Agenparl

porphyrin

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SYNTHESIS OF SCHIFF-BASE PORPHYRIN DERIVATIVES AND THEIR SELF-ASSEMBLIES TO ENHANCE PHOTOCATALYTIC PERFORMANCE

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), gio 21 gennaio 2021 New J. Chem., 2021, Accepted ManuscriptDOI: 10.1039/D0NJ05297C, Paper Bo Gao, Jinghe Pei, Yanhui Li, Qian DuanThree new porphyrin derivatives were synthesized from the tetra (4-aminophenyl) porphyrin (TAPP), namely tetra [p-(4-cyanophenylmethylene imino)] phenyl porphyrin (TCyPPP), tetra [p-(P-benzylidene)] phenyl porphyrin (TbePPP) and tetra......
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INFLUENCE OF TRIPHENYLAMINE AS DONOR GROUP ON ZN-PORPHYRIN FOR DYE SENSITIZED SOLAR CELL (DSSC) APPLICATIONS

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), lun 18 gennaio 2021 Two Donor-π-Acceptor type dyes Zn [10,20-(4-carboxyphenyl)Porphyrin] (Ko-1) and Zn [5,15-diphenylaminophenyl-10,20-(4-carboxyphenyl)Porphyrin] (Ko-2) with two different donor units were designed and synthesized for solar cell application. The Ko-2 dye contain the triphenylamine group as electron donor group, Porphyrin unit as π-bridge and carboxylic......
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CANCER PHOTOCYTOTOXICITY AND ANTI-INFLAMMATORY RESPONSE OF CIS-A2B2 TYPE MESO-P-NITROPHENYL AND P-HYDROXYPHENYL PORPHYRIN AND ITS ZINC(II) COMPLEX: A SYNTHETIC ALTERNATIVE TO THE THPP SYNTHON

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), lun 18 gennaio 2021 This work establishes that in comparison with the popular synthetic synthon tetra-p-hydroxyphenyl porphyrin (THPP), used for developing various cancer photodynamic therapy (PDT) agents, the cis-A2B2 type porphyrin derivative, synthesized by replacing two p-hydroxyphenyl groups at the meso-positions with two p-nitrophenyl moieties,......
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A STRUCTURAL PARAMETER TO LINK MOLECULAR GEOMETRY TO MACROSCOPIC ORIENTATION IN DISCOTIC LIQUID CRYSTALS: STUDY OF METALLOPORPHYRIN TAPES

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), lun 04 gennaio 2021 Novel liquid crystalline (LC) molecules were prepared from a triply linked dimeric porphyrin tape. A series of metal complexes (1Zn, 1Pd, 1Cu, and 1Ni) and the free-base form (12H) of the porphyrin tape formed a pseudo-hexagonal columnar LC mesophase. Although only......
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CANCER PHOTOCYTOTOXICITY AND ANTI-INFLAMMATORY RESPONSE OF CIS-A2B2 TYPE MESO-P-NITROPHENYL AND P-HYDROXYPHENYL PORPHYRIN AND ITS ZINC(II) COMPLEX: A SYNTHETIC ALTERNATIVE TO THE THPP SYNTHON.

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), ven 18 dicembre 2020 This work establishes that in comparison with the popular synthetic synthon, tetra-p-hydroxyphenyl porphyrin (THPP), used for developing various cancer photodynamic therapy (PDT) agents, the cis-A2B2 type of porphyrin derivative, synthesized by replacing two p-hydroxyphenyl groups at the meso-positions with two p-nitrophenyl......
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PHOTODYNAMIC ACTIVITY ATTAINED THROUGH THE RUPTURED π-CONJUGATION OF PYRIDYL GROUPS WITH A PORPHYRIN MACROCYCLE: SYNTHESIS AND THE PHOTOPHYSICAL AND PHOTOBIOLOGICAL EVALUATION OF 5-MONO-(4-NITROPHENYL)-10,15,20-TRIS-[4-(PHENOXYMETHYL)PYRIDINE]-PORPHYRIN AND ITS ZN(II) COMPLEX

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), mar 15 dicembre 2020 This article compares a reported hydrophobic and photobiologically inert porphyrin synthon, (NPh)TPyP, bearing a single meso-4-nitrophenyl group and three meso-pyridyl groups (A3B type) with a new photobiologically active metal-free porphyrin, P3N, and its zinc-complex, P3NZn, which bear a meso-4-nitrophenyl group along......
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CU(II)-PORPHYRIN BASED NEAR-INFRARED MOLECULES: SYNTHESIS, CHARACTERIZATION AND PHOTOVOLTAIC APPLICATION

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), mar 15 dicembre 2020 Porphyrin and its derivatives play important roles in natural energy conversion application. In this work, we designed and synthesized three novel acceptor-donor-acceptor (A-D-A) type small molecules (namely Por-Cu-IC, Por-Cu-ICF and Por-Cu-ICFF) with Cu(II)-porphyrin as central electron-donating core and fluorinated 2-(3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile as......
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THE SIGNIFICANCE OF THE METAL CATION IN GUANINE-QUARTET – METALLOPORPHYRIN COMPLEXES

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), mar 08 dicembre 2020 The planarity and the appropriate size of the porphyrin ring make porphyrin derivatives ideal ligands for stacking to guanine quartets and could thus be used as anti-cancer drugs. In this contribution we analyzed complexes of guanine quartet with a porphyrin molecule,......
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TETRAKIS-(N-METHYL-4-PYRIDINIUM)-PORPHYRIN AS A DIAMAGNETIC CHEMICAL EXCHANGE SATURATION TRANSFER (DIACEST) MRI CONTRAST AGENT

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), mar 08 dicembre 2020 The easily synthesizable highly water-soluble porphyrin derivative Tetrakis-(N-methyl-4-pyridinium)-Porphyrin (TmPyP) is proposed as a diaCEST contrast agent that works efficiently in a wide range of pH across the physiological condition of pH 7.4 at 37 °C. The pH invariance of CEST efficiency......
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SYNTHESIS AND CHARACTERIZATION OF CONJUGATED PORPHYRIN DYAD ENTANGLED WITH CARBOXYL FUNCTIONALIZED BENZIMIDAZOLIUM: AN EFFICIENT METAL FREE SENSITIZER FOR DSSC

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), lun 07 dicembre 2020 An archetypal functional molecule, porphyrin is the nature best photosynthetic pigment in plants, that mimics the principles of solar energy conversion. Considering the prodigious ability of porphyrin to harvest light, we present the stepwise synthesis of a novel conjugated meso-substituted porphyrin......

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