Month: April 2022

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 1-Bromoundecane(SMILESS: CCCCCCCCCCCBr,cas:693-67-4) is researched.Recommanded Product: 1452-77-3. The article 《The Guanidine-Promoted Direct Synthesis of Open-Chained Carbonates》 in relation to this compound, is published in Australian Journal of Chemistry. Let’s take a look at the latest research on this compound (cas:693-67-4).

In order to reduce CO2 accumulation in the atm., chem. fixation methodologies were developed and proved to be promising. In general, CO2 was turned into cyclic carbonates by cycloaddition with epoxides. However, the cyclic carbonates need to be converted into open-chained carbonates by transesterification for industrial usage, which results in wasted energy and materials. Herein, a process catalyzed by tetramethylguanidine (TMG) to afford linear carbonates directly is reported. This process is greener and shows potential for industrial applications.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

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 Aerobic oxidation of primary benzylic amines to amides and nitriles catalyzed by ruthenium carbonyl clusters carrying N,O-bidentate ligands, published in 2020, which mentions a compound: 1452-77-3, mainly applied to trinuclear ruthenium carbonyl catalyst preparation; nitrile preparation; amide preparation; benzylic amine aerobic oxidation, Recommanded Product: 1452-77-3.

Four trinuclear ruthenium carbonyl clusters were synthesized from the reactions of Ru3(CO)12 with the corresponding N,O-bidentate ligands (two pyridyl alcs. and two Schiff bases) resp. in a ratio of 1 : 2. Three new complexes were fully characterized by elemental anal., FT-IR, NMR and X-ray crystallog. The catalytic activity of these ruthenium complexes for the aerobic oxidation of primary benzylic amines to amides and nitriles in the presence of t-BuOK was investigated.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

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, Article, Nanoscale Research Letters called Synergistic Photocatalytic-Adsorption Removal of Basic Magenta Effect of AgZnO/Polyoxometalates Nanocomposites, Author is Tian, Heyun; Luo, Jie; Zhang, Ke; Ma, Chenguang; Qi, Yiyi; Zhan, Shixia; Liu, Xiao; Li, Mingxue; Liu, Hongling, which mentions a compound: 1452-77-3, SMILESS is O=C(N)C1=NC=CC=C1, Molecular C6H6N2O, Recommanded Product: 1452-77-3.

The bifunctional photocatalytic-adsorbent AgZnO/polyoxometalates (AgZnO/POMs) nanocomposites were synthesized by combining AgZnO hybrid nanoparticles and polyoxometalates [Cu(L)2(H2O)]H2[Cu(L)2(P2Mo5O23)]·4H2O (HL = C6H6N2O) into nanostructures via a sonochem. method. Transmission electron microscopy (TEM) indicated that AgZnO/POMs nanocomposites were uniform with narrow particle size distribution and without agglomeration. X-ray powder diffraction (XRD) and XPS anal. confirmed the nanostructure and composition of AgZnO/POMs nanocomposites. The UV-visible spectra (UV-Vis) and photoluminescence spectra (PL) confirmed excellent optical properties of the AgZnO/POMs nanocomposites. 94.13% ± 0.61 of basic magenta (BM) in aqueous solution could be removed using the AgZnO/POMs nanocomposites through adsorption and photocatalysis. The kinetic anal. showed that both the adsorption and photocatalysis process conform to pseudo-second-order kinetics. In addition, the removal rate of AgZnO/POMs nanocomposites was found to be almost unchanged after 5 cycles of use. The bifunctional photocatalytic-adsorbent AgZnO/POMs nanocomposites with high stability and cycling performance have broad application prospects in the treatment of refractory organic dye wastewater containing triphenylