Author: tianli

Name: Dichloro(1,5-cyclooctadiene)platinum(II). The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Zero-valent ML2 complexes of group 10 metals supported by terphenyl phosphines. Author is Martin, M. Trinidad; Marin, Mario; Rama, Raquel J.; Alvarez, Eleuterio; Maya, Celia; Molina, Francisco; Nicasio, M. Carmen.

Bulky terphenyl phosphine ligands PMe2Ar’ (Ar’ = terphenyl group) facilitate the isolation of zero-valent bis-phosphine complexes of Ni, Pd and Pt. The former show coordination numbers greater than two in the solid state due to the existence of Ni-Carene interactions with the terphenyl fragment.

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Synthesis and pharmacological evaluation of benzamide derivatives as potent and selective sigma-1 protein ligands, published in 2017-09-29, which mentions a compound: 7661-33-8, mainly applied to aminoalkyl benzamide preparation sigma protein cytotoxicity human docking SAR; benzyl methyl propanamine preparation sigma protein safety human SAR; Benzamide; CNS; Sigma protein, Category: alcohols-buliding-blocks.

A series of novel N-(aminoalkyl)benzamide derivatives such as I [m = 2, 3; R1 = Me; R2 = Bn, (CH2)2C6H4; R1R2 = (CH2)4, (CH2)2O(CH2)2, (CH2)2NMe(CH2)2, etc.; R3 = H, 4-n-Bu, 4-Cl, etc.] and N-benzyl-N-methyl-propan-1-amine derivatives II [X = CH2NH, SO2NH, NHC(O)] was designed, synthesized and pharmacol. evaluated. In vitro competition binding assays against sigma proteins (sigma-1 S1R and sigma-2 S2R) revealed that most of them conferred S2R/S1R selectivity toward without cytotoxic effects on SY5Y cells, especially with compounds I [m = 2, 3; R1 = Me; R2 = Bn]. Some selected compounds were also evaluated for their agonist and antagonist activities on a panel of 40 receptors and results showed the importance of the nature and the position with halogeno atom on the benzamide scaffold, the length chain and also the contribution of the hydrophobic part on the amine group. Among them, compounds I [m = 2, 3; R1 = Me; R2 = Bn; R3 = 4-Cl, 4-CN, 4-NO2] showed excellent affinity for S1R (Ki = 1.2-3.6 nM), selectivity for S2R (Ki up to 1400 nM) and high selectivity index (IC50(SY5Y)/Ki(S1R) ratio from 28/000 to 83/000). Furthermore, these compounds I and II presented an excellent safety profile over 40 other receptors.

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Synthesis and Photophysical Properties of Chalcophenes-Embedded Cycloparaphenylenes, published in 2019-05-03, which mentions a compound: 12080-32-9, mainly applied to chalcophenes cycloparaphenylene photophys property, Application In Synthesis of Dichloro(1,5-cyclooctadiene)platinum(II).

[N]Cyclo-4,4′-biphenylene-2”,5”-thienylenes ([n]CP2T, n = 3, 4), [n]cyclo-4,4′-biphenyl-ene-2”,5”-selenylenes ([n]CP2S, n = 3, 4), and [n]cyclo-4,4′-biphenylene-2”,5”-ethylenedioxythienylenes ([n]CP2E, n = 3) were synthesized in few steps with high overall yields. These nanorings were prepared through platinum-mediated cyclooligomerization of 2,5-bis(4-pinacolboryl-phenyl)chalcophenes. The X-ray crystallog. anal. of [4]CP2S showed that it employed a cone-shaped conformation in the solid state. Furthermore, their photophys. properties were investigated by using the UV-vis absorption spectra and fluorescence spectra. In particular, selenophene and 3,4-ethylenedioxythiophene-embedded cycloparaphenylenes, which showed significant red shifts in the UV-vis absorption and fluorescence spectra compared with thiophene analogs, are reported here for the first time.

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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 HMO [Hueckel molecular orbital] calculation and the reactivity of quinolinecarbonitriles and isoquinolinecarbonitriles with nucleophilic reagents, published in 1971, which mentions a compound: 1195-58-0, Name is Pyridine-3,5-dicarbonitrile, Molecular C7H3N3, Name: Pyridine-3,5-dicarbonitrile.

Simple Hueckel MO calculations were carried out to explain the fact that the Grignard reagents attack the CN group of 2- and 4-quinolinecarbonitriles and 1- and 3-isoquinolinecarbonitriles, whereas the ring is attacked in the case of 3-quinolinecarbonitrile and 4-isoquinolinecarbonitrile. These facts could be explained by the reactivity indexes obtained with the following parameters: α + 0.5β for the Coulomg integral of N in the ring, α + 1.1β for the Coulomb integral of N of the cyano group, and 1.4β for resonance integral of the cyano group. The νCN absorption could be correlated with the π-bond order of the cyano group and the chem. shifts of H with the π-electron density (qr) by the equation: δ = 19.64 – 12.20qr. 1-Propionylisoquinoline, b5 125°, was prepared

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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.Category: alcohols-buliding-blocks. The article 《Spectroscopic, structural and DFT studies of luminescent Pt(II) and Ag(I) complexes with an asymmetric 2,2′-bipyridine chelating ligand》 in relation to this compound, is published in Journal of Molecular Structure. Let’s take a look at the latest research on this compound (cas:12080-32-9).

