Anti-blue light compound, preparation method and application thereof

An anti-blue light compound of formula (1),

• R1˜R3 are a bond or/and any divalent linking groups;
• A˜C are unsubstituted or one or more R4 substituted benzene ring, benzo carbocyclic ring, nitrogen-containing heterocyclic ring, or benzo nitrogen-containing heterocyclic ring;
• R4 is each independently selected from hydrogen, halogen, hydroxyl, amino, nitro, cyano, linear or branched C1˜C18 alkyl, C1˜C18 alkenyl, phenyl, OR5, SR5, SO2R5, SO3R5, COOR5, COR5, OCOR5, C(O)NR6R7, SO2NR6R7, and NR6R7, wherein R5, R6, and R7 are independently hydrogen, or linear or branched C1˜C8;
• X is one or more groups, each independently selected from COOR8, CN, CONR6R7 and COR8, wherein R8 is selected from H, linear or branched C1˜C18 alkyl, C1˜C18 alkenyl, and polyethylene glycol with molecular weight 50˜1000 daltons;
• Z is a carbon atom, Z and R3 are connected via single, or double, or triple bond;
• Z and X, are connected via 1˜3 single bonds, wherein n=1˜3;
• [A]r ring and R1 are connected via 1 or 2 single bonds, wherein r=1˜2;
• C ring and R3 are connected via 1 or 2 or 3 single bonds, wherein m=1˜3.