Author: tianli

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.Recommanded Product: 2-Bromo-6-methylphenol. The article 《Classics Meet Classics: Theoretical and Experimental Studies of Halogen Bonding in Adducts of Platinum(II) 1,5-Cyclooctadiene Halide Complexes with Diiodine, Iodoform, and 1,4-Diiodotetrafluorobenzene》 in relation to this compound, is published in Crystal Growth & Design. Let’s take a look at the latest research on this compound (cas:12080-32-9).

Complexes of PtX2COD (X = Cl, Br, I; COD = 1,5-cyclooctadiene) were cocrystd. with classical halogen-bond donors (CHI3, I2, and 1,4-diiodotetrafluorobenzene (FIB)), resulting in noncovalently bound supramol. aggregates of various lengths-from heterotrimers to polymers. The influence of halides in the complexes on the geometry and strength of the halogen bond (XB) was studied both exptl. by single-crystal XRD and theor. by quantum chem. methods such as noncovalent interaction plots (NCI-plot), electrostatic potential (ESP) surface anal., and a combination of electron localization function (ELF) and quantum theory of atoms in mols. (QTAIM) analyses. It was shown that strength of XB interactions in the adducts increases in the order CHI3 > FIB > I2. Although halogen bonding was found to be the main preorganizing force in the structures, in the case of FIB adducts a rare Pt···I interaction was involved in addnl. stabilization of the structure. Hence, fine-tuning of halogen bonding can influence the length of the polymer, as well as the strength and directionality of interactions in the adduct. Since Hassel’s already classical work on charge-transfer interactions, halogen bonding has attracted a great deal of attention as a potentially useful instrument to organize mols. Due to the tunability, relative strength, and directionality, halogen bonding has been used as a self-assembly tool in crystal engineering. In this study classics meet classics: classical halogen bond donors XBD (such as mol. iodine, iodoform, and FIB) and classical synthons PtX2COD were used to create metallopolymeric adducts. In the obtained systems the XBD influenced the geometry (1D or 2D) and the length (heterotrimer or polymer) of the adduct. To understand differences among the obtained systems, they were further studied with computational methods, and addnl. stabilizing weak interactions were discovered. Caution: COD is hazardous to health and should be handled with care.

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Category: alcohols-buliding-blocks. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Stereoselectivity in spontaneous assembly of rolled incommensurate carbon bilayers. Author is Matsuno, Taisuke; Ohtomo, Yutaro; Someya, Maki; Isobe, Hiroyuki.

The periodicity of two-dimensional entities can be manipulated by their stacking assembly, and incommensurate stacks of bilayers are attracting considerable interest in materials science. Stereoisomerism in incommensurate bilayers was first noted with incommensurate double-wall carbon nanotubes composed of helical carbon networks, but the lack of structural information hampered the chem. understanding such as the stereoselectivity during bilayer formation. In this study, we construct a finite mol. version of incommensurate carbon bilayers by assembling two helical cylindrical mols. in solution An outer cylindrical mol. is designed to encapsulate a small-bore helical cylindrical mol., and the spontaneous assembly of coaxial complexes proceeds in a stereoselective manner in solution with a preference for heterohelical combinations over diastereomeric, homohelical combinations. The rational design of incommensurate bilayers for material applications may be facilitated by the design and development of mol. versions with discrete structures with at. precision.

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Recommanded Product: 12080-32-9. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Synthesis, characterization, and photophysical properties of cyclometalated N-Heterocyclic carbene Platinum(II) complexes. Author is Mastrocinque, Francesco; Anderson, Craig M.; Elkafas, Adel M.; Ballard, Isabel V.; Tanski, Joseph M..

Cyclometalated platinum complexes I (R = Me, 3-thienylmethyl; X1, X2 = H, benzo) were prepared by a two-step, one-pot procedure and characterized; the complexes showed photoluminescence at 450-550 nm. Thiophene and benzothiophene ligands containing N-heterocyclic carbene (NHC) moieties were used to synthesize five and six-membered Pt(II) metallacycles. Ligand scaffolding was synthesized using two methods. The ligands were synthesized using a coupling reaction, utilizing Cu2O as the catalyst or were synthesized using a nucleophilic substitution reaction. The ligands were then metalated by chelate-assisted C-H activation. The synthesis, characterization, reactivity, and photophys. properties of these NHC-functionalized, cyclometalated products are reported.

