitro, phenyl, phenoxy, -CO2Rv, -C(O)Rv, -OCORv, -SO2Rv, -OSO2Rv, -NHC(O)Rv, -CONRuRv, -CONRuRv, sulfonic acid, sulfonic acid salt and sulfonamide; d is an integer from 2 to 5000; Rd is H, C1-8 alkyl or C(O)C1-8 alkyl; and Ru and Rv are independently selected from hydrogen, C1-12 alkyl, phenyl or phenyl-C1-8 alkyl.
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