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Themed collection Porphyrins & Phthalocyanines

71 items - Showing page 1 of 2
Feature Article

From self-assembly to noncovalent synthesis of programmable porphyrins' arrays in aqueous solution

Fast noncovalent synthesis of programmable porphyrin arrays is facilitated by suitable templates.

Graphical abstract: From self-assembly to noncovalent synthesis of programmable porphyrins' arrays in aqueous solution
From the themed collection: Porphyrins & Phthalocyanines
Feature Article

Phthalocyanines: a new class of G-quadruplex-ligands with many potential applications

Phthalocyanines as a new class of G-quadruplex-ligands are promising not only for organic electronics but also for biomedical applications.

Graphical abstract: Phthalocyanines: a new class of G-quadruplex-ligands with many potential applications
From the themed collection: Porphyrins & Phthalocyanines
Feature Article

Porphyrins for dye-sensitised solar cells: new insights into efficiency-determining electron transfer steps

The correlation between molecular structure and efficiency-determining electron transfer steps is highlighted in a series of porphyrin-sensitised TiO2 solar cells.

Graphical abstract: Porphyrins for dye-sensitised solar cells: new insights into efficiency-determining electron transfer steps
From the themed collection: Porphyrins & Phthalocyanines
Feature Article

Blooming of confused porphyrinoids—fusion, expansion, contraction, and more confusion

Recent development of confused porphyrinoids led by fusion, expansion and contraction is briefly introduced.

Graphical abstract: Blooming of confused porphyrinoids—fusion, expansion, contraction, and more confusion
From the themed collection: Porphyrins & Phthalocyanines
Communication

Novel D–π–A structured Zn(II)-porphyrin dyes containing a bis(3,3-dimethylfluorenyl)amine moiety for dye-sensitised solar cells

A high photovoltaic efficiency of 7.22% was achieved with a Jsc of 15.30 mA cm-2, a Voc of 669 mV and a FF of 0.71 for 2Flu-ZnP-CN-COOH with a multi-functional co-adsorbent, under 100 mW cm-2 AM 1.5 G simulated light.

Graphical abstract: Novel D–π–A structured Zn(ii)-porphyrin dyes containing a bis(3,3-dimethylfluorenyl)amine moiety for dye-sensitised solar cells
From the themed collection: Porphyrins & Phthalocyanines
Communication

Conducting metallophthalocyanine 2D covalent organic frameworks: the role of central metals in controlling π-electronic functions

The central metals control the improvement of light absorbance, ease of carrier transport, and gain of photocurrent of phthalocyanine COFs.

Graphical abstract: Conducting metallophthalocyanine 2D covalent organic frameworks: the role of central metals in controlling π-electronic functions
From the themed collection: Porphyrins & Phthalocyanines
Communication

Cytochrome c heme lyase can mature a fusion peptide composed of the amino-terminal residues of horse cytochrome c

Cytochrome c heme lyase (CCHL) attaches heme covalently to peptides composed of the N-terminal segment of horse cytochrome c fused to a non-heme protein.

Graphical abstract: Cytochrome c heme lyase can mature a fusion peptide composed of the amino-terminal residues of horse cytochrome c
From the themed collection: Porphyrins & Phthalocyanines
Communication

Strong two-photon absorption and its saturation of a self-organized dimer of an ethynylene-linked porphyrin tandem

A self-organized dimer by complementary coordination of ethynylene-linked porphyrin tandems displayed strong two-photon absorption with extension of the π-conjugation system by the terminal phenylethynyl groups. Saturation of the two-photon absorption was also observed due to the intense transition.

Graphical abstract: Strong two-photon absorption and its saturation of a self-organized dimer of an ethynylene-linked porphyrin tandem
From the themed collection: Porphyrins & Phthalocyanines
Communication

Sevenfold enhancement on porphyrin dye efficiency by coordination of ruthenium polypyridine complexes

Scheme showing the supramolecular porphyrin dye anchored on TiO2 surface stressing the energy transfer and electron injection processes.

Graphical abstract: Sevenfold enhancement on porphyrin dye efficiency by coordination of ruthenium polypyridine complexes
From the themed collection: Porphyrins & Phthalocyanines
Communication

Water-soluble ionic benzoporphyrins

Ionic water-soluble tetrabenzoporphyrins were synthesized. UV-Vis absorption spectra displayed red-shifted and broadened Soret bands, and significantly enhanced Q bands.

Graphical abstract: Water-soluble ionic benzoporphyrins
From the themed collection: Porphyrins & Phthalocyanines
Communication

Structural basis for oxygen sensing and signal transduction of the heme-based sensor protein Aer2 from Pseudomonas aeruginosa

Trp283 is responsible for oxygen sensing and signal transduction in a chemotaxis signal transducer protein, Aer2.

Graphical abstract: Structural basis for oxygen sensing and signal transduction of the heme-based sensor protein Aer2 from Pseudomonas aeruginosa
From the themed collection: Porphyrins & Phthalocyanines
Communication

A heme degradation enzyme, HutZ, from Vibrio cholerae

HutZ from Vibrio cholerae was purified and found as heme oxygenase, which degrades heme to release iron essential for bacterial survival.

Graphical abstract: A heme degradation enzyme, HutZ, from Vibrio cholerae
From the themed collection: Porphyrins & Phthalocyanines
Communication

Porphyrin nanochannels reinforced by hydrogen bonding

Hydrogen bonding among the peripheral carboxyl groups on the saddle-distorted porphyrins strongly linked porphyrin nanochannels to reinforce the supramolecular structures.

Graphical abstract: Porphyrin nanochannels reinforced by hydrogen bonding
From the themed collection: Porphyrins & Phthalocyanines
Communication

Vibrational dynamics of oxygenated heme proteins

Advanced spectroscopic techniques coupled with DFT calculations reveal the vibrational dynamics of the iron in dioxygen complexes with heme proteins.

Graphical abstract: Vibrational dynamics of oxygenated heme proteins
From the themed collection: Porphyrins & Phthalocyanines
Communication

Rational design of a phthalocyanine–perylenediimide dyad with a long-lived charge-separated state

The longest charge-separated state so far, 72 μs, without the addition of external components, for phthalocyanine–perylenediimide arrays has been described.

Graphical abstract: Rational design of a phthalocyanine–perylenediimide dyad with a long-lived charge-separated state
From the themed collection: Porphyrins & Phthalocyanines
Communication

A new synthetic approach to benzoporphyrins and Kröhnke type porphyrin-2-ylpyridines

Synthesis of new 2-(2,6-diarylpyridin-4-yl)porphyrins, benzoporphyrins and porphyrin–chalcone-type derivatives through a new synthetic methodology catalyzed by La(OTf)3.

Graphical abstract: A new synthetic approach to benzoporphyrins and Kröhnke type porphyrin-2-ylpyridines
From the themed collection: Porphyrins & Phthalocyanines
Communication

Generation and characterization of high-valent iron oxo phthalocyanines

The first high-valent iron oxo complex on the phthalocyanine platform was prepared and characterized by low temperature UV–vis, cryospray MS, EPR, X-ray absorption and X-ray emission methods.

Graphical abstract: Generation and characterization of high-valent iron oxo phthalocyanines
From the themed collection: Porphyrins & Phthalocyanines
Communication

Ruthenium(IV) porphyrin catalyzed phosphoramidation of aldehydes with phosphoryl azides as a nitrene source

[RuIV(por)Cl2] (por = porphyrin dianion) can efficiently catalyze nitrene insertion into aldehyde C–H bonds with phosphoryl azides as a nitrene source to give N-acylphosphoramidates in good to high yields.

Graphical abstract: Ruthenium(iv) porphyrin catalyzed phosphoramidation of aldehydes with phosphoryl azides as a nitrene source
From the themed collection: Porphyrins & Phthalocyanines
Communication

Synthesis of stable monoporphyrinate lanthanide(III) complexes without ancillary ligands

A new type of porphyrin ligand bearing four triazole groups at the ortho-positions of phenyl rings in tetraphenylporphyrin was synthesized for the formation of monoporphyrinate lanthanide complexes without ancillary ligands.

Graphical abstract: Synthesis of stable monoporphyrinate lanthanide(iii) complexes without ancillary ligands
From the themed collection: Porphyrins & Phthalocyanines
Communication

Controlled growth of narrowly dispersed nanosize hexagonal MOF rods from Mn(III)–porphyrin and In(NO3)3 and their application in olefin oxidation

A new class of narrowly dispersed nanosize hexagonal MOF rods from Mn(III)–porphyrin and In(III) was obtained.

Graphical abstract: Controlled growth of narrowly dispersed nanosize hexagonal MOF rods from Mn(iii)–porphyrin and In(NO3)3 and their application in olefin oxidation
From the themed collection: Porphyrins & Phthalocyanines
Communication

Hydrogenation effects in metalloporphycenes: synthesis and redox behavior of Ni(II)–tetra(n-propyl)dihydroporphycene

We have successfully achieved the synthesis and characterization of 2,3-dihydro-2,3,12,17-tetrapropylporphycene 1 and its NiII complex 2.

Graphical abstract: Hydrogenation effects in metalloporphycenes: synthesis and redox behavior of Ni(ii)–tetra(n-propyl)dihydroporphycene
From the themed collection: Porphyrins & Phthalocyanines
Communication

Dinuclear single-molecule magnets with porphyrinphthalocyanine mixed triple-decker ligand systems giving SAP and SP coordination polyhedra

Two terbium ions in a porphyrin–phthalocyanine mixed triple-decker complex have shown sharply different magnetic behaviours depending on their local symmetry.

Graphical abstract: Dinuclear single-molecule magnets with porphyrin–phthalocyanine mixed triple-decker ligand systems giving SAP and SP coordination polyhedra
From the themed collection: Porphyrins & Phthalocyanines
Communication

Modular self-assembled multiporphyrin cages with tunable shape

Combination of a single flat bis-zincporphyrin metallacycle with different polytopic N-linkers leads, with a limited synthetic effort, to the quantitative formation of neutral supramolecular multiporphyrin cages of distinct shape and size.

Graphical abstract: Modular self-assembled multiporphyrin cages with tunable shape
From the themed collection: Porphyrins & Phthalocyanines
Communication

Structure–charge transport relationship of 5,15-dialkylated porphyrins

5,15-Dialkylated porphyrins were synthesized and characterized. N-Butyl substituted porphyrin leads to the highest thin film crystallinity and best thin film transistor performance with charge carrier mobility up to 3 × 10−2 cm2 V−1 s−1.

Graphical abstract: Structure–charge transport relationship of 5,15-dialkylated porphyrins
From the themed collection: Porphyrins & Phthalocyanines
Communication

Metal-mediated self-assembly of tetrapyridyl porphyrins by Na+ ions

Upon interaction with Na+ ions in CH2Cl2, tetra(4-pyridyl)porphyrin and some of its metallo-derivatives spontaneously form solid deposits on glass, consisting of very regular supramolecular architectures with long-range order and tunable morphologies.

Graphical abstract: Metal-mediated self-assembly of tetrapyridyl porphyrins by Na+ ions
From the themed collection: Porphyrins & Phthalocyanines
Communication

Magneto-chiral dichroism of artificial light-harvesting antenna

We have succeeded in observing the magneto-chiral dichroism of artificial light-harvesting antenna for the first time.

Graphical abstract: Magneto-chiral dichroism of artificial light-harvesting antenna
From the themed collection: Porphyrins & Phthalocyanines
Communication

A zinc porphyrin-based molecular probe for the determination of contamination in commercial acetonitrile

A zinc porphyrin-based receptor containing four triazole groups at the ortho-position of each phenyl group (1) was utilized as a useful probe for the determination of contaminants in acetonitrile (MeCN). Through the simple observation of the absorption spectrum of 1 in MeCN, the cyanide contamination concentration could be directly determined.

Graphical abstract: A zinc porphyrin-based molecular probe for the determination of contamination in commercial acetonitrile
From the themed collection: Porphyrins & Phthalocyanines
Communication

Towards enhancing light harvesting—subphthalocyanines as electron acceptors

We have demonstrated the unique light harvesting and electron accepting features of dodecafluorosubphthalocyanine covalently linked to extended TTFs.

Graphical abstract: Towards enhancing light harvesting—subphthalocyanines as electron acceptors
From the themed collection: Porphyrins & Phthalocyanines
Communication

Interior aliphatic C–H bond activation on iron(II) N-confused porphyrin through synergistic nitric oxide binding and iron oxidation

Nitric oxide coordination assisted oxidative C–H bond activation on the inner methyl group of iron N-confused porphyrin has been achieved.

Graphical abstract: Interior aliphatic C–H bond activation on iron(ii) N-confused porphyrin through synergistic nitric oxide binding and iron oxidation
From the themed collection: Porphyrins & Phthalocyanines
Communication

Toward aceneporphyrinoids: synthesis and transformations of palladium(II) meso-anthriporphyrin

meso-Anthriporphyrin belongs to the emerging group of aceneporphyrins. A noticeable parallel exists in coordination properties of meso-anthriporphyrin and its lower benzologues, p-benziporphyrin and 1,4-naphthiporphyrin, toward palladium(II).

Graphical abstract: Toward aceneporphyrinoids: synthesis and transformations of palladium(ii) meso-anthriporphyrin
From the themed collection: Porphyrins & Phthalocyanines
Communication

Enantioselective recognition by a highly ordered porphyrin-assembly on a chiral molecular gel

Enantioselective recognition of amino acids was achieved by using a highly ordered chiral assembly of achiral porphyrin on a chiral molecular gel. Exceptionally high enantioselectivity was observed for histidine derivatives by monitoring the CD patterns and fluorescence quenching, KSV (L): 26.3 × 103 M−1; KSV (D)-enantiomer: 7.03 × 103 M−1.

Graphical abstract: Enantioselective recognition by a highly ordered porphyrin-assembly on a chiral molecular gel
From the themed collection: Porphyrins & Phthalocyanines
Communication

Hierarchical cooperative binary ionic porphyrin nanocomposites

Grafting nanocrystals of one ionically self-assembled cooperative binary ionic solid onto a substructure of another provides multifunctional hierarchical nanocomposites.

Graphical abstract: Hierarchical cooperative binary ionic porphyrin nanocomposites
From the themed collection: Porphyrins & Phthalocyanines
Communication

Controlled generation of singlet oxygen by a water-soluble meso-pyrenylporphyrin photosensitizer through interaction with DNA

The activity of singlet oxygen generation photosensitized by an electron donor-connecting water-soluble porphyrin can be controlled through interaction with DNA.

Graphical abstract: Controlled generation of singlet oxygen by a water-soluble meso-pyrenylporphyrin photosensitizer through interaction with DNA
From the themed collection: Porphyrins & Phthalocyanines
Communication

The first TDDFT and MCD studies of free base triarylcorroles: A closer look into solvent-dependent UV-visible absorption

The absorption spectra of several free base triarylcorroles were investigated by MCD spectroscopy.

Graphical abstract: The first TDDFT and MCD studies of free base triarylcorroles: A closer look into solvent-dependent UV-visible absorption
From the themed collection: Porphyrins & Phthalocyanines
Communication

Facile synthesis of a flexible tethered porphyrin dimer that preferentially complexes fullerene C70

A porphyrin dimer linked by a flexible tether preferentially binds C70 over C60 in toluene and deposited on glass.

Graphical abstract: Facile synthesis of a flexible tethered porphyrin dimer that preferentially complexes fullerene C70
From the themed collection: Porphyrins & Phthalocyanines
Communication

Intramolecular hydrogen bonding as a synthetic tool to induce chemical selectivity in acid catalyzed porphyrin synthesis

A straightforward procedure based on the formation of intramolecular hydrogen bonds to impart selectivity in the preparation of multi-functionalized porphyrins has been developed.

Graphical abstract: Intramolecular hydrogen bonding as a synthetic tool to induce chemical selectivity in acid catalyzed porphyrin synthesis
From the themed collection: Porphyrins & Phthalocyanines
Communication

Formation and photoinduced processes of a self-assembled subphthalocyanineporphyrinphthalocyanine supramolecular complex

For the first time, the formation of a 1 : 1 : 1 host–guest–host complex between a cyclodextrin-conjugated subphthalocyanine, a tetrasulfonated porphyrin and a cyclodextrin-conjugated phthalocyanine, which exhibits light-harvesting properties, was shown.

Graphical abstract: Formation and photoinduced processes of a self-assembled subphthalocyanine–porphyrin–phthalocyanine supramolecular complex
From the themed collection: Porphyrins & Phthalocyanines
Communication

Effects of protonation of pyridine moieties on the 2D assembly of porphyrin layers on Au(111) at electrochemical interfaces

Zinc(II) tetrakis(2-pyridyl)porphyrin, driven by the protonation of the pyridine groups, can provide a characteristic assembly with the alternate inverted form of the pyridine ring at a trans-position on an Au(111) surface.

Graphical abstract: Effects of protonation of pyridine moieties on the 2D assembly of porphyrin layers on Au(111) at electrochemical interfaces
From the themed collection: Porphyrins & Phthalocyanines
Communication

A bifunctional catalyst for carbon dioxide fixation: cooperative double activation of epoxides for the synthesis of cyclic carbonates

A bifunctional catalyst showed a high turnover number for the synthesis of cyclic carbonates from CO2 and epoxides under solvent-free conditions.

Graphical abstract: A bifunctional catalyst for carbon dioxide fixation: cooperative double activation of epoxides for the synthesis of cyclic carbonates
From the themed collection: Porphyrins & Phthalocyanines
Communication

High-order tunneling processes in single-porphyrin transistors

Cotunneling and the Kondo effect are observed within a single molecule transistor (SMT) device incorporating cobalt-porphyrins at 4.2 K.

Graphical abstract: High-order tunneling processes in single-porphyrin transistors
From the themed collection: Porphyrins & Phthalocyanines
Communication

Highly reactive meso-like positions of dipyrihexaphyrin

Dipyrihexaphyrin, a porphyrin analogue with a very high reactivity of the meso-like position from sp2 to sp3.

Graphical abstract: Highly reactive meso-like positions of dipyrihexaphyrin
From the themed collection: Porphyrins & Phthalocyanines
Communication

Corrin ring-induced redox tuning

The DFT calculations suggest that the systematic expansion of the corrin macrocycle's N4 core by 0.06–0.10 Å leads to an appreciable lowering of 100–150 mV vs. saturated calomel electrode in the reduction potentials of B12 cofactors. This indicates that the electrochemical behavior of B12 cofactors is tunable in nature which may be relevant to the electron transfer-based activation mechanism for B12-dependent enzymes.

Graphical abstract: Corrin ring-induced redox tuning
From the themed collection: Porphyrins & Phthalocyanines
Communication

Preparation and structural control of metal coordination-assisted supramolecular architectures of porphyrins. Nanocubes to microrods

A new series of metal coordination-assisted porphyrin architectures such as nanocubes, nanorods and microrods were successfully synthesized by controlling the synthetic conditions.

Graphical abstract: Preparation and structural control of metal coordination-assisted supramolecular architectures of porphyrins. Nanocubes to microrods
From the themed collection: Porphyrins & Phthalocyanines
Communication

Highly enantioselective intermolecular carbene insertion to C–H and Si–H bonds catalyzed by a chiral iridium(III) complex of a D4-symmetric Halterman porphyrin ligand

Chiral iridium porphyrin [Ir((−)-D4-Por*)(Me)(EtOH)] exhibits excellent reactivity and stereoselectivity towards carbene insertion to C–H and Si–H bonds, affording corresponding products in high yields and enantioselectivities.

Graphical abstract: Highly enantioselective intermolecular carbene insertion to C–H and Si–H bonds catalyzed by a chiral iridium(iii) complex of a D4-symmetric Halterman porphyrin ligand
From the themed collection: Porphyrins & Phthalocyanines
Communication

Porphyrin-LEGO®: synthesis of a hexafullereno-diporphyrin using porphyrins programmed for [4+2]-cycloaddition

Porphyrin-LEGO® provides a route to a diporphyrin that functions as a ‘programmed’ scaffold for further [4+2]-cycloaddition of six C60-fullerenes.

Graphical abstract: Porphyrin-LEGO®: synthesis of a hexafullereno-diporphyrin using porphyrins programmed for [4+2]-cycloaddition
From the themed collection: Porphyrins & Phthalocyanines
Communication

A zinc gable phthalocyanine and a derived planar bis-phthalocyanine containing a shared anthracene unit

A gable-type zinc phthalocyanine and a derived planar bis-phthalocyanine containing a shared anthracene unit have been synthesized and their spectroscopic properties examined.

Graphical abstract: A zinc gable phthalocyanine and a derived planar bis-phthalocyanine containing a shared anthracene unit
From the themed collection: Porphyrins & Phthalocyanines
Communication

A fluorene-modified porphyrin for efficient dye-sensitized solar cells

A fluorene-modified zinc porphyrin shows efficient dye-sensitized solar cell performance.

Graphical abstract: A fluorene-modified porphyrin for efficient dye-sensitized solar cells
From the themed collection: Porphyrins & Phthalocyanines
Communication

Azaphthalocyanines with fused triazolo rings: formation of sterically stressed constitutional isomers

Formation of constitutional isomers of triazolo-fused azaphthalocyanines in relation to the bulkiness of peripheral substitution is described together with a short introduction into their spectral, photophysical and photochemical properties.

Graphical abstract: Azaphthalocyanines with fused triazolo rings: formation of sterically stressed constitutional isomers
From the themed collection: Porphyrins & Phthalocyanines
Communication

Electrocatalytic oxidation of alcohols by a carbon-supported Rh porphyrin

A Rh porphyrin on carbon black was shown to catalyze the electro-oxidation of aliphatic and benzyl alcohols at very low overpotentials.

Graphical abstract: Electrocatalytic oxidation of alcohols by a carbon-supported Rh porphyrin
From the themed collection: Porphyrins & Phthalocyanines
Communication

A doubly 2,6-pyridylene-bridged porphyrinperylene–porphyrin triad

A doubly 2,6-pyridylene-bridged porphyrin–perylene–porphyrin triad was synthesized, which captures a tetrakis(3-pyridyl)porphyrin guest in a 2 : 1 manner.

Graphical abstract: A doubly 2,6-pyridylene-bridged porphyrin–perylene–porphyrin triad
From the themed collection: Porphyrins & Phthalocyanines
Communication

Molecular engineering and solvent dependence of excitation energy hopping in self-assembled porphyrin boxes

Excitation energy hopping in self-assembled porphyrin boxes.

Graphical abstract: Molecular engineering and solvent dependence of excitation energy hopping in self-assembled porphyrin boxes
From the themed collection: Porphyrins & Phthalocyanines
Communication

Unveiling the three-dimensional structure of the green pigment of nitrite-cured meat

Crystal structural analysis of the green pigment of nitrite-cured meat reveals that sterics control the regiospecificity of heme 2-vinyl nitration.

Graphical abstract: Unveiling the three-dimensional structure of the green pigment of nitrite-cured meat
From the themed collection: Porphyrins & Phthalocyanines
Communication

Competitive inhibition of a metal-free porphyrin oxygen-reduction catalyst by water

Competitive inhibition of the diprotonated tetraphenylporphyrin oxygen-reduction catalyst by water is reported and linked to the DFT free energy of extraction of oxygen, water, and reactant acid anion from the porphyrin complex.

Graphical abstract: Competitive inhibition of a metal-free porphyrin oxygen-reduction catalyst by water
From the themed collection: Porphyrins & Phthalocyanines
Communication

Synthesis and properties of β,β-sp3-hybridized subphthalocyanine analogues

A β,β-sp3-hybridized subphthalocyanine analogue was synthesized, and its split Q bands in longer and shorter wavelength regions relative to subphthalocyanines were revealed.

Graphical abstract: Synthesis and properties of β,β-sp3-hybridized subphthalocyanine analogues
From the themed collection: Porphyrins & Phthalocyanines
Communication

Non-covalent versus covalent donor–acceptor systems based on near-infrared absorbing azulenocyanines and C60 fullerene derivatives

Supramolecular and covalent Zn–azulenocyanine–C60 systems, which exhibit a remarkable panchromatic absorption, have been prepared and their photophysical properties studied.

Graphical abstract: Non-covalent versus covalent donor–acceptor systems based on near-infrared absorbing azulenocyanines and C60 fullerene derivatives
From the themed collection: Porphyrins & Phthalocyanines
Communication

Induction of supramolecular chirality in di-zinc(II) bisporphyrin via tweezer formation: synthesis, structure and rationalization of chirality

Two new complexes consisting of an achiral bisporphyrin host and a chiral diamine guest are reported. One shows a remarkably high amplitude bisignate CD signal while the other one shows a very low value. The origin of chirality has been rationalized.

Graphical abstract: Induction of supramolecular chirality in di-zinc(ii) bisporphyrin via tweezer formation: synthesis, structure and rationalization of chirality
From the themed collection: Porphyrins & Phthalocyanines
Communication

Colorimetric detection of trace water in tetrahydrofuran using N,N′-substituted oxoporphyrinogens

Oxoporphyrinogens bind water molecules leading to visible colour changes due to variation in π-electronic structure. One of the OxP derivatives is a colorimetric indicator of trace water in THF.

Graphical abstract: Colorimetric detection of trace water in tetrahydrofuran using N,N′-substituted oxoporphyrinogens
From the themed collection: Porphyrins & Phthalocyanines
Communication

Antioxidant-substituted tetrapyrazinoporphyrazine as a fluorescent sensor for basic anions

Tetrapyrazinoporphyrinazine substituted at its periphery with eight antioxidant 3,5-di-t-butyl-4-hydroxyphenyl groups behaves as a fluorescent sensor for fluoride anions.

Graphical abstract: Antioxidant-substituted tetrapyrazinoporphyrazine as a fluorescent sensor for basic anions
From the themed collection: Porphyrins & Phthalocyanines
Communication

Synthesis of 5,10,15-triazaporphyrins—effect of benzo-annulation on the electronic structures

Reactions of 1,9-dibromodipyrromethene and 1,3-diiminoisoindolines provided dibenzo-5,10,15-triazaporphyrins exhibiting intense Soret and Q bands due to their hybrid properties between porphyrins and phthalocyanines.

Graphical abstract: Synthesis of 5,10,15-triazaporphyrins—effect of benzo-annulation on the electronic structures
From the themed collection: Porphyrins & Phthalocyanines
Communication

Metal centre effects on HNO binding in porphyrins and the electronic origin: metal's electronic configuration, position in the periodic table, and oxidation state

Several general HNO binding trends with respect to metal centre characteristics and a common electronic origin were discovered.

Graphical abstract: Metal centre effects on HNO binding in porphyrins and the electronic origin: metal's electronic configuration, position in the periodic table, and oxidation state
From the themed collection: Porphyrins & Phthalocyanines
Communication

Spectroscopic capture and reactivity of S = 1/2 nickel(III)–oxygen intermediates in the reaction of a NiII-salt with mCPBA

Elusive Ni(III)–O(H) species are trapped and shown to be active oxidants in oxygen atom transfer and C–H bond activation reactions.

Graphical abstract: Spectroscopic capture and reactivity of S = 1/2 nickel(iii)–oxygen intermediates in the reaction of a NiII-salt with mCPBA
From the themed collection: Porphyrins & Phthalocyanines
Communication

Translocation-coupled transmetalation at the origin of a dinuclear lead porphyrin complex: implication of a hanging-atop coordination mode

The formation and solid state characterization of an unprecedented bimetallic lead porphyrin complex are described.

Graphical abstract: Translocation-coupled transmetalation at the origin of a dinuclear lead porphyrin complex: implication of a hanging-atop coordination mode
From the themed collection: Porphyrins & Phthalocyanines
Communication

Light-to-electron converting panchromatic supramolecular solar cells of phthalocyanineporphyrin heterodimers adsorbed onto nanocrystalline SnO2 electrodes

An elegant approach of decorating tetrapyrrole macrocycles having different absorption characteristics, electrostatically stacked onto the SnO2 surface as wide-band capturing supramolecular solar cells is reported.