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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, Synlett called Facile CuI-catalyzed arylation of azoles and amides using simple enaminones as efficient ligands, Author is Cheng, Cungui; Sun, Gonglei; Wan, Jieping; Sun, Cuirong, the main research direction is azole aryl halide arylation copper iodide dimethylaminopropenone hydroxyphenyl; arylated azole preparation; aryl halide amide arylation copper iodide dimethylaminopropenone hydroxyphenyl; amide arylated preparation; copper iodide arylation catalyst; dimethylaminopropenone hydroxyphenyl catalytic arylation ligand.Safety of 1-(4-Chlorophenyl)pyrrolidin-2-one.

(E)-3-(Dimethylamino)-1-(2-hydroxyphenyl)prop-2-en-1-one was found to be an excellent ligand for copper-catalyzed N-arylation of azoles and amides with aryl halides under mild conditions. The reaction took place at 82 °C in MeCN with broad functional-group compatibility. A combination of the ligand and CuI proved to be an efficient catalytic system to promote the coupling reactions of aryl halides with azoles and amides.

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Zheng, Yanling; Nie, Xufeng; Long, Yang; Ji, Li; Fu, Haiyan; Zheng, Xueli; Chen, Hua; Li, Ruixiang published the article 《Ruthenium-catalyzed synthesis of N-substituted lactams by acceptorless dehydrogenative coupling of diols with primary amines》. Keywords: lactam preparation green chem; diol amine dehydrogenative coupling ruthenium catalyst.They researched the compound: 1-(4-Chlorophenyl)pyrrolidin-2-one( cas:7661-33-8 ).Quality Control of 1-(4-Chlorophenyl)pyrrolidin-2-one. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:7661-33-8) here.

The first example of synthesis of N-substituted lactams I (R = Ph, 4-(propan-2-yl)phenyl, 2H-1,3-benzodioxol-5-yl, naphthalen-2-yl, etc.; n = 1,2,3) and N-(p-tolyl)isoindolin-2-one via an acceptorless dehydrogenative coupling of diols HO(CH2)2(CH2)nCH2OH and [2-(hydroxymethyl)phenyl]methanol with primary amines RNH2 in one step, which was enabled by combining Ru3(CO)12 with a hybrid N-heterocyclic carbene-phosphine-phosphine ligand as the catalyst have been reported.

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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.Kukalenko, S. S.; Gracheva, N. A. researched the compound: 1-(4-Chlorophenyl)pyrrolidin-2-one( cas:7661-33-8 ).Reference of 1-(4-Chlorophenyl)pyrrolidin-2-one.They published the article 《New synthesis of N-aryl- and N-alkylpyrrolidones, and some of their properties》 about this compound( cas:7661-33-8 ) in Khimiya Geterotsiklicheskikh Soedinenii. Keywords: aryl pyrrolidinones. We’ll tell you more about this compound (cas:7661-33-8).

N-Aryl pyrrolidinones (I) [R = 2,3-Me2C6H3, 2-ClC6H4, 4-ClC6H4, 3,4-Cl2C6H3, 4-BrC6H4, and 2,4-(MeO)BrC6H3] were prepared with 85-98% yield by heating equimolar amounts of γ-butyrolactone (II) and hydrochlorides of primary aromatic amines at 60-210° for 4-20 hr. The reaction of II with hydrochlorides of aliphatic amines proceeds with difficulty and the yield of the corresponding N-alkyl pyrrolidinones is 20-33%. All the pyrrolidinones are active fungicides.

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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, Organometallics called Dinuclear Copper(I) Complexes as Precatalysts in Ullmann and Goldberg Coupling Reactions, Author is Haldon, Estela; Alvarez, Eleuterio; Nicasio, M. Carmen; Perez, Pedro J., the main research direction is copper bisazaindolylmethane dinuclear complex preparation crystal structure; cross coupling catalyst copper bisazaindolylmethane dinuclear complex; Ullmann coupling catalyst copper bisazaindolylmethane dinuclear complex; Goldberg coupling catalyst copper bisazaindolylmethane dinuclear complex.Reference of 1-(4-Chlorophenyl)pyrrolidin-2-one.

The use of structurally well-characterized Cu(I) species as precatalysts in C-N and C-S bond forming reactions is described. Two new dinuclear Cu(I) complexes containing two isomeric ligands of bis(7-azaindolyl)methane were synthesized and fully characterized by NMR and x-ray diffraction studies. Both Cu(I) species exhibit a 1:1 Cu/L ratio and were used as precatalysts in the N-arylation of 2-pyrrolidinone and S-arylation of thiols with aryl iodides. The complexes efficiently catalyze these cross-coupling reactions, affording high yields of products under mild conditions.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ) is researched.Application In Synthesis of Dichloro(1,5-cyclooctadiene)platinum(II).Moon, Sangjoon; Horiuchi, Shinnosuke; Sakuda, Eri; Ito, Akitaka; Arikawa, Yasuhiro; Umakoshi, Keisuke published the article 《Synthesis and photophysical properties of butterfly-shaped dinuclear Pt(II) complex having NHC-based chelate ligands》 about this compound( cas:12080-32-9 ) in Inorganica Chimica Acta. Keywords: dinuclear platinum pyridylimidazole pyrazole complex preparation crystal structure luminescence; DFT calculation dinuclear platinum pyridylimidazole pyrazole complex. Let’s learn more about this compound (cas:12080-32-9).

A butterfly-shaped dinuclear Pt(II) complex having pyridyl-NHC chelate ligands and bridging Me2pz ligands was synthesized. The crystal structure of the Pt2 complex showed short intramol. Pt···Pt distance (3.129 Å) and unique packing structure containing 1-dimensional infinite pore that was filled with solvent mols. The absorbance was proportional to the concentration of Pt2 complex and no significant bands appeared even in high concentration (up to 100 μM). The Pt2 complex showed bluish-green emission (λmax = 459 nm) in the solid state at 298 K (λex = 330 nm). TD-DFT calculation revealed that the lowest-energy absorption bands are mainly assigned to the combination of metal-to-ligand charge transfer (MLCT) and ligand-to-ligand charge transfer (LLCT) transitions.

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Reference of 3-Bromo-4-chloronitrobenzene. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 3-Bromo-4-chloronitrobenzene, is researched, Molecular C6H3BrClNO2, CAS is 16588-26-4, about Synthesis of phenothiazines via ligand-free CuI-catalyzed cascade C-S and C-N coupling of aryl ortho-dihalides and ortho-aminobenzenethiols. Author is Dai, Chuan; Sun, Xiaofei; Tu, Xingzhao; Wu, Li; Zhan, Dan; Zeng, Qingle.

A ligand-free CuI-catalyzed cascade C-S and C-N cross coupling of (hetero)aryl ortho-dihalides and ortho-aminobenzenethiols has been developed, and various phenothiazines were synthesized with excellent regioselectivity. A possible mechanism is proposed for the cascade coupling.

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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 Photophysical Properties of Phosphorescent Mono- and Bimetallic Platinum(II) Complexes with C C* Cyclometalating NHC Ligands, published in 2021-02-22, which mentions a compound: 12080-32-9, mainly applied to imidazopyridinyl bimetallic platinum pyrazolate complex preparation electronic structure phosphorescence; crystal structure imidazopyridine bimetallic platinum pyrazolate complex; mol structure imidazopyridine bimetallic platinum pyrazolate complex; imidazopyridine cyclometalation platinum complex, Computed Properties of C8H12Cl2Pt.

Due to their square-planar geometry, Pt(II) complexes demonstrate an extraordinary and unique photophys. behavior. The photophys. properties of monometallic Pt(II) complexes depend on the concentration, while in bimetallic Pt(II) complexes they depend on the distance between the metal centers. The authors reveal a correlation between the electronic and photophys. properties of monomeric monometallic Pt(II) complexes and their aggregates with the corresponding bimetallic complexes.

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