Synthesis and Fluorescence Spectra of Europium(III) and Terbium(III) Complexes with a New Bis-Schiff Base Ligand N,N'-Bis(2,4-di-hydroxyacetonephenone)-2,6-diaminopyridine (H4L)

• Autorzy: Yang T. , Xiao Z. , Qin W. , Liu W.
• Języki publikacji: EN
• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2004
• Tom: Vol. 78 / nr 4
• Strony: 601--605
• Opis fizyczny: Bibliogr. 13 poz., rys

Twórcy

autor

Yang T.

• Department of Chemistry and National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, P.R. China
• College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, 750021, P.R. China

autor

Xiao Z.

• Department of Chemistry and National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, P.R. China

autor

Qin W.

• Department of Chemistry and National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, P.R. China

autor

Liu W.

• Department of Chemistry and National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, P.R. China

Bibliografia

• 1. YuS.Y., Wang S.X., Luo Q.H. and Wang L.F., Polyhedron, 12, 1097(1993).
• 2. Tai X.S., Yin X.H. and Tan M.Y., Polish J. Chem., 4, 411 (2003).
• 3. Padhy S. and Kauffinan G.B., Coord. Ghem. Rev., 63, 127 (1985).
• 4. Garoufis A., Kasselouri S., Katehanakis A., Kalkanis S., Gerlepes S.P. and Hadjiliadis N., Inorg. Chim. Acta, 207, 255 (1993).
• 5 Barthelemy P. and Choppin G., Inorg. Chem., 28, 3354 (1989).
• 6.Stump N.A., Schweitzer G.K., Pesterfield L.L., Peterson J.R. and Murray G.M., Spectrosc. Lett., 235, 1421 (1992). „ „ „A , . ... T
• 7. Desa G.F., Malta O.L., de Mello Donega C., Simas A.M., Longo R.L., Santa-Cruz P.A. and da Suva Jr E.F., Chem. Rev., 196, 165 (2000).
• 8 Ligand H4L: Yield, 79%. m.p. 121-123°C. Anal. Calcd. for C21H19N3O4: C, 66.84; H, 5.04; N, 11.14. ' Found: C, 67.02; H, 4.97; N, 11.23. IR (KBr, cm*'): 1631 (C=N), 1549 (C=C + C=N of pyridine rmg).
• 9. The europium complex: Yield, 72%. Anal. Calcd. for C21H23N4O10EU: C, 39.19; H, 3.58, N, 8.71, Eu, 23.64. Found: C, 38.87; H, 3.64;N, 8.56; Eu, 23.42. MS: m/z=644 (M+l). Am: 9.6 S • cm • mol (DMF solution, Ixl0~3mol-L~‘). IR (KBr, cm-1): 1614(C=N), 1467 (v,NOI), 812 (vjNOJ), 1296(v4N03), 427 (Eu-O), 543 (Eu-N), 1542,1557 (C=C + C=N). The terbium complex: Yield, 67%. Anal. Calcd. for C2iH23N4o[oTb: C, 38.77; H, 3.54; N, 8.62; Tb, 24.46. Found: C, 38.53; H, 3.38; N, 8.95; Tb, 24.81. MS: m/z=651 (M+l). Am: 8.2 S cm2-mol"1 (DMF solution, lxlO-3.nol-L“').lR(KBr, cm ): 1615 (C=N), 1471 (v, NOJ), 798 (v3 NOJ), 1302 (v4 NOJ), 432 (Tb-O), 547 (Tb-N), 1542, 1557 (C=C + C=N).
• 10. Geary J.W., Coord. Chem. Rev., 7, 81 (1971).
• 11. Wang M„ Xu Z.D. and Feng D.Z., Chin. J. Inorg. Chem., 13, 347 (1997).
• 12. Nakamoto K., Infrared and Raman Spectra of Inorganic and Coordination Compounds, 3rd edition, NY: Wiley & Sons 1978.
• 13. Hu J.M., Chen G.S. and Ceng Y.H., Anal. Chem., 20, 356 (1992).