Figure 2. 1H NMR spectra of (a) free H2TPP, (b) bismuth (III) complexe of H2TPP (3a), (c) Nickel (II) complexe of H2TPP (3b), (d) zinc (II) complexe of H2TPP (3c) in CDCl3 at 298 K

From

An Undergraduate Experiment Using Microwave-Assisted Synthesis of Metalloporphyrins: Characterization and Spectroscopic Investigations

Shaikha S. Al Neyadi, Ahmed Alzamly, Abdullah Al-Hemyari, Ibrahim M. Tahir, Saeed Al-Meqbali, M. A. Ali Ahmad, Muna Bufaroosha

World Journal of Chemical Education. 2019, 7(1), 26-32 doi:10.12691/wjce-7-1-4