Category: 57412-08-5

Chain-length dependence of photoelectric conversion from a porphyrin monolayer modified electrode was written by Yu, Jun-Hua;Li, Fu-You;Wang, Xue-Song;Huang, Yanyi;Zhang, Bao-Wen;Huang, Chun-Hui;Cao, Yi. And the article was included in Optical Materials (Amsterdam, Netherlands) in 2003.COA of Formula: C47H36N4O The following contents are mentioned in the article:

The photoelectrochem. of a series of porphyrins containing an alkyl chain terminated with imidazolyl, is described. Indium-tin oxide electrodes deposited with porphyrins using the Langmuir-Blodgett (LB) technique exhibit high photocurrent values under ambient condition. Action spectra of the photocurrent generation are coincident with the absorption of the LB film-modified electrodes, indicating that the dye aggregates in the LB film are responsible for the photocurrent. The bias voltages that may influence the photocurrent have also been investigated. The photocurrents varied with the side chain length; the compound with a longer chain but not with the shortest chain generated the maximum photocurrent. To interpret such a special case, a possible mechanism is suggested. This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5COA of Formula: C47H36N4O).

4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. The atoms and molecules used as ligands are almost always those that are capable of functioning as the electron-pair donor in the electron-pair bond (a coordinate covalent bond) formed with the metal atom. The actual catalysts are metal complexes that are prepared from ligands and appropriate metal precursors.COA of Formula: C47H36N4O

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Synthesis and structural analysis of novel glycosylated meso-arylporphyrins for application to cancer phototherapy was written by Gaud, Olivier;Granet, Robert;Kaouadji, Mourad;Krausz, Pierre;Blais, Jean Claude;Bolbach, Gerard. And the article was included in Canadian Journal of Chemistry in 1996.SDS of cas: 57412-08-5 The following contents are mentioned in the article:

The synthesis of 13 novel meso-glycosylarylporphyrins where the carbohydrate moiety is separated from the aryl substituent by a spacer arm is described. These compounds were synthesized by different methods, either by direct glycosylation of the ortho- or para-hydroxyalkoxyarylporphyrin or by condensation of glycosylated aldehyde with pyrrole or meso-(p-tolyl)dipyrromethane. In all cases, a ¦Â configuration was observed Deprotection of the sugar then followed in a basic medium. A detailed ¹H and ¹³C NMR study allowed complete structural determination The UV-visible and laser desorption mass spectra are presented. Due to their sensitizing abilities, these resultant compounds are of considerable interest for photodynamic therapy. This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5SDS of cas: 57412-08-5).

4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. The atoms and molecules used as ligands are almost always those that are capable of functioning as the electron-pair donor in the electron-pair bond (a coordinate covalent bond) formed with the metal atom. The ability of ligands to engender a variety of useful properties of organometallic complexes is the major enabling force for the discovery of new catalytic reactions, activation of small molecules, dramatically enhanced reactivity.SDS of cas: 57412-08-5

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

An efficient route to VEGF-like peptide porphyrin conjugates via microwave-assisted ‘click-chemistry’ was written by Bakleh, M. E.;Sol, V.;Estieu-Gionnet, K.;Granet, R.;Deleris, G.;Krausz, P.. And the article was included in Tetrahedron in 2009.SDS of cas: 57412-08-5 The following contents are mentioned in the article:

Synthetic cyclopeptides, and particularly those derived from vascular endothelial growth factor (VEGF) sequence, present considerable interest for the development of nanodevices devoted to tumor imaging or targeting. In order to provide selective peptide-targeted tetrapyrrolic structures, the authors designed two meso-porphyrin derivatives anchored to a 17-residue-long cyclopeptide, potent antagonist of VEGF receptors, via a flexible tetraethylene glycol chain. Anchoring was achieved by two different strategies: a classical secondary amide bond formation and microwave-assisted Cu(I)-catalyzed azide-alkyne 1,3-dipolar cycloaddition (click-chem.). These compounds appear to be promising candidates for applications in photodynamic therapy (PDT). This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5SDS of cas: 57412-08-5).

