Tetradentate ligands, gold(III) complexes, preparation method and use thereof

A gold (III) complex, wherein the gold (III) complex has a chemical structure as shown in formula (I):

• wherein
• X1, X2, X3 are independently selected from carbon and nitrogen, and only one of X1, X2, X3 is nitrogen;
• Y1 is O, CR15R16 or S;
• R1-R16 are independently selected from hydrogen, deuterium, halogen, nitro, cyano, isocyano, trifluoromethyl, or independently selected from the following substituted or unsubstituted groups:
• C1-15 alkyl, C3-18 cycloalkyl, C2-15 alkenyl, C3-18 cycloalkenyl, C2-15 alkynyl C6-30 aryl, C7-35 aralkyl, C2-20 heteroalkyl, C3-20 heterocycloalkyl, C5-30 heterocycloalkenyl, C5-30 heteroaryl, C6-30 heteroaralkyl, C1-20 alkoxy, C6-30 aryloxy, C5-30 heteroaryloxy, NR17R18, acyl acylamino, acyloxy, ester group, acylamido, sulfonylamino, sulfonyloxy, sulfonato, sulfonylamido and trialkylsilyl;
• wherein R17 and R18 are independently selected from the following substituted or unsubstituted groups:
• C1-15 alkyl, C3-18 cycloalkyl, C2-15 alkenyl, C3-18 cycloalkenyl, C2-15 alkynyl, C6-40 aryl, C7-45 aralkyl, C2-20 heteroalkyl, C3-20 heterocycloalkyl, C5-30 heterocycloalkenyl, C5-30 heteroaryl, C6-30 heteroaralkyl, C1-20 alkoxy, C6-30 aryloxy and C5-30 heteroaryloxy;
• the NR17R18 is a group represented by the following structure or a derivative group of the group represented by the following structure in which a hydrogen is substituted by one or more, same or different substituents:
• wherein, Y2 is O, S, CR20R21, SiR22R23 or NR24, R20-R24 are independently selected from hydrogen, deuterium, halogen, substituted or unsubstituted C1-15 alkyl, substituted or unsubstituted C6-30 aryl;
• the substituents in the substituted derivative groups are halogen, C1-20 alkyl, C1-20 alkoxy, C1-20 alkylthio, 5-6 membered cycloalkyl, 5-6 membered heterocycloalkyl, C6-30 aryl, C6-30 aryloxy, C5-30 heteroaryl, C2-15 alkenyl, or C2-15 alkynyl.