Results 101 to 110 of about 11,307 (224)

Synthesis, spectroscopic characterization and thermogravimetric analysis of two series of substituted (metallo)tetraphenylporphyrins

open access: yesBeilstein Journal of Nanotechnology, 2017
Subsequent treatment of H2TPP(CO2H)4 (tetra(p-carboxylic acid phenyl)porphyrin, 1) with an excess of oxalyl chloride and HNR2 afforded H2TPP(C(O)NR2)4 (R = Me, 2; iPr, 3) with yields exceeding 80%.
Rasha K. Al-Shewiki   +6 more
doaj   +1 more source

Spectroscopic Evidence of Nanodomains in THF/RTIL Mixtures: Spectroelectrochemical and Voltammetric Study of Nickel Porphyrins [PDF]

open access: yes, 2015
The presence and effect of RTIL nanodomains in molecular solvent/RTIL mixture were investigated by studying the spectroelectrochemistry and voltammetry of nickel octaethylporphyrin (Ni(OEP)) and nickel octaethylporphinone (Ni(OEPone)).
Atifi, Abderrahman, Ryan, Michael D.
core   +1 more source

Superprotonic Conductivity in a Metalloporphyrin-Based SMOF (Supramolecular Metal–Organic Framework)

open access: yesNanomaterials
Metal–organic frameworks and supramolecular metal–organic frameworks (SMOFs) exhibit great potential for a broad range of applications taking advantage of the high surface area and pore sizes and tunable chemistry.
Arkaitz Fidalgo-Marijuan   +2 more
doaj   +1 more source

Mass spectrometry of metalloporphyrins. 2. Vapor pressure of cobalt, nickel, and copper octaethylporphyrinates

open access: yesТонкие химические технологии, 2010
The volatility of cobalt, nickel, and copper octaethylporphyrinates was studied by the Knudsen method. Thermodynamical characteristics of sublimation of these compounds were obtained.
D. S. Lutokhina   +3 more
doaj  

METALLOPORPHYRINS

open access: yesJournal of Biological Chemistry, 1952
Robert W. Cowgill, W. Mansfield Clark
openaire   +1 more source

Hydroporphyrins [PDF]

open access: yes, 1978
Dolphin, D.   +2 more
core   +1 more source

Cytochrome P450-catalyzed insertion of carbenoids into N–H bonds [PDF]

open access: yes, 2013
Expanding nature’s catalytic repertoire to include reactions important in synthetic chemistry will open new opportunities for ‘green’ chemistry and biosynthesis. We demonstrate the first enzyme-catalyzed insertion of carbenoids into N–H bonds.
Arnold, Frances H.   +3 more
core   +1 more source

METALLOPORPHYRINS

open access: yesJournal of Biological Chemistry, 1947
Joseph Shack, W. Mansfield Clark
openaire   +1 more source

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