[1] [1] ZHANG S, TANG J M, ZHANG J, et al. In situ ligand formation in the synthetic processes from mononuclear Dy(III) compounds to binuclear Dy(III) compounds: synthesis, structure, magnetic behavior, and theoretical analysis［J］. Inorganic Chemistry, 2021, 60(2): 816-830.

[2] [2] MAO J W, ZHOU H, CHEN Y F, et al. Synthesis, structure, DNA interaction, and hydrolytic function toward bis(p-nitrophenyl) phosphate of a heterobinuclear macrocyclic complex［J］. Transition Metal Chemistry, 2012, 37(4): 385-391.

[3] [3] SUN G C, HE Z H, LI Z J, et al. Facile synthesis of 1, 6-bis(2-furyl)-2, 5-bis(2-hydroxy-3-formyl-5-methylbenzyl)-2, 5-diazahexane: a new dinucleating ligand［J］. Molecules, 2001, 6(12): 1001-1005.

[4] [4] JABBARI A, NIKOORAZM M, MORADI P. A V(O)-Schiff-base complex on MCM-41 as an efficient, reusable, and chemoselective nanocatalyst for the oxidative coupling of thiols and oxidation of sulfides［J］. Research on Chemical Intermediates, 2023, 49(4): 1485-1505.

[5] [5] SAGHATFOROUSH L, MOEINI K, HOSSEINI-YAZDI S A, et al. Effective anticancer activities of an acyclic symmetrical compartmental Schiff base ligand and its Co(II), Cu(II) and Zn(II) complexes against the human leukemia cell line K562［J］. Polyhedron, 2019, 170: 312-324.

[6] [6] JOSEPH J, RANI G A. Antioxidant and biochemical activities of mixed ligand complexes［J］. Applied Biochemistry and Biotechnology, 2014, 172(2): 867-890.

[7] [7] PAN Z Q, DING K, ZHOU H, et al. Syntheses, structures and properties of dinickel(II) macrocyclic complexes with two 2-thiophenoethyl pendant arms［J］. Polyhedron, 2011, 30(13): 2268-2274.

[8] [8] KOU H Z, WANG Y, DING P P, et al. Synthesis, crystal structure, phosphate hydrolysis activity and antibacterial activity of macrocyclic dinuclear Zn(II) complex with benzyl pendant-arms［J］. Journal of Molecular Structure, 2020, 1216: 128299.

[9] [9] KOU H Z, WANG Y, DING P P, et al. A new macrocyclic heterobinuclear Cu(II)-Zn(II) complex: synthesis, crystal structure, phosphate hydrolysis, and DNA binding studies［J］. Journal of Coordination Chemistry, 2019, 72(10): 1683-1696.

[10] [10] ANBU S, KANDASWAMY M, KAMALRAJ S, et al. Phosphatase-like activity, DNA binding, DNA hydrolysis, anticancer and lactate dehydrogenase inhibition activity promoting by a new bis-phenanthroline dicopper(ii) complex［J］. Dalton Transactions, 2011, 40(28): 7310-7318.

[11] [11] PENG B, GAO Z T, LI X B, et al. DNA binding, DNA cleavage and HSA interaction of several metal complexes containing N-(2-hydroxyethyl)-N’-benzoylthiourea and 1, 10-phenanthroline ligands［J］. JBIC Journal of Biological Inorganic Chemistry, 2016, 21(7): 903-916.

[13] [13] WANG Q, WILSON C, BLAKE A J, et al. The one-pot halomethylation of 5-substituted salicylaldehydes as convenient precursors for the preparation of heteroditopic ligands for the binding of metal salts［J］. Tetrahedron Letters, 2006, 47(50): 8983-8987.

[14] [14] Smart. Area detector control and integration software, Siemens analytical X-Ray systems［M］. Madison: Saint, Inc, 1996.

