Category: 1195-59-1

《Two tetranuclear 3d-4f heterometal complexes Mn2Ln2 (Ln = Dy, Gd): synthesis, structure, magnetism, and electrocatalytic reactivity for water oxidation》 was written by Lan, Tian-Xiang; Gao, Wei-Song; Chen, Chang-Neng; Wang, Hui-Sheng; Wang, Mei; Fan, Yu-hua. Computed Properties of C7H9NO2This research focused ontransition metal pyridinyldimethanol bishydroxymethylpyridinylmethylester preparation redox potential magnetism; electrochem oxidation catalyst transition metal pyridinyldimethanol bishydroxymethylpyridinylmethoxymethylester complex; crystal structure transition metal pyridinyldimethanol bishydroxymethylpyridinylmethoxymethylester complex. The article conveys some information:

Two Mn/Ln clusters, [Mn2Ln2(O2CMe)6(pdmH)2L](NO3)·H2O (Ln = Dy (1), Gd (2)), were synthesized and exptl. studied by x-ray crystallog., PXRD, magneto- and electrochem., pdmH2 = 2,6-pyridine dimethanol; LH2 = (6-hydroxymethylpyridin-2-yl)-(6-hydroxymethylpyridin-2-ylmethoxy)methanol. By x-ray anal., the two complexes are isomorphous, both possessing one [MnIIMnIIILnIII2(μ3-O)2]6+ core with four metal atoms in one plane arranged in a butterfly conformation. This is the 1st time that mixed-valent manganese (MnII and MnIII) and LnIII heterometal tetranuclear complexes were isolated and characterized. Magnetic susceptibility measurements reveal that compounds 1 and 2 both display overall weak ferromagnetic exchanges between the metal ions within the clusters. The temperature dependencies of the out-of-phase (χM’) and in-phase (χM’) a.c. susceptibility signals exhibit no significant frequency-dependency for compounds 1 and 2, which suggests that the two complexes may not be SMMs. Electrochem. studies indicate that compounds 1 and 2 can both catalyze water oxidation at a potential of ∼1.70 V with an overpotential of ∼880 mV vs. Normal H electrode, which could be due to a cooperative catalytic effect between the manganese and lanthanide ions. After reading the article, we found that the author used 2,6-Pyridinedimethanol(cas: 1195-59-1Computed Properties of C7H9NO2)

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. Pyridine-based materials are valued for their optical and physical properties as well as their medical potential. Additionally, pyridine-based natural products continue to be discovered and studied for their properties and to understand their biosynthesis.Computed Properties of C7H9NO2

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Computed Properties of C7H9NO2In 2018 ,《””Reverse”” pyridyl cryptands as hosts for viologens》 appeared in Heteroatom Chemistry. The author of the article were Pederson, Adam M.-P.; Price, Terry L. Jr; Schoonover, Daniel V.; Slebodnick, Carla; Gibson, Harry W.. The article conveys some information:

Two new cryptands were prepared from bis(m-phenylene)-32-crown-10 (BMP32) 5,5′-diacid chloride and dibenzo-30-crown-10 (DB30) 4,4′-diacid chloride, resp., by reaction with pyridine-2,6-dimethanol. The resultant cryptands have the ester moieties reversed from previously reported isomers. These “”reverse”” cryptands display lower association constants with viologen derivatives than the original cryptands; this is rationalized by the conjugation of the ester moieties with the aromatic rings, which reduces their electron-donating properties and offsets the increased basicity of the pyridyl nitrogen atoms. The crystal structure of the BMP32-based cryptand indeed confirms the coplanarity of the ester and aromatic moieties and indicates that, as a result, the available cavity is quite small and that the pyridyl nitrogen atom points away from the cavity. After reading the article, we found that the author used 2,6-Pyridinedimethanol(cas: 1195-59-1Computed Properties of C7H9NO2)

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. Pyridine and pyridine-derived structures are privileged pharmacophores in medicinal chemistry and an essential functionality for organic chemists. As the prototypical π-deficient heterocycle, pyridine illustrates distinctive chemistry as both substrate and reagent. Computed Properties of C7H9NO2

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《Enzymatic synthesis of biobased polyesters utilizing aromatic diols as the rigid component》 was written by Pellis, Alessandro; Weinberger, Simone; Gigli, Matteo; Guebitz, Georg M.; Farmer, Thomas J.. Formula: C7H9NO2 And the article was included in European Polymer Journal in 2020. The article conveys some information:

In the present work, the biocatalyzed synthesis of a series of aromatic-aliphatic polyesters based on the aliphatic diesters di-Me succinate, di-Me adipate and di-Me sebacate and the aromatic diols 2,5-bis(hydroxymethyl)furan, 3,4-bis(hydroxymethyl)furan and 2,6-pyridinedimethanol were investigated. A similar series of polyesters based on the petroleum-based 1,3-benzenedimethanol, 1,4-benzenedimethanol and 1,4-benzenediethanol were also synthesized for comparison. Data show that the enzymic syntheses were successful starting from all diols, with the obtained polymers having isolated yields between 67 and over 90%, number average mol. weights between 3000 Da and 5000 Da and d.p. (DP) of 6-18 (based on the used aliphatic diesters and aromatic diols) when polymerized in di-Ph ether as solvent. Only using 3,4-bis(hydroxymethyl)furan as the diol led to shorter oligomers with isolated yields around 50% and DPs of 3-5. DSC and TGA thermal analyses show clear correlation between polymer crystallinity and aliphatic carbon chain length of the diester. In the experimental materials used by the author, we found 2,6-Pyridinedimethanol(cas: 1195-59-1Formula: C7H9NO2)

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. Pyridine is a relatively complex molecule and exhibits a number of different bands in IR spectra. Among others, the bands characterizing the ν8a and ν19b modes have been found to be sensitive to the coordination or protonation of the molecule. Note that the band that is diagnostic for the PyH+ ion at about 1545 cm− 1 (ν19b mode) does not overlap with any of the other bands.Formula: C7H9NO2

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Midya, Siba P.; Subaramanian, Murugan; Babu, Reshma; Yadav, Vinita; Balaraman, Ekambaram published their research in Journal of Organic Chemistry in 2021. The article was titled 《Tandem Acceptorless Dehydrogenative Coupling-Decyanation under Nickel Catalysis》.SDS of cas: 1195-59-1 The article contains the following contents:

Nickel-catalyzed acceptorless dehydrogenative coupling of alcs. with nitriles followed by decyanation of nitriles to access diversely substituted olefins was reported. This unprecedented C=C bond-forming methodol. takes place in a tandem manner with the formation of formamide as a sole byproduct. The significant advantages of this strategy were the low-cost nickel catalyst, good functional group compatibility (ether, thioether, halo, cyano, ester, amino, N/O/S heterocycles; 43 examples), synthetic convenience, and high reaction selectivity and efficiency. In the experiment, the researchers used many compounds, for example, 2,6-Pyridinedimethanol(cas: 1195-59-1SDS of cas: 1195-59-1)

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. In industry and in the lab, pyridine is used as a reaction solvent, particularly when its basicity is useful, and as a starting material for synthesizing some herbicides, fungicides, and antiseptics.SDS of cas: 1195-59-1

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Chen, Ching-Yu; Xu, Han-Chen; Ho, Tsung-Hsien; Hsu, Chun-Ju; Lai, Chien-Chen; Liu, Yi-Hung; Peng, Shie-Ming; Chiu, Sheng-Hsien published their research in Journal of Organic Chemistry in 2021. The article was titled 《Complementarity of 2,6-Dimethanolpyridine and Di(ethylene glycol) in the Complexation of Na+ Ions: Attaching Multiple Copies of [2]Catenane Branches to Isophthalaldehyde-Containing Cores》.Category: alcohols-buliding-blocks The article contains the following contents:

In this study we found that 2,6-dimethanolpyridine displays good complementarity toward di(ethylene glycol) for the complexation of Na+ ions, allowing us to use this recognition system for the efficient synthesis of hetero[2]catenanes; indeed, it allowed us to attach multiple copies of [2]catenanes to branched systems presenting multiple isophthalaldehyde units. When we attempted to form a catenane from a preformed macrocycle featuring only a single di(ethylene glycol) unit, reacting it with a di(ethylene glycol) derivative presenting two amino termini, isophthalaldehyde, and templating Na+ ions [i.e., with the aim of using di(ethylene glycol)·Na+·di(ethylene glycol) recognition to template the formation of the interlocked imino macrocycle], the yields of the hetero[2]catenane and homo[2]catenane, comprising two imino macrocyclic units, were both poor (14% and 7%, resp.). In contrast, when one or two 2,6-dimethanolpyridine units were present in the preformed macrocycles, their reactions with the same diamine, dialdehyde, and Na+ ions provided the hetero[2]catenanes with high selectivity and efficiency (44% and 64% yields, resp.), with minimal formation of the competing homo[2]catenane. The high complementary of the 2,6-dimethanolpyridine·Na+·di(ethylene glycol) ligand pair allowed us to synthesize [2]catenane dimers and trimers directly from corresponding isophthalaldehyde-presenting cores, with yields, after subsequent reduction and methylation, of 42% and 31%, resp. The experimental process involved the reaction of 2,6-Pyridinedimethanol(cas: 1195-59-1Category: alcohols-buliding-blocks)

