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Interplay of axial ligation, hydrogen bonding, self-assembly, and conformational landscapes in high-spin Ni (II) porphyrins

Article Abstract:

The different modes of hydrogen bonding that can influence ligand interactions with neighboring functional groups and macro cycle conformations is relevant to the bioenergetic roles of porphyryn in vivo. The results indicate that point mutations in proteins, which introduce or remove residues resulting in hydrogen bonding, may not be structurally and functionally innocent.

Hydrogen bonding, Hydrogen bonds, Chemistry, Physical and theoretical, Physical chemistry, Properties

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Sequential deprotonation of meso-(p-hydroxyphenyl)porphyrins in DMF: From hyperporphyrins to sodium porphyrin complexes

Article Abstract:

Sequential deprotonations of meso-(p-hydroxyphenyl)porphyrins (p-OHTPPH2) in DMF + H2O(V/V = 1:1) mixture are verified to result in the appearance of hyperporphyrin spectra. When the deprotonations are carried out the spectral changes differ considerably from those in the mixtures mentioned.

All Other Basic Inorganic Chemical Manufacturing, Potassium & Sodium Compounds, Sodium & Sodium Compounds, Spectra, Protons, Sodium compounds

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