Graphical abstract: Light-to-electron converting panchromatic supramolecular solar cells of phthalocyanine–porphyrin heterodimers adsorbed onto nanocrystalline SnO2 electrodes
From the themed collection: Porphyrins & Phthalocyanines
Communication

Excitonic coupling interactions in the self-assembly of perylene-bridged bis(β-cyclodextrin)s and porphyrin

Strong excitonic coupling was achieved with the self-assembly of perylene-bridged bis(b-cyclodextrin)s and water-soluble porphyrin through hydrophobic interactions.

Graphical abstract: Excitonic coupling interactions in the self-assembly of perylene-bridged bis(β-cyclodextrin)s and porphyrin
From the themed collection: Porphyrins & Phthalocyanines
Communication

Unexpected formation of the nickel seco-tribenzoporphyrazine with a tribenzotetraazachlorin-type absorption spectrum

Minor products in the reaction between substituted 1,3-diiminoisoindolines and 2,5-diamino-3,4-dicyanothiophene were identified as the nickel seco-tribenzoporphyrazines 4 and 5.

Graphical abstract: Unexpected formation of the nickel seco-tribenzoporphyrazine with a tribenzotetraazachlorin-type absorption spectrum
From the themed collection: Porphyrins & Phthalocyanines
Communication

Porphyrin and phthalocyanine glycodendritic conjugates: synthesis, photophysical and photochemical properties

Synthesis, photophysical and photochemical features of novel water soluble galactodendrimeric-porphyrin and -phthalocyanine conjugates, incorporating a carbohydrate shell of eight and sixteen D-galactopyranose units, respectively.

Graphical abstract: Porphyrin and phthalocyanine glycodendritic conjugates: synthesis, photophysical and photochemical properties
From the themed collection: Porphyrins & Phthalocyanines
Communication

S2 emission from chemically modified BODIPYs

BODIPY showed anomalous S2 emission from the second excited state (S2) at shorter wavelength. The photodynamics of the S2 state was investigated by fluorescence up-conversion and transient absorption spectroscopic measurements.

Graphical abstract: S2 emission from chemically modified BODIPYs
From the themed collection: Porphyrins & Phthalocyanines
Communication

Synthesis of stable free base secochlorins and their corresponding metal complexes from meso-tetraarylporphyrin derivatives

Cleavage reactions of 2,3-diamino-meso-tetraarylporphyrins and meso-tetraarylporphyrins fused to imidazole rings afforded secochlorins, including stable free base derivatives.

Graphical abstract: Synthesis of stable free base secochlorins and their corresponding metal complexes from meso-tetraarylporphyrin derivatives
From the themed collection: Porphyrins & Phthalocyanines
Communication

Organometallic multiads of zinc(II) porphyrins with interchromophoric cooperativity in S1 and T1 energy transfers

Three different S1 and T1 energy donors are linked onto a central zinc(II) porphyrin acceptor and energy transfer rates show cooperativity.

Graphical abstract: Organometallic multiads of zinc(ii) porphyrins with interchromophoric cooperativity in S1 and T1 energy transfers
From the themed collection: Porphyrins & Phthalocyanines
Communication

An artificial photosensitizer drug network for mitochondria-selective photodynamic therapy

A multimeric chlorin e6 network with cleavable disulfide linkages allowed for improved mitochondria uptake and tumor inhibition.

Graphical abstract: An artificial photosensitizer drug network for mitochondria-selective photodynamic therapy
From the themed collection: Porphyrins & Phthalocyanines
71 items - Showing page 1 of 2

About this collection

The peer-reviewed articles in this ChemComm web themed issue highlight recent cutting-edge achievements in the areas of porphyrins, phthalocyanines and related macrocyclic compounds.

The guest editors of this issue are Jonathan Sessler (University of Texas at Austin), Penny Brothers (University of Auckland) and Chang-Hee Lee (Kangwon National University).

Articles in this web themed issue will be added below as soon as possible after they are published.

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