A new unsym. substituted 2,2′-bipyridine ligand, 5-methyl-5′-carbomethoxy-2,2′-bipyridine (L) was isolated from the dry distillation of the copper(II) complex, mono-aqua-bis(trans-5-methyl-pyridine-2-carboxylato-N,O)copper(II). The ligand was fully characterized. The spectroscopic and single-crystal x-ray diffraction (SCXRD) studies of the coordination compounds of the ligand with platinum(II) and silver(I); cis-Pt(L)Cl2 (1) and [Ag(L)2]PF6 (2), resp. are reported. In 1, the Pt center coordinates to tertiary N atoms of the ligand and two chloride ions to form a neutral square-planar coordination sphere, while in 2, the Ag(I) center is coordinated by two ligands through N atoms to generate a cationic flattened tetrahedron geometry in which two mean planes intersect each other at 50.93°. The pyridine rings are nearly coplanar as revealed by the torsion angle of N2-C7-C6-N1 1.32(5)°. In both complexes, L acts as a chelating ligand through pyridyl N atoms. In 1, the mol. units are stacked in a head-to-tail fashion with a Pt···Pt separation of 3.5 Å. Supramol. self-assembly of the mol. units by extensive intermol. contacts through C-H···Cl and C-H···O between the adjacent units results in an infinite two-dimensional flattened-out herringbone structure in the crystalline state. In 2, the mol. units are interconnected with each other by C-H···O contacts between the adjacent units running parallel to each other. Both complexes are fluorescent in solution and have emission maxima in the UV-Vis regions, which is a very important property for optoelectronic applications. DFT (d. functional theory) and TD-DFT (time-dependent-DFT) calculations were performed at B3LYP/6-311+G(d,p)/LANL2DZ level to explore structural, electronic, and spectroscopic properties to compare with the exptl. results. The MOs were carried out with DFT at the same level.

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Category: alcohols-buliding-blocks. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about A sterically congested 1,2-diphosphino-1′-boryl-ferrocene: synthesis, characterization and coordination to platinum. Author is Lerayer, Emmanuel; Renaut, Patrice; Roger, Julien; Pirio, Nadine; Cattey, Helene; Fleurat-Lessard, Paul; Boudjelel, Maxime; Massou, Stephane; Bouhadir, Ghenwa; Bourissou, Didier; Hierso, Jean-Cyrille.

A new class of tritopic ferrocene-based ambiphilic compounds has been prepared by assembling diphosphino- and boryl-substituted cyclopentadienides at iron. The presence of five sterically demanding substituents on the ferrocene platform induces conformational constraints, as is apparent from XRD and NMR data, but does not prevent the chelating coordination to platinum. The Lewis acid moiety is pendant in both the free ligand and the platinum complex.

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Ball, Melissa; Zhang, Boyuan; Zhong, Yu; Fowler, Brandon; Xiao, Shengxiong; Ng, Fay; Steigerwald, Michael; Nuckolls, Colin published an article about the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9,SMILESS:C1=CCC/C=CCC/1.[Pt+2].[Cl-].[Cl-] ).Name: Dichloro(1,5-cyclooctadiene)platinum(II). Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:12080-32-9) through the article.

This Account describes a body of research on the design, synthesis, and application of a new class of electronic materials made from conjugated macrocycles. Our macrocyclic design takes into consideration the useful attributes of fullerenes and what properties make fullerenes efficient n-type materials. We identified four electronic and structural elements: (1) a three-dimensional shape; (2) a conjugated and delocalized π-space; (3) the presence of an interior and exterior to the π-surface; and (4) low-energy unoccupied MOs allowing them to accept electrons. The macrocyclic design incorporates some of these properties, including a three-dimensional shape, an interior/exterior to the π-surface, and low-lying LUMOs maintaining the n-type semiconducting behavior, yet we also install synthetic flexibility in our approach in order to tune the properties further. Each of the macrocycles comprises perylenediimide cores wound together with linkers. The perylenediimide building block endows each macrocycle with the ability to accept electrons, while the synthetic flexibility to install different linkers allows us to create macrocycles with different electronic properties and sizes. We have created three macrocycles that all absorb well into the visible range of the solar spectrum and possess different shapes and sizes. We then use these materials in an array of applications that take advantage of their ability to function as n-type semiconductors, absorb in the visible range of the solar spectrum, and possess intramol. cavities. This Account will discuss our progress in incorporating these new macrocycles in organic solar cells, organic photodetectors, organic field effect transistors, and sensors. The macrocycles outperform acyclic controls in organic solar cells. We find the more rigid macrocyclic structure results in less intrinsic charges and lower dark current in organic photodetectors. Our macrocyclic-based photodetector has the highest detectivity of non-fullerene acceptors. The macrocycles also function as sensors and are able to recognize nuanced differences in analytes. Perylenediimide-based fused oligomers are efficient materials in both organic solar cells and field effect transistors. We will use the oligomers to construct macrocycles for use in solar energy conversion. In addition, we will incorporate different electron-rich linkers in our cycles in an attempt to engineer the HOMO/LUMO gap further. Looking further into the future, we envision opportunities in applying these conjugated macrocycles as electronic host/guest materials, as concatenated electronic materials by threading the macrocycles with electroactive oligomers, and as a locus for catalysis that is driven by light and elec. fields.

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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 7661-33-8, is researched, SMILESS is O=C1N(C2=CC=C(Cl)C=C2)CCC1, Molecular C10H10ClNOJournal, Suomen Kemistilehti B called Dipole moments of substituted 1-phenyl-2-pyrrolidones, Author is Virtanen, P. Olavi I.; Ruostesuo, Pirkko; Ruostesuo, Pirkko, the main research direction is dipole moment phenylpyrrolidones; phenylpyrrolidones dipole moment; pyrrolidones phenyl dipole moment; methylphenylpyrrolidones dipole moment; chlorophenylpyrrolidones dipole moment; methoxyphenylpyrrolidones dipole moment.Name: 1-(4-Chlorophenyl)pyrrolidin-2-one.

The dipole moments of 1-phenyl-2-pyrrolidone and its 2′-methyl, 3′-methyl, 4′-methyl, 2′-chloro, 3′-chloro, 4′-chloro, 2′-methoxy, 3′-methoxy, and 4′-methoxy derivatives were measured in dioxane at 30° and the dipole moments of the 1st 4 compounds also in cyclohexane at 30°. The dipole moments were larger in dioxane than in cyclohexane. The dipole moments of all the compounds except 1-(3-methoxyphenyl)-2-pyrrolidone and 1-(4-methoxyphenyl)-2-pyrrolidone agree with the values calculated by applying Eyring’s treatment and assuming free rotation of the pyrrolidonyl group about the bond joining it to the aromatic ring.

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Product Details of 1195-58-0. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Pyridine-3,5-dicarbonitrile, is researched, Molecular C7H3N3, CAS is 1195-58-0, about Organosilicon compounds. XX. Synthesis of aromatic diamines via trimethylsilyl-protecting aniline intermediates. Author is Pratt, J. Richard; Massey, W. Dale; Pinkerton, Frank H.; Thames, Shelby F..

A synthetic approach utilizing a Me3Si protecting group was used to produce Si and diketo containing diamines. Thus, the halogen-metal interchange of N,N-bis(trimethylsilyl)bromoanilines with BuLi in ether produced Li derivatives, which were treated with dichloro silanes or dinitriles to afford the N,N-bis(trimethylsilyl)silicon containing dianilines or the corresponding lithioimines, resp. Hydrolysis removed the trimethylsilyl protecting groups and converted the lithioimines to the carbonyl compounds to afford the free diamines.

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SDS of cas: 7661-33-8. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 1-(4-Chlorophenyl)pyrrolidin-2-one, is researched, Molecular C10H10ClNO, CAS is 7661-33-8, about Cyclization of N-arylcyclopropanecarboxamides into N-arylpyrrolidinones-2 under electron ionization and in the condensed phase. Author is Lebedev, A. T.; Mazur, D. M.; Kudelin, A. I.; Fedotov, A. N.; Gloriozov, I. P.; Ustynyuk, Yu. A.; Artaev, V. B..

Mass spectrometry is known as an excellent method to predict the behavior of organic compounds in solution The behavior of organic compounds in the gas-phase inside an ion source of a mass spectrometer allows their intrinsic properties to be defined, avoiding the influence of intermol. interactions, counter ions and solvent effects. Arylpyrrolidinones-2 were obtained by condensed phase synthesis from the corresponding N-arylcyclopropanecarboxamides. Electron ionization (EI) with accurate mass measurements by high-resolution time-of-flight mass-spectrometry and quantum chem. calculations were used to understand the behavior of the mol. radical cations of N-arylcyclopropanecarboxamides and N-arylpyrrolidinones-2 in the ion source of a mass spectrometer. The geometries of the mols., transition states, and intermediates were fully optimized using DFT-PBE calculations Fragmentation schemes, ion structures, and possible mechanisms of primary isomerization were proposed for isomeric N-arylcyclopropanecarboxamides and N-arylpyrrolidinones-2. Based on the fragmentation pattern of the N-arylcyclopropanecarboxamides, isomerization of the original M+· ions into the M+· ions of the N-arylpyrrolidinones-2 was shown to be only a minor process. On the contrary, this cyclization proceeds easily in the condensed phase in the presence of the Bronsted acids. Based on the exptl. data and quantum chem. calculations the principal mechanism of decomposition of the mol. ions of N-arylcyclopropanecarboxamides involves their direct fragmentation without any rearrangements. An alternative mechanism is responsible for the isomerization of a small portion of the higher energy mol. ions into the corresponding N-arylpyrrolidinones-2 ions.

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