Author: tianli

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Supramolecular polymerization of Pt(II) complex with terpyridine-based ligand possessing alanine moiety in nonpolar solvent, the main research direction is platinum chiral terpyridine based ligand complex preparation luminescence.Computed Properties of C8H12Cl2Pt.

The authors report on the supramol. polymerization of Pt(II) complex with terpyridine-based ligand (1) possessing alanine moiety in nonpolar solvents, such as methylcyclohexane, n-hexane, chloroform, and dichloromethane. The supramol. polymer 1-Pt exhibited a strong orange emission as low as micromole concentration, which originated from the MLCT of 1-Pt in J-aggregation. The lifetime of supramol. polymer 1-Pt was 0.5-2.1μs in nonpolar solvents. The supramol. polymer 1-Pt showed a typical fiber structure using SEM observation. Besides, the supramol. polymer 1-Pt was generated by a cooperative pathway involving a nucleation-elongation mechanism.

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Product Details of 1195-58-0. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Pyridine-3,5-dicarbonitrile, is researched, Molecular C7H3N3, CAS is 1195-58-0, about In Situ Generation of Electrolyte inside Pyridine-Based Covalent Triazine Frameworks for Direct Supercapacitor Integration. Author is Troschke, Erik; Leistenschneider, Desiree; Rensch, Tilo; Graetz, Sven; Maschita, Johannes; Ehrling, Sebastian; Klemmed, Benjamin; Lotsch, Bettina V.; Eychmueller, Alexander; Borchardt, Lars; Kaskel, Stefan.

The synthesis of porous electrode materials is often linked with the generation of waste that results from extensive purification steps and low mass yield. In contrast to porous carbons, covalent triazine frameworks (CTFs) display modular properties on a mol. basis through appropriate choice of the monomer. Herein, the synthesis of a new pyridine-based CTF material is showcased. The porosity and nitrogen-doping are tuned by a careful choice of the reaction temperature An in-depth structural characterization by using Ar physisorption, XPS, and Raman spectroscopy was conducted to give a rational explanation of the material properties. Without any purification, the samples were applied as sym. supercapacitors and showed a specific capacitance of 141 F g-1. Residual ZnCl2, which acted formerly as the porogen, was used directly as the electrolyte salt. Upon the addition of water, ZnCl2 was dissolved to form the aqueous electrolyte in situ. Thereby, extensive and time-consuming washing steps could be circumvented.

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In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Frank-Kasper A15 Phase Formed in ABn Block-Graft Copolymers with Large Numbers of Graft Chains, published in 2020-11-24, which mentions a compound: 12080-32-9, Name is Dichloro(1,5-cyclooctadiene)platinum(II), Molecular C8H12Cl2Pt, Application of 12080-32-9.

Microphase-separated structures of a series of ABn block-graft copolymers were studied by transmission electron microscopy (TEM) coupled with small-angle X-ray scattering (SAXS). Five block-graft copolymers composed of the same polystyrene (S) backbone having polyisoprene (I) grafts with different chain lengths, wherein the numbers of grafts are almost constant (38 on average), were synthesized by living anionic polymerizations, resulting in coverage of the polystyrene composition range 0.32 ≤ φS ≤ 0.91. It was confirmed from the TEM observation that three low φS samples with φS of 0.32, 0.37, and 0.39 show complex spherical structures, while the sample with an φS of 0.57 reveals a hexagonal assembly of hexagonal rods of S in an I matrix, and the sample with φS of 0.91 exhibits inverse morphologies having rods of I in an S matrix. From detailed TEM and SAXS investigation combined with simulations, it has been found that the spherical structures formed from the samples with φS of 0.32 and 0.37 are both confirmed to have the structural feature of the Frank-Kasper A15 phase, which possesses the structural symmetry of the Pm3n space group.

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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Ghosh, Arun K.; Pandey, Satyendra; Gangarajula, Sudhakar; Kulkarni, Sarang; Xu, Xiaoming; Rao, Kalapala Venkateswara; Huang, Xiangping; Tang, Jordan researched the compound: 1-(2-Methylthiazol-4-yl)ethanone( cas:23002-78-0 ).Application of 23002-78-0.They published the article 《Structure-based design, synthesis, and biological evaluation of dihydroquinazoline-derived potent β-secretase inhibitors》 about this compound( cas:23002-78-0 ) in Bioorganic & Medicinal Chemistry Letters. Keywords: aminodihydroquinazoline preparation secretase inhibitor; quinazoline aminodihydro preparation secretase inhibitor. We’ll tell you more about this compound (cas:23002-78-0).

Structure-based design, synthesis, and biol. evaluation of a series of 2-amino-3,4-dihydroquinazoline-derived β-secretase inhibitors incorporating thiazole and pyrazole-derived P2-ligands are described. One inhibitor showed potent enzyme inhibitory (Ki = 13 nM) and cellular (IC50 = 21 nM in neuroblastoma cells) assays. The model of this compound suggested possible interactions in the active site.

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Application of 12080-32-9. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Photocytotoxic Pt(IV) complexes as prospective anticancer agents. Author is Canil, Giovanni; Braccini, Simona; Marzo, Tiziano; Marchetti, Lorella; Pratesi, Alessandro; Biver, Tarita; Funaioli, Tiziana; Chiellini, Federica; Hoeschele, James D.; Gabbiani, Chiara.

The use of Pt(IV) complexes as potential anticancer drugs is attractive, because they have higher stability and less side effects than Pt(II) compounds Moreover, some Pt(IV) complexes can also be activated with light, opening an avenue to photochemotherapy. Our purpose is to widen the library of photoactivatable Pt(II)-based prodrugs and here we report on the oxidation of the Pt(II) compound [PtCl(4′-phenyl-2,2′:6′,2”-terpyridine)][CF3SO3] (1) with PhICl2 or H2O2. The synthetic procedure avoids the formation of multiple species: the treatment with PhICl2 produces the Pt(IV) complex with axial chlorides, [PtCl3(4′-phenyl-2,2′:6′,2”-terpyridine)][CF3SO3] (2), while H2O2 oxidation and post-synthesis carboxylation produce [Pt(OCOCH3)2Cl(4′-phenyl-2,2′:6′,2”-terpyridine)][CF3SO3] (3), bearing acetates in the axial positions. 2 and 3 are stable in physiol.-like buffers and in DMSO in the dark, but undergo photoreduction to 1 upon irradiation at 365 nm. Their stability toward reduction is a fundamental parameter to consider: cyclic voltammetry experiments show that the 2 electron reduction Pt(IV) → Pt(II) occurs at a more neg. potential for 3, because of the greater stabilization provided by the acetate axial groups; noteworthily, 3 is stable for hours also in the presence of mM concentration of glutathione. The cytotoxicity of 2 and 3 toward A2780 and A2780cis cell lines reveals that 3 is the least toxic in the dark, but is able to produce cytotoxic effects far higher than cisplatin when irradiated. To shed light on the mechanistic aspects, the interaction with protein and DNA models has been explored through high-resolution mass spectrometry revealing that 2 and 3 behave as prodrugs, but are able to bind to biol. targets only after irradiation

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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Prince, Robin J.; Gao, Fang; Pazienza, Jessica E.; Marx, Isaac E.; Schulz, Jurgen; Hopkins, Brian T. researched the compound: 1-(4-Chlorophenyl)pyrrolidin-2-one( cas:7661-33-8 ).Quality Control of 1-(4-Chlorophenyl)pyrrolidin-2-one.They published the article 《Utilization of Cyclic Amides as Masked Aldehyde Equivalents in Reductive Amination Reactions》 about this compound( cas:7661-33-8 ) in Journal of Organic Chemistry. Keywords: cyclic amide masked aldehyde equivalent reductive amination. We’ll tell you more about this compound (cas:7661-33-8).

An operationally simple protocol has been discovered that couples primary or secondary amines with N-aryl-substituted lactams to deliver differentiated diamines in moderate to high yields. The process allows for the partial reduction of a lactam in the presence of Cp2ZrHCl (Schwartz’s reagent), followed by a reductive amination between the resulting hemiaminal and primary or secondary amine. These reactions can be telescoped in a one-pot fashion to significantly simplify the operation. The scope of amines and substituted lactams of various ring sizes was demonstrated through the formation of a range of differentiated diamine products. Furthermore, this methodol. was expanded to include N-aryl pyrrolidinone substrates with an enantiopure ester group at the 5-position, and α-amino piperidinones were prepared with complete retention of stereochem. information. The development of this chem. has enabled the consideration of lactams as useful synthons.

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Dichloro(1,5-cyclooctadiene)platinum(II)(SMILESS: C1=CCC/C=CCC/1.[Pt+2].[Cl-].[Cl-],cas:12080-32-9) is researched.Synthetic Route of C13H24N2O3. The article 《C-C* Platinum(II) Complexes with Electron-Withdrawing Groups and Beneficial Auxiliary Ligands: Efficient Blue Phosphorescent Emission》 in relation to this compound, is published in Inorganic Chemistry. Let’s take a look at the latest research on this compound (cas:12080-32-9).

Cyclometalated arylimidazolylidene platinum complexes with diketonate and dipyrazolylborate auxiliary ligands were prepared and examined for photoluminescence and photophys. properties. The combination of strong electron-withdrawing groups in cyclometalated N-heterocyclic carbene ligands (C-C*) with known beneficial auxiliary ligands in phosphorescent platinum(II) complexes leads to efficient light-to-deep-blue emission with quantum yields of up to 92%. All compounds were characterized and investigated regarding their photophys., electrochem., and thermal properties, and three complexes could addnl. be characterized by solid-state structures. D. functional theory calculations (PBE0/6-311G* with dispersion correction) are reported.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Computational & Theoretical Chemistry called Additivity of substituent effects on the proton affinity and gas-phase basicity of pyridines, Author is Ebrahimi, A.; Habibi-Khorasani, S. M.; Jahantab, M., which mentions a compound: 1195-58-0, SMILESS is N#CC1=CC(C#N)=CN=C1, Molecular C7H3N3, COA of Formula: C7H3N3.

The change in the proton affinity (PA) and basicity (GB) of pyridine with substituents have been considered by quantum mech. methods at the B3LYP/6-311++G(d,p) level of theory. The PA and GB values increase by the electron-donating substituents and decrease by the electron-withdrawing substituents. The effects of substituents on the PA and GB are approx. additive. The deviations of changes that are predicted from the additivity of substituent effects are generally lower than 30% from the calculated changes. Linear relationships are observed between the calculated PA values of substituted pyridines and the topol. properties of electron d., the mol. electrostatic potentials (MEP), and the N-H bond lengths. In addition, well-defined relations are established between the calculated PA values and the Hammett constants, and the reaction constant (ρ) has been calculated for the protonation reaction. With some exceptions, the effect of substituents are also additive on the electron d. and its Laplacian calculated at N-H BCP, and the MEP values calculated around the N atom.

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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Bhunia, Subhajit; De, Subhadip; Ma, Dawei researched the compound: 1-(4-Chlorophenyl)pyrrolidin-2-one( cas:7661-33-8 ).Computed Properties of C10H10ClNO.They published the article 《Room Temperature Cu-Catalyzed N-Arylation of Oxazolidinones and Amides with (Hetero)Aryl Iodides》 about this compound( cas:7661-33-8 ) in Organic Letters. Keywords: aryl oxazolidinone preparation arylamide copper catalyst; oxazolidinone amide heteroaryl iodide arylation. We’ll tell you more about this compound (cas:7661-33-8).

N,N′-Bis(pyridin-2-ylmethyl)oxalamide (BPMO) was found to be an apposite promoter for the Cu-catalyzed N-arylation of oxazolidinones and primary and secondary amides with (hetero)aryl iodides at room temperature Excellent chemoselectivity reached between aryl iodides and aryl bromides, and a wide range of functional groups tolerated the reaction conditions, which led to the formation of greatly diverse N-arylation products.

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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 7661-33-8, is researched, Molecular C10H10ClNO, about Efficient Synthesis of N-Substituted 2,4-Azepandione Ring System as an Active Intermediate for Heterocyclic Syntheses, the main research direction is azepandione preparation; butanoate acetylarylamino ethyl cyclization.SDS of cas: 7661-33-8.

An improved efficient synthesis for 2,4-azepandiones I [R = H, CH3, Cl; R1 = H, CO2CH3] could be achieved by a careful control of the reaction conditions to cyclize Et 4-(N-acetylarylamino)butanoates 4-R-2-R1C6H3N[(CH2)3CO2CH2CH3]C(O)CH3, resp. Et 4-arylamino butanoates 4-R-2-R1C6H3NH(CH2)3C(O)2CH2CH3 was prepared by stirring the Et 4-bromobutanoate and substituted anilines 4-R-2-R1C6H3NH2 at room temperature Then, they were acetylated with acetyl chloride and triethylamine under the conditions that avoid the formation of 2-pyrrolidinone derivatives II. Due to the rapid decomposition of Et 4-(N-acetylarylamino)butanoates to Et 4-arylaminobutanoates, the reaction mixture was directly transferred without workup to the next cyclization step. The azepandione synthesis was favored by using a weak base at low temperature, where it was in a competition with the other modes of ring closure. The structures of the new compounds were supported by correct anal. and spectral data.

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