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. Pyridines are often used as catalysts or reagents; particular notice has been paid recently to how pyridine coordinates to metal centers enabling a wide range of valuable reactions. Category: alcohols-buliding-blocks

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Electric Literature of C7H9NO2In 2020 ,《A Molecular Capsule with Revolving Doors Partitioning Its Inner Space》 appeared in Chemistry – A European Journal. The author of the article were Lei, Zhiquan; Finnegan, Tyler J.; Gunawardana, Vageesha W. Liyana; Pavlovic, Radoslav Z.; Xie, Han; Moore, Curtis E.; Badjic, Jovica D.. The article conveys some information:

Covalent capsule 1 was designed to include two mol. baskets linked with three mobile pyridines tucked into its inner space. On the basis of both theory (DFT) and experiments (NMR and X-ray crystallog.), we found that the pyridine “”doors”” split the chamber (380 Å3) of 1 so that two equally sizeable compartments (190 Å3) became joined through a conformationally flexible aromatic barrier. The compartments of such unique host could be populated with CCl4 (88 Å3; PC=46%), CBr4 (106 Å3; 56%) or their combination CCl4/CBr4 (PC=51%), with thermodn. stabilities ΔG° tracking the values of packing coefficients (PC). Halogen (C-X···π) and hydrogen bonding (C-H···X) contacts held the haloalkane guests in the cavities of 1. The consecutive complexations were found to occur in a neg. allosteric manner, which we propose to result from the induced-fit mode of complexation. Newly designed 1 opens a way for probing the effects of inner conformational dynamics on noncovalent interactions, reactivity and intramol. translation in confined spaces of hollow mols. In the experiment, the researchers used many compounds, for example, 2,6-Pyridinedimethanol(cas: 1195-59-1Electric Literature of C7H9NO2)

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. The basicity and metallophilic high donor number of these π-deficient systems has long favored them as ligands in metal catalysis. The last decade saw pyridine assume a stronger role as functional group for directed C–H oxidation/activation.Electric Literature of C7H9NO2

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The author of 《A Design Strategy for Single-Stranded Helicates using Pyridine-Hydrazone Ligands and PbII》 were Lobo, Maureen J.; Moratti, Stephen C.; Hanton, Lyall R.. And the article was published in Chemistry – An Asian Journal in 2019. COA of Formula: C7H9NO2 The author mentioned the following in the article:

The reactions of α,α-Pyridine-hydrazone (py-hz) ligands (L1-L5) with Pb(CF3SO3)2·H2O resulted in rare examples of discrete single-stranded helical PbII complexes. L1 and L2 formed nonhelical mononuclear complexes [PbL1(CF3SO3)2]·CHCl3 and [PbL2(CF3SO3)2][PbL2CF3SO3]CF3SO3·CH3CN, which reflected the high coordination number and effective saturation of PbII by the ligands. The reaction of L3 with PbII resulted in a dinuclear meso-helicate [Pb2L3(CF3SO3)2Br]CF3SO3·CH3CN with a Pb stereochem.-active lone pair. L4 directed single-stranded helicates with PbII, including [Pb2L4(CF3SO3)3]CF3SO3·CH3CN and [Pb2L4CF3SO3(MeOH)2](CF3SO3)3·2MeOH·2H2O. The acryloyl-modified py-hz ligand L5 formed helical and nonhelical complexes with PbII, including a trinuclear PbII complex [Pb3L5(CF3SO3)5]CF3SO3·3MeCN·Et2O. The high denticity of the long-stranded py-hz ligands L4 and L5 was essential to the formation of single-stranded helicates with PbII. After reading the article, we found that the author used 2,6-Pyridinedimethanol(cas: 1195-59-1COA of Formula: C7H9NO2)

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. Pyridine is a relatively complex molecule and exhibits a number of different bands in IR spectra. Among others, the bands characterizing the ν8a and ν19b modes have been found to be sensitive to the coordination or protonation of the molecule. Note that the band that is diagnostic for the PyH+ ion at about 1545 cm− 1 (ν19b mode) does not overlap with any of the other bands.COA of Formula: C7H9NO2

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《New efficient tetraphenyl silylated poly(azomethine)s based on “”pincer-like”” bis(imino)pyridine iron(III) complexes as heterogeneous catalysts for CO2 conversion》 was written by Sobarzo, Patricio A.; Terraza, Claudio A.; Maya, Eva M.. HPLC of Formula: 1195-59-1 And the article was included in European Polymer Journal in 2020. The article conveys some information:

Aromatic poly(azomethine)s containing simultaneously for the 1st time both tetra-Ph silane moieties and pincers of bis(imino)pyridine were prepared, to provide these polymers with a robust structure and ability to anchor metals. The polymers were prepared from difunctional monomers which provide an special conformation yielding moderate surface areas (up to 60 m2/g). The insolubility and further incorporation of Fe to these polymers have generated a new set of heterogeneous catalysts with high metal content, high thermal stability and with excellent catalytic performance in the cycloaddition of CO2 to epoxides to form cyclic carbonates. Very small amounts of catalysts work efficiently, in the absence of solvent, at moderate CO2 pressures (3 bar) showing very high yields of epoxide conversion (up to 95%), 100% of selectivity to the corresponding cyclic carbonate in all cases and high turn-over numbers (up to 7000) being reused at least five times with no apparent loss in catalytic activity. The new catalysts are more efficient than a similar catalyst previously reported for this conversion and work in milder conditions. The results came from multiple reactions, including the reaction of 2,6-Pyridinedimethanol(cas: 1195-59-1HPLC of Formula: 1195-59-1)

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. Pyridine derivatives lend themselves to many roles in the spirited field of supramolecular chemistry – whether as the ligand backbone of metal-organic polymers or presiding over the key electronic stations of nanodevices. In biochemistry, pyridine-containing cofactors are necessary nutrients on which our lives depend. HPLC of Formula: 1195-59-1

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Name: 2,6-PyridinedimethanolIn 2019 ,《Unprecedented isolation of a dinuclear tin (II) complex stabilized by pyridine-2,6-dimethanol: structure, DFT and in vitro screening of cytotoxic properties》 appeared in Applied Organometallic Chemistry. The author of the article were I., Mantasha; Raza, Kausar Md.; Shahid, M.; Ansari, Azaj; Ahmad, Musheer; Khan, Ishaat M.. The article conveys some information:

The authors report a novel dinuclear Sn(II) complex, [Sn2(Hpdm)2(H2O)6]·2H2O 2Cl (1) (H2pdm (3) = pyridine-2,6-dimethanol), which was crystallized out and characterized by elemental anal., FTIR, 1H and 13C NMR, single crystal x-ray studies and D. Functional Theory (DFT) anal. X-ray structure of 1 confirmed it to be a dinuclear alkoxo-bridged Sn(II) species where each metal adopts a seven coordinate distorted pentagonal bipyramidal (pbp) geometry. This is the first heptacoordinated Sn(II) complex ever isolated apart from already reported stannylenes. Spin d. plots from DFT support the +2 oxidation state of each tin metal. Hirshfeld surface anal. reveals various H-bonding interactions in the mol. and mol. docking results along with DFT confirm higher binding affinity of the present complex towards DNA. Moreover, the complex exhibits promising anticancer activities against HeLa and A549 cancer cell lines. After reading the article, we found that the author used 2,6-Pyridinedimethanol(cas: 1195-59-1Name: 2,6-Pyridinedimethanol)

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. The basicity and metallophilic high donor number of these π-deficient systems has long favored them as ligands in metal catalysis. The last decade saw pyridine assume a stronger role as functional group for directed C–H oxidation/activation.Name: 2,6-Pyridinedimethanol

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HPLC of Formula: 1195-59-1In 2021 ,《Pincer Ligand Enhanced Rhodium-Catalyzed Carbonylation of Formaldehyde: Direct Ethylene Glycol Production》 was published in Asian Journal of Organic Chemistry. The article was written by Meyer, Tim; Konrath, Robert; Kamer, Paul C. J.; Wu, Xiao-Feng. The article contains the following contents:

Formaldehyde is one of the most important bulk chems. and is produced on a million tone scale (52 million tons in 2017).[1] Since the middle of the last century, the challenge has remained to produce the valuable ethylene glycol (EG) directly from the C1 building block formaldehyde in a single step. In the systems reported so far, the reaction conditions were very harsh, often with pressures above 400 bar. However, under milder conditions, the selectivity was on the side of glycol aldehyde (GA) and the hydrogenation product methanol. Only traces of EG could be generated in the presence of a Rh catalyst. Herein, the authors describe a new Rh catalyst system with pincer ligand, which allows the direct one pot synthesis of EG from easy to handle paraformaldehyde (PFA) at remarkable mild conditions (70 bar, 100°C) and overcomes the aforementioned limitations with yield up to 40%. In the part of experimental materials, we found many familiar compounds, such as 2,6-Pyridinedimethanol(cas: 1195-59-1HPLC of Formula: 1195-59-1)

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. Pyridine and pyridine-derived structures are privileged pharmacophores in medicinal chemistry and an essential functionality for organic chemists. As the prototypical π-deficient heterocycle, pyridine illustrates distinctive chemistry as both substrate and reagent. HPLC of Formula: 1195-59-1

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