Supramolecular recognition of functional magnesium tetraphenylporphyrin with pyrrolidine for SO2 capture

Fei Gao; Tianrui Huo

Korean Journal of Chemical Engineering, Vol.30, No.9, 1747-1750, September, 2013

DOI10.1007/s11814-013-0093-9 Export Citation

Supramolecular recognition of functional magnesium tetraphenylporphyrin with pyrrolidine for SO2 capture

Fei Gao, and Tianrui Huo^†

College of Chemical Engineering, Inner Mongolia University of Technology, Huhhot 010051, China

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Supramolecular recognition of functional magnesium tetraphenylporphyrin (MgTPP) with pyrrolidine for SO2 capture was investigated in CH2Cl2 by steady-state fluorescence and UV-vis absorption spectroscopic techniques. The UV-vis spectra showed that the interaction of MgTPP with pyrrolidine resulted in red shift of 2 nm for MgTPP Soret absorption band. Once introduced, SO2 competes with MgTPP for pyrrolidine, which eventually leads to the release of MgTPP. The fluorescence spectra suggested that MgTPP interacted with pyrrolidine to form 1 : 1 molecular adducts, and showed that the binding of MgTPP with pyrrolidine with the association constants (Kassoc) of (0.86 to 1.19) is not only exothermic but enthalpy-driven with ΔH=-15.805 kJ mol^(-1), ΔS=-52.727 J mol^(-1) K1, and ΔG=-214.444 J mol^(-1) at T=296.15 K.

Keywords:Magnesium Tetraphenyl Porphyrin (MgTPP);Pyrrolidine;Spectroscopy;Thermodynamic

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[2] Smith SJ, Pitcher H, Wigley TML, Clim. Chang., 73(3), 267 (2005)

[3] Huttenhuis PJG, Agrawal NJ, Hogendoorn JA, Versteeg GF, J. Pet. Sci. Eng., 55(1-2), 122 (2007)

[4] Huang HY, Yang RT, Chinn D, Munson CL, Ind. Eng. Chem. Res., 42(12), 2427 (2003)

[5] Veltman K, Singh B, Hertwich EG, Environ. Sci. Technol., 44(4), 1496 (2010)

[6] Stewart EJ, Lanning RA, Hydrocarb. Process., 73(5), 67 (1994)

[7] Zhang JF, Agar DW, Zhang XH, Geuzebroek F, Energy Procedia., 4, 67 (2011)

[8] Leontiev AV, Rudkevich DM, J. Am. Chem. Soc., 127(41), 14126 (2005)

[9] Zhang JB, Li CP, Wei XH, Chin. Chem. Lett., 21(7), 787 (2010)

[10] Dehghani H, Fathi F, Dyes Pigm., 77(2), 323 (2008)

[11] Baum SJ, Plane RA, J. Am. Chem. Soc., 88(5), 910 (1966)

[12] Adler AD, Longo FR, Finarelli JD, Goldmacher J, Assour J, Korsakoff L, J. Org. Chem., 32(2), 476 (1967)

[13] Lindsey JS, Woodford JN, Inorg. Chem., 34(5), 1063 (1995)

[14] Zhang WQ, Shan N, Yu LX, Wang XQ, Dyes Pigm., 77(1), 153 (2008)

[15] Collman JP, Yan YL, Eberspacher T, Xie XJ, Solomon EI, Inorg. Chem., 44(26), 9628 (2005)

[16] Wynne K, Lecours SM, Galli C, Therien MJ, Hochstrasser RM, J. Am. Chem. Soc., 117(13), 3749 (1995)

[17] Satake A, Kobuke Y, Tetrahedron., 61(1), 13 (2005)

[18] Xu JG, Wang ZB, Fluorometry, 3rd Ed. Science Press, Beijing (2006)

[19] Iotti S, Sabatini A, Vacca A, J. Phys. Chem. B, 114(5), 1985 (2010)