[15] [15] HUREAU C, BLONDIN G, CHARLOT M F, et al. Synthesis, structure, and characterization of new mononuclear Mn(II) complexes. electrochemical conversion into new oxo-bridged Mn2(III, IV) complexes. Role of chloride ions［J］. Inorganic Chemistry, 2005, 44(10): 3669-3683.

[16] [16] AZAB H A, AL-DEYAB S S, ANWAR Z M, et al. Coordination tendency of N-acetylamino acids, nucleotides, and DNA toward the luminescent bioprobes Tb(III)-bathophenanthroline or Tb(III)-anthracene-9-carboxylic acid［J］. Journal of Chemical & Engineering Data, 2011, 56(12): 4604-4622.

[17] [17] TAN C P, LIU J, CHEN L M, et al. Synthesis, structural characteristics, DNA binding properties and cytotoxicity studies of a series of Ru(III) complexes［J］. Journal of Inorganic Biochemistry, 2008, 102(8): 1644-1653.

[18] [18] FIRMO R N, DE SOUZA I C A, DA SILVA MIRANDA F, et al. A new ligand H4Lox and its iron(III) complex as a platform for the development of heterotrimetallic complexes［J］. Polyhedron, 2016, 117: 604-611.

[19] [19] LACHKAR M, GUILARD R, ATMANI A, et al. Synthesis of new binucleating cylindrical macrotricyclic ligands where two cyclam rings are in a face-to-face conformation. Characterization of their dicopper(II) and dinickel(II) complexes［J］. Inorganic Chemistry, 1998, 37(7): 1575-1584.

[20] [20] CHEN Y F, SONG H T, MAO J W, et al. Design and synthesis of two macrocyclic dinuclear copper(II) complexes with reversible binding of nitric oxide［J］. Inorganic Chemistry Communications, 2013, 27: 131-137.

[21] [21] CHENG Q R, CHEN J Z, ZHOU H, et al. Syntheses, crystal structures, and properties of two macrocyclic dinuclear Ni(II) complexes bearing 2-pyridylmethyl pendant-arms［J］. Journal of Coordination Chemistry, 2011, 64(7): 1139-1152.

[22] [22] SAKTHIVEL A, RAMAN N, MITU L. DNA interaction studies of pyrazolone- and diimine-incorporated Mn(II), Co(II), Ni(II), Cu(II), and Zn(II) complexes: synthesis, spectroscopic characterization, and antimicrobial study［J］. Monatshefte Für Chemie-Chemical Monthly, 2013, 144(5): 605-620.

[23] [23] MAHADEVAN S, PALANIANDAVAR M. Spectroscopic and voltammetric studies of copper(II) complexes of bis(pyrid-2-yl)-di/trithia ligands bound to calf thymus DNA［J］. Inorganica Chimica Acta, 1997, 254(2): 291-302.

[24] [24] WANG Y, XIAO W, MAO J W, et al. Phosphate ester hydrolysis and DNA binding capacity of two new dinuclear Ni(II) complexes［J］. Journal of Molecular Structure, 2013, 1036: 361-371.

[25] [25] SHAH A, ZAHEER M, QURESHI R, et al. Voltammetric and spectroscopic investigations of 4-nitrophenylferrocene interacting with DNA［J］. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2010, 75(3): 1082-1087.

[26] [26] GURUMOORTHY P, MAHENDIRAN D, PRABHU D, et al. Mixed-ligand copper(II) phenolate complexes: synthesis, spectral characterization, phosphate-hydrolysis, antioxidant, DNA interaction and cytotoxic studies［J］. Journal of Molecular Structure, 2015, 1080: 88-98.

[27] [27] WU H L, JIA F, KOU F, et al. A Schiff base ligand N-(2-hydroxylacetophenone)-3-oxapentane-1, 5-diamine and its nickel(II) complex: synthesis, crystal structure, antioxidation, and DNA-binding properties［J］. Transition Metal Chemistry, 2011, 36(8): 847-853.