4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. Ligand, in chemistry, any atom or molecule attached to a central atom, usually a metallic element, in a coordination or complex compound. Chiral compounds with high purities and ee values are often used as ligands for catalytically active metal complexes. SDS of cas: 57412-08-5

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Catalytic studies of 2-benzthiazolethiol (BzTa)-linked manganese(III) and cobalt(II) porphyrin complexes was written by He, Hong-Shan;Fang, Bai-Shan;Huang, Jin-Wang;Ji, Liang-Nian. And the article was included in Transition Metal Chemistry (Dordrecht, Netherlands) in 2000.Synthetic Route of C47H36N4O The following contents are mentioned in the article:

Four 2-benzthiazolethiol (BzTa)-linked porphyrins [I; R = H, Me, OMe, Cl (1)-(4)], and their complexes with Co^II and Mn^III, (5)-(12), were prepared and characterized by elemental anal., ¹H-NMR, IR, UV-visible and mass spectra. The hydroxylation of cyclohexane in the presence of these complexes and PhIO under mild conditions was investigated. The catalytic activities of these complexes were higher than that of corresponding TPPMn^IIICl and TPPCo^II species, resp., which indicated that the terminal group, BzTa, played an important role in the catalysis. A possible mechanism is proposed. This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5Synthetic Route of C47H36N4O).

4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. Ligands are classified based on the number of lone pair electrons available for the central metal atom, size and charge like anionic, cationic, neutral, monodentate, bidentate, polydentate ligands. The ability of ligands to engender a variety of useful properties of organometallic complexes is the major enabling force for the discovery of new catalytic reactions, activation of small molecules, dramatically enhanced reactivity.Synthetic Route of C47H36N4O

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Phosphorus(V)corrole-Porphyrin Based Hetero Trimers: Synthesis, Spectroscopy and Photochemistry was written by Giribabu, Lingamallu;Kandhadi, Jaipal;Kanaparthi, Ravi Kumar. And the article was included in Journal of Fluorescence in 2014.Recommanded Product: 57412-08-5 The following contents are mentioned in the article:

‘Axial-bonding’-type hetero trimers were constructed by employing a simple ‘inorganic’ reaction such as axial bond formation of main group element containing phosphorus corrole. The approach is simple and modular in nature. The architecture of these hetero trimers such that, while a phosphorus(V)corrole forms the basal scaffolding unit, either two free-base porphyrins [(H₂)₂-PCor] or Zn^II porphyrins [(Zn)₂-PCor] occupy the two axial sites via an aryloxy bridge. Both hetero trimeric species were completely characterized by mass (FAB), UV/visible, ¹H NMR spectroscopies and also by the differential pulse voltammetric method. Comparison of their spectroscopic and electrochem. data of these trimers with those of the corresponding reference compounds reveal that there is no apparent ring-to-ring interactions in these ‘vertically’ linked hetero trimers. Reduced fluorescence quantum yields were observed for [(H₂)₂-PCor] and [(Zn)₂-PCor] when compared to corresponding monomeric chromophores. Finally, a comparison is made between the presently reported phosphorus(V)corrole based hetero arrays and the previously reported analogous arrays based on Ge(IV)corrole with regard to their spectroscopic properties and photochem. activities. This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5Recommanded Product: 57412-08-5).

4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. Catalytic transformations have become a mainstay in the toolkit of the synthetic and increasing non-synthetic chemist alike. The actual catalysts are metal complexes that are prepared from ligands and appropriate metal precursors.Recommanded Product: 57412-08-5

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Synthesis and solution self-assembly behavior of porphyrin tethered by fullerene C₆₀ was written by Sitienei, Wilson Lelei;Wangatia, Lodrick Makokha;Zeng, Ting;Sun, Bin;Zhu, Meifang. And the article was included in Advanced Materials Research in 2013.HPLC of Formula: 57412-08-5 The following contents are mentioned in the article:

This paper focuses on the synthesis, spectroscopic studies and self-assembly behavior of porphyrin Ph linked fullerene C₆₀ dyad, which included COOH groups in its fullerene unit so as to promote its adsorption onto TiO₂. UV-vis spectrum and steady-state fluorescence spectrum measurement, showed that the self-assembly of this compound in different solvents with different polarities. The results showed that the soret absorption peak slightly blue shifted by 5 nm in acetonitrile and 2 nm in THF, while the soret peaks in toluene solution was the same as in chloroform. Increasing concentration from 1*10^-6 mol/L to 2*10^-5 mol/L in chloroform resulted into aggregation, also the slight red shifting on cooling from 90¡ãC to 10¡ãC was observed from a temperature dependent UV-vis absorption spectra, thus indicates aggregation. All these features may indicate presence of J-type aggregation happening in 4-methylphenyl-H₂porhyrin-fullerene C₆₀-COOH. In addition, the fluorescence of 4-methylphenyl-H₂porhyrin-fullerene C₆₀-COOH has been quenched compared to that of pure 4-methylphenyl-H₂porhyrin-OH under the same concentration Therefore, this novel material design may find good application in photoelec. devices. This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5HPLC of Formula: 57412-08-5).

4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. The atoms and molecules used as ligands are almost always those that are capable of functioning as the electron-pair donor in the electron-pair bond (a coordinate covalent bond) formed with the metal atom. The ligands are electron-rich and highly tunable to provide catalyst systems with a diverse scope, high stability, and reactivity.HPLC of Formula: 57412-08-5

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Poly(arylene ether ketone)s with pendant porphyrins: synthesis and investigation on optical limiting properties was written by Du, Yinlong;Zhu, Kai;Fang, Yu;Zhang, Shuling;Zhang, Xingrui;Lu, Yaning;Yang, Yanchao;Song, Yinglin;Wang, Guibin. And the article was included in RSC Advances in 2015.COA of Formula: C47H36N4O The following contents are mentioned in the article:

This paper describes the synthesis and characterization of a novel series of poly(arylene ether ketone)s bearing porphyrin pendants, along with the demonstration of their nonlinear optical and optical limiting properties at 532 nm in both THF and films. The incorporation of pendant porphyrins was done through a modified esterification using a copoly(arylene ether ketone) with free carboxyl groups and mono-hydroxyphenyl porphyrins with different substituents and center metal. The introduction of porphyrin in the polymer was confirmed by IR, ¹H NMR, UV-vis, fluorescence spectroscopies, and WAXD. Investigation of thermal properties indicated that the poly(arylene ether ketone)s with porphyrin pendants possessed higher T_gs, and slightly lower decomposition temperatures than the starting copolymers. The results of optical limiting and Z-scan measurements demonstrated that the porphyrinated poly(arylene ether ketone)s exhibited strong optical limiting responses and nonlinear absorption properties with the nonlinear absorption coefficient ¦Â in the order of 10^-9 (m W^-1) magnitude. The effects of pendant porphyrin structure on the thermal, mech., linear and nonlinear optical properties of the poly(arylene ether ketone)s were investigated in detail. This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5COA of Formula: C47H36N4O).

4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. Ligand design occupies a central place in organic synthesis and catalysis. The ability of ligands to engender a variety of useful properties of organometallic complexes is the major enabling force for the discovery of new catalytic reactions, activation of small molecules, dramatically enhanced reactivity.COA of Formula: C47H36N4O

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Photobactericidal films from porphyrins grafted to alkylated cellulose – synthesis and bactericidal properties was written by Krouit, Mohammed;Granet, Robert;Krausz, Pierre. And the article was included in European Polymer Journal in 2009.Recommanded Product: 57412-08-5 The following contents are mentioned in the article:

Two series of porphyrinic cellulose laurate esters plastic films, where the photosensitizers are covalently linked to the cellulosic polymer have been synthesized by using a “one-pot, two-step” esterification reaction. The photosensitizers were first covalently bounded to the cellulosic polymer using either 4- or 11-carbon spacer arms. The porphyrinic plastic films were then obtained by a second esterification with lauric acid. The reaction was studied according to reaction time, temperature, lauric acid amount, pyridine playing the role proton trapping base. Para-toluenesulfonylchloride has been proved to be a powerful activating agent for this reaction. The drawback of the steric hindrance of the porphyrinic macrocycle towards cellulosic hydroxyl groups has been overcome by increasing the number of carbon of spacer arms from 4- to 11-carbons. The photobactericidal activity of these materials was evaluated against Gram pos. and Gram neg. strains bacteria. First results show that these new plastic films display photobactericidal activity for porphyrin grafting percentage higher than 0.16, whereas the non-porphyrinic control allowed full growth of bacteria. These materials could be an alternative in order to overcome the growing bacterial multiresistance to classical antibiotics. This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5Recommanded Product: 57412-08-5).

