SYNTHESIS, H-1 AND C-13 NMR CHARACTERIZATION OF METHYL-MESO-TETRA(4-PYRIDYL)-PORPHYRINATO THALLIUM(III) - TL(TPYP)CH3

摘要

The C-13 resonance of the axial methyl group observed at 1.2 ppm (24 degrees C) [with (1)J(Tl-205-C-13) = 5752.3 Hz and (1)J(Tl-203-C-13) = 5703.3 Hz] in CDCl3 and a doubler with upheld resonance at -56.7 ppm by a solid-state C-13 CP/MAS NMR (at carbon frequency 50.33 MHz) measurement provide an evidence that the methyl group was coordinated to the Tl atom of methyl-meso-tetra(4-pyridyl)-porphyrinato thallium(III). [References: 2]