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Synthesis and Characterization of 5,10,15,20-Tetra[3-(3-trifluoromethyl)phenoxy] Porphyrin

Department of Biology, Chemistry, and Mathematics, University of Montevallo, Station 6480 Montevallo, Alabama 35115, U.S.A.
Department of Chemistry, University of Alabama, Box 870336 Tuscaloosa, Alabama 35487, U.S.A.
Author to whom correspondence should be addressed.
Molecules 2007, 12(7), 1389-1398;
Received: 30 May 2007 / Revised: 8 July 2007 / Accepted: 9 July 2007 / Published: 11 July 2007
(This article belongs to the Special Issue Heterocycles)
The newly synthesized 5,10,15,20-tetra[3-(3-trifluoromethyl)phenoxy]porphyrin, TTFMPP, has been characterized using mass spectroscopy, 1H-, 13C- and 19F-NMR, MALDI-TOF mass spectrometry, UV-Vis and fluorescence spectrophotometry, andcyclic voltammetry. The NMR confirmed the structure of the compound and the massspectrum was in agreement with the proposed molecular formula. The UV-Vis absorptionspectrum of TTFMPP shows characteristic spectral patterns similar to those of tetraphenylporphryin, with a Soret band at 419 nm and four Q bands at 515, 550, 590, and 648 nm.Protonation of the porphyrin with TFA resulted in the expected red shift of the Soret band.Excitation at 419 nm gave an emission at 650 nm. The quantum yield of the porphyrin wasdetermined to be 0.08. Cyclic voltammetry was used to determine the oxidation andreduction potentials of the new porphyrin. Two quasi-reversible one-electron reductions at–1.00 and –1.32 V and a quasi-reversible oxidation at 1.20 V versus the silver/silverchloride reference electrode with tetrabutylammonium tetrafluoroborate as the supportingelectrolyte in methylene chloride were observed. View Full-Text
Keywords: Porphyrin synthesis;spectral properties;cyclic voltammetry;NMR. Porphyrin synthesis;spectral properties;cyclic voltammetry;NMR.
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MDPI and ACS Style

Tidwell, C.P.; Bharara, P.; Rudeseal, G.; Rudeseal, T.; Rudeseal, F.H., Jr; Simmer, C.A.; McMillan, D.; Lanier, K.; Fondren, L.D.; Folmar, L.L.; Belmore, K. Synthesis and Characterization of 5,10,15,20-Tetra[3-(3-trifluoromethyl)phenoxy] Porphyrin. Molecules 2007, 12, 1389-1398.

AMA Style

Tidwell CP, Bharara P, Rudeseal G, Rudeseal T, Rudeseal FH Jr, Simmer CA, McMillan D, Lanier K, Fondren LD, Folmar LL, Belmore K. Synthesis and Characterization of 5,10,15,20-Tetra[3-(3-trifluoromethyl)phenoxy] Porphyrin. Molecules. 2007; 12(7):1389-1398.

Chicago/Turabian Style

Tidwell, Cynthia P., Prakash Bharara, Gretchen Rudeseal, Tiffany Rudeseal, Frank H. Rudeseal Jr, Christine A. Simmer, Dugald McMillan, Katherine Lanier, L D. Fondren, LaTasha L. Folmar, and Ken Belmore. 2007. "Synthesis and Characterization of 5,10,15,20-Tetra[3-(3-trifluoromethyl)phenoxy] Porphyrin" Molecules 12, no. 7: 1389-1398.

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