4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. Ligand design occupies a central place in organic synthesis and catalysis. The ligands are electron-rich and highly tunable to provide catalyst systems with a diverse scope, high stability, and reactivity.Recommanded Product: 57412-08-5

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Synthesis and structural, spectroscopic and nonlinear optical measurements of graphene oxide and its composites with metal and metal free porphyrins was written by Bala Murali Krishna, M.;Venkatramaiah, N.;Venkatesan, R.;Narayana Rao, D.. And the article was included in Journal of Materials Chemistry in 2012.Electric Literature of C47H36N4O The following contents are mentioned in the article:

In this paper we present the structure and spectroscopic, photophys. and nonlinear optical studies of covalently functionalized novel graphene oxide-[Cu, Zn, Sn, H₂ (metal free), VO] porphyrin composites. The composites were characterized by Field Enhanced SEM (FE-SEM), micro-Raman, optical absorption, FTIR spectroscopy, steady-state and time-resolved fluorescence spectroscopy techniques. The composites exhibit strong fluorescence quenching, suggesting strong electronic interactions between the porphyrin and graphene oxide mols. Nonlinear optical absorption (NLA) studies of graphene oxide-porphyrin composites were investigated using the Z-scan technique at 532 and 800 nm with nanosecond (ns) and femtosecond (fs) laser pulses. Composites show strong two-photon absorption (TPA) as well as excited state absorption (ESA) leading to reverse saturable absorption (RSA) behavior in the ns regime and saturable absorption (SA) behavior was observed in fs regime. The metal-free porphyrin-graphene oxide (GO) composite shows significant nonlinear absorption behavior as well as highest fluorescence quenching behavior compared to other GO-porphyrin composites. We further observed the enhanced figure of merit (FOM) values for composites in comparison with individual mols. This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5Electric Literature of C47H36N4O).

4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. Ligand design occupies a central place in organic synthesis and catalysis. The ligands are electron-rich and highly tunable to provide catalyst systems with a diverse scope, high stability, and reactivity.Electric Literature of C47H36N4O

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Optical and luminescence investigations of hydroxy substituted porphyrins in borate glasses was written by Venkatramaiah, N.;Venkatesan, R.. And the article was included in Solid State Sciences in 2011.Application In Synthesis of 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol The following contents are mentioned in the article:

Hybrid borate glasses containing various hydroxy Ph derivatives of porphyrin were prepared by melt quenching technique. The effect of hydroxy functional groups on the photophys. properties was investigated by means of optical absorption, steady-state fluorescence and time resolved fluorescence spectroscopy. The optical absorption spectra show red shift in Soret and Q-band with increase in the number of -OH groups on the Ph ring of the porphyrin. The steady-state emission spectrum shows strong S₂ ¡ú S₀ emission around 498-540 nm and red shifted S₁ ¡ú S₀ emission around 669-803 nm. Time resolved fluorescence shows three exponential decay with ¦Ó ₁ = 11 ¡À 2 ps (64.56%), ¦Ó₂ = 0.16 ¡À 0.1 ns (24.54%), and ¦Ó₃ = 2.94 ¡À 0.1 ns (10.9%) for 2 mg of H₂OHP doped glass. The appearance of strong S₂ ¡ú S₀ emission indicates that the structure of porphyrin inherently modified in the glass matrix. The boron ions of the borate network interact at the central core of the porphyrin and also form oxy bridge at the periphery. The effect of porphyrin concentration on photophys. properties and the possible structures of porphyrin in the borate glass matrix were investigated. This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5Application In Synthesis of 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol).

4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. Ligands are classified based on the number of lone pair electrons available for the central metal atom, size and charge like anionic, cationic, neutral, monodentate, bidentate, polydentate ligands. Replacing precious metals with cheaper and more environmentally friendly metals is regarded as a highly desirable goal in the field of catalysis.Application In Synthesis of 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI