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We report the syntheses of two new organotin sulfide clusters with heteroaromatic substituents.Aphenanthroline-functionalized tin sulfide cluster [(RPhenSn)4S6] (1; RPhen= CMe2CH2C(Me)N-NC(H)C12H7N2) and a bipyridyl-terminated cluster [(R4-bipySn)4S6] (2; R4-bipy= CMe2CH2C(Me)N-NC(H)-4-C10H7N2) were obtained from reactions of the hydrazone-functionalized organotin sulfide cluster [(RNSn)4S6] (RN= CMe2CH2C(Me)N-NH2) with 1,10-phenanthroline-5-carboxaldehyde or 2,2′-bipyridine-4-carbaldehyde.1and2were tested towards their capability of trapping metal ions by means of the terminal chelating ligands. The reaction of2with ZnCl2afforded the cluster compound [(R4-bipyZnCl2Sn)4S6] (5), in which four ZnCl2units are coordinated by the heteroaromatic organic groups. We discuss the structures and demonstrate the effect of ZnCl2trapping on optical absorption and luminescence properties.

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

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The invention discloses a method based on 5 – aldehyde – 1, 10 – phenanthroline preparation of the iridium complex and its application, its structural formula is: or . The iridium complex can be homocysteine (Hcy) and forming a six-membered […], so that the light intensity of the iridium complex has obvious changes, so will the iridium complex can be made fluorescent probe, used for specific recognition of the Hcy. (by machine translation)

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

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Two aldehyde group functionalized iridium(III) complexes were synthesized and characterized. The electronic absorption, emission and transient emission spectra were studied. The crystal structure of one of the complexes has been determined. Their interaction with homocysteine (Hcy) was investigated by UV?vis absorption, photoluminescence (PL), 1H NMR and mass spectroscopies. The photoluminesce of the complexes was enhanced significantly after addition of Hcy due to the formation of thiazide product, while there are no obvious changes in the emission spectra after addition of cysteine (Cys) and glutathione (GSH). These probes can be used for discriminating Hcy from Cys and GSH efficiently.

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

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Two ruthenium complexes containing a new phenanthroline-based ligand pai (pai = 2-(5-(1, 10- phenanthroline))-1H-acenaphtho[1?,2?:4,5]imidazole) were synthesized and characterized. Two ruthenium complexes were found to cleave DNA under irradiation, interact with CT-DNA by intercalation. Furthermore, DNA topoisomerase inhibition experiments indicated that complex 2 exhibited higher topoisomerase I inhibition activity (IC50 = 10 muM) than complex 1 (IC50 = 40 muM). Molecular modeling studies revealed that complex 2 stabilized Top1cc complex via pi-pi interaction and the formation of hydrogen bond. The cytotoxicity of complexes 1 and 2 against Eca-109 and A549 cells was also evaluate by MTT method, indicating that complex 2 exhibited good anticancer activity against Eca-109 cells (IC50 = 17.23 ¡À 0.22 muM), but two ruthenium complexes displayed weak anticancer activity against A549 cells.

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

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Chemistry is traditionally divided into organic and inorganic chemistry. Quality Control of: 1,10-Phenanthroline-5-carbaldehyde. The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 91804-75-0

The palladium-catalyzed Friedel-Crafts-type alkylation of indoles in water has been achieved using amphiphilic polystyrene-poly(ethylene glycol) (PS-PEG) resin-supported phenanthroline-palladium complexes in water under aerobic conditions, affording the corresponding products with good-to-high yield. The polymeric catalyst was also found to promote the C3-alkylation reaction to give a thermodynamic alkylation product with high selectivity. The polymeric catalyst was recovered and reused several times without any loss of catalytic activity.

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

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A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, SDS of cas: 91804-75-0, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 91804-75-0, Name is 1,10-Phenanthroline-5-carbaldehyde, molecular formula is C13H8N2O. In a Article, authors is Ma, Wenli£¬once mentioned of 91804-75-0

Four bichromophoric cyclometalated iridium complexes were synthesized and fully characterized. Their antiproliferative capacity against A549, HepG2 cells and HeLa cells as well as two human normal cells was studied by MTT assay. Rhodamine B modified complexes 2 and 4 were not cytotoxic to A549 cells while both rhodamine 6 g modified complexes 1 and 3 showed greater cytotoxicity than cisplatin. In particular, the antiproliferative activity of complex 3 was about 4.6 times than that of cisplatin. Thus, complex 3 was used for stability and pH sensitivity studies. The results indicated that the complex not only had rich fluorescence properties under acidic conditions, but also showed good stability. Further, interaction of complex with bovine serum albumin (BSA) has been investigated by UV?vis, fluorescence, synchronous fluorescence spectroscopy. The complexes have a certain ability to bind the BSA. Interestingly, these complexes can catalyze the reaction of the coenzyme NADH to NAD+, which is consistent with the apparent growth of ROS in cells. In addition, complex 3 can cause S phase arrest in the cell cycle, induce apoptosis, and affect mitochondrial membrane potential changes. Localization experiments of intracellular complexes by confocal microscopy suggested that these complexes enter cancer cells through energy dependence and specifically target the lysosomes, thus resulting in the damage of lysosomes.

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

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Synthetic Route of 91804-75-0, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.91804-75-0, Name is 1,10-Phenanthroline-5-carbaldehyde, molecular formula is C13H8N2O. In a Patent£¬once mentioned of 91804-75-0

The present invention discloses an organic complex mercury ion probe and its preparation method and application, the invention by reaction with hydrazine hydrate rhodamine B, obtaining pink solid rhodamine B hydrazide, will be 5 – methyl O-phenanthrene with selenium dioxide reaction to obtain 5 – aldehyde O-phenanthrene; the rhodamine B hydrazide with 5 – aldehyde O-phenanthrene obtained by reaction of the product of the reaction Ir2 (Ppy)4 Cl2 After the reaction, with the NH4 PF6 The reaction and at the end of the organic complex mercury ion probe. The invention probe preparation method is simple, stable lighting, convenient and efficient operation, is suitable for the solution, soil, biological cells and the like mercury ion in the realization of the qualitative, quantitative rapid detection, can be environmental detection, biological cell imaging areas such application. (by machine translation)

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

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A new photoluminescence (PL) probe based on a formyl bearing bis-cyclometalated Ir(iii) complex, [Ir(ppy)2phen-CHO]+PF6- (1), is synthesized and applied to the selective detection of a bisulfite anion (HSO3-). Probe 1 is prepared using 2-phenylpyridine (ppy) as the C^N main ligand and 1,10-phenanthroline-5-carboxaldehyde (phen-CHO) as the N^N ancillary ligand. Probe 1 displayed excellent selective PL enhancement in response to HSO3- in acetic acid-sodium acetate buffer solution (pH = 5.0). The increase of PL signal is directly proportional to the concentration of HSO3- in the range of 2 muM to 45 muM with a detection limit of 0.9 muM using 50 muM probe 1 and in the range of 0.5 muM to 6 muM with a detection limit of 0.3 muM using 10 muM probe 1. More importantly, probe 1 can respond to HSO3- rapidly within 40 s. Furthermore, probe 1 was successfully applied to detect HSO3- in real white wines and the bioimaging of HSO3- in living cells. The superior properties of probe 1 make it of great potential use for studying the effects of HSO3- in other biosystems.

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

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Electric Literature of 91804-75-0, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.91804-75-0, Name is 1,10-Phenanthroline-5-carbaldehyde, molecular formula is C13H8N2O. In a Article£¬once mentioned of 91804-75-0

A simple and sensitive electrogenerated chemiluminescence (ECL) sensor array was developed for the discrimination of three biothiols, including homocysteine (Hcy), cysteine (Cys) and glutathione (GSH) using two bis-cyclometalated Ir(III) complexes as ECL probes. Two aldehyde groups bearing bis-cyclometalated Ir(III) complexes were selected as ECL probes, including [(bt)2Ir(phen-CHO)]PF6 (bt = 2-phenylbenzothiazole, phen-CHO = 1,10-phenanthroline-5-carboxaldehyde, probe 1) and [(ppy)2Ir(phen-CHO)]PF6 (ppy = 2-phenylpyridine, probe 2). A ?signal on? ECL method was proposed for biothiols assay based on the increase in ECL intensity of two ECL probes by biothiols. Three biothiols can be detected with detection limits of 0.8, 0.7 and 0.8?muM by probe 1 and 0.3, 0.4 and 0.5?muM by probe 2 for Cys, Hcy and GSH, respectively. Two-element sensor array was assembled for the detection of three biothiols due to the different enhancement effects of biothiols on the ECL intensity of two ECL probes. The ECL sensor array combining with the principal component analysis was applied to discriminate three biothiols. This study demonstrates that the ECL sensor array using dual ECL reagents provides a promising way for the discrimination of multiple biothiols with good sensitivity and simpleness.

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

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Synthetic Route of 91804-75-0, In heterogeneous catalysis, the catalyst is in a different phase from the reactants. At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 91804-75-0, name is 1,10-Phenanthroline-5-carbaldehyde. In an article£¬Which mentioned a new discovery about 91804-75-0

A long-lived aldol reaction-based iridium(III) chemosensor [Ir(ppy) 2 (5-CHOphen)]PF 6 (1, where ppy = 2-phenylpyridine and 5-CHOphen = 1,10-phenanthroline-5-carbaldehyde) for proline detection has been synthesized. The iridium(III) complex 1, incorporating an aldehyde group in N^N donor ligand, can take part in aldol reaction with acetone mediated by proline. The transformation of the sp 2-hybridized carbonyl group into a sp 3-hybridized alcohol group influences the metal-to-ligand charge-transfer (MLCT) state of the iridium(III) complex, resulting in a change in luminescence in response to proline. The interaction of the iridium(III) complex 1 with proline was investigated by 1 H NMR, HRMS and emission titration experiments. Upon the addition of proline to a solution of iridium(III) complex 1, a maximum 8-fold luminescence enhancement was observed. The luminescence signal of iridium(III) complex 1 could be recognized in strongly fluorescent media using time-resolved emission spectroscopy (TRES). The detection of proline in living cells was also demonstrated.

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Reference£º
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI