Journal of University of Chinese Academy of Sciences >
Synthesis, crystal structures, and fluorescence properties of dinuclear and tetranuclear zinc(II) complexes based on 2-(2'-hydroxyphenyl)-2-oxazoline
Received date: 2014-05-07
Revised date: 2014-05-23
Online published: 2015-05-15
Two new zinc(II) complexes are prepared by reactions of 2-(2'-Hydroxyphenyl)-2-oxazoline(Hoz) with Zn(acac)2 and ZnCl2, respectively. The complexes are characterized by IR and X-ray crystallography. Complex 1 is dinuclear zinc structure bridged by the oxygen atoms from oz- ligand and acac- ligand as terminal chelating ligands. Complex 2 is tetranuclear zinc structure bridged by both μ2-oxygen from oz- ligand and μ3-methoxide. Complex 1 crystalizes in P21 space group with crystallographic parameters: a=9.384 2 Å(19), b=13.584 0 Å(30), c=11.138 0 Å(20), and β=96.250°(30). Complex 2 crystalizes in P-1 space group with the crystallographic parameters: a=9.551 7 Å(19), b=11.123 4 Å(22), c=11.182 6 Å(22), α=102.820°(30), β=114.988°(30), and γ=100.806°(30). The UV absorption and fluorescence emission spectra are measured in the methanol solution and solid state of complex 1, showing strong luminescence.
ZHANG Yuao , ZHANG Jing . Synthesis, crystal structures, and fluorescence properties of dinuclear and tetranuclear zinc(II) complexes based on 2-(2'-hydroxyphenyl)-2-oxazoline[J]. Journal of University of Chinese Academy of Sciences, 2015 , 32(3) : 404 -408 . DOI: 10.7523/j.issn.2095-6134.2015.03.017
[1] Yang W, Schmider W, Zang Y S, et al. Syntheses, structures, and fluxionality of blue luminescent zinc(II) complexes: Zn(2,2',2''-tpa)Cl2, Zn(2,2',2''-tpa)2-(O2CCF3)2, and Zn(2,2',3''-tpa)4(O2CCF3)2-(tpa=Tripyridylamine)[J]. Inorg Chem, 2000, 39: 2 397-2 404.
[2] Iván B, Javier V, Cárdenas A, et al. Two novel lineal d10 metal-organic frameworks with a ditopicflexible linker: structures, blue luminescence and thermal stability[J]. Inorganic Chemistry Communications, 2011, 14: 897-901.
[3] Aslanidis P, Cox P, Kapetangiannis K, et al. Structural and spectroscopic properties of new copper(I) complexes with 1,1,1-tris(diphenylphosphanylmethyl)-ethane and heterocyclic thiolates[J]. Eur J Inorg Chem, 2008, 32: 5 029-5 037.
[4] Sabin F, Ryu C K, Ford P C, et al. Photophysical properties of hexanuclear copper(I)and silver(I) clusters[J]. Inorg Chem, 1992, 31: 1 941-1 945.
[5] Cölle M, Dinnebier R E, Brütting W. The structure of the blue luminescent δ-phase of tris(8-hydroxyquinoline)aluminium(III) (Alq3)[J]. Chem Commun, 2002, 23: 2 908-2 909.
[6] Wu Q G, Esteghamatian M, Hu N X, et al. Synthesis, structure, and electroluminescence of BR2q (R=Et, Ph, 2-Naphthyl and q=8-Hydroxyquinolato)[J]. Chem Mater, 2000, 12: 79-83.
[7] Hassan A, Wang S N. First blue luminescent diborate compound: B2(m-O)Et2(7-azain)2 (7-azain=7-azaindole anion)[J]. Chem Commun, 1998: 211-212.
[8] Ma Y G, Chao H Y, Wu Y, et al. A blue electroluminescent molecular device from a tetranucluear zinc(II) compound [Zn4O(AID)6] (AID=7-azaindolate)[J]. Chem Commun, 1998, 22: 2 491-2 492.
[9] Wang G, Zhang Y G, Cheng Y X, et al. Zinc-based light-emitting materials containing oxadiazole moieties[J]. Synthetic Met, 2003, 137: 1 119-1 120.
[10] Zhang L Y, Liu G F, Zheng S L, et al. Helical Ribbons of cadmium(II) and zinc(II) dicarboxylates with bipyridylLike chelates-syntheses, crystal structures and photoluminescence[J]. Eur J Inorg Chem, 2003, 16: 2 965-2 971.
[11] Jing J, Chen J J, Hai Y, et al. Rational design of ZnSalen as a single and two photon activatable fluorophore in living cells[J]. Chem Sci, 2012, 3(11): 3 315-3 320.
[12] Yu G, Yin S W, Liu Y Q, et al. Structures, electronic states, and electroluminescent properties of a zinc(II) 2-(2-hydroxyphenyl)benzothiazolate complex[J]. J Am Chem Soc, 2003, 125: 14 816-14 824.
[13] Zhang J, Gao S, and Che C M. A blue photoluminescent 2-D coordination polymer constructed by dinuclear zinc(II) subunits [Zn2(oz)2] [Hoz=2-(2-hydroxyphenyl)-2-oxazoline] and dicyanamide [J]. Eur J Inorg Chem, 2004(5): 956-959.
[14] Cwik A, Hell Z, Hegedüs A, et al. A simple synthesis of 2-substituted oxazolines and oxazines [J]. Tetrahedron Letters, 2002, 43: 3 985-3 987.
[15] 魏松林,伍方贤,郑旭明.乙酰丙酮锌激发态结构的共振拉曼光谱分析[J]. 浙江理工大学学报,2011,28: 140-146.
/
| 〈 |
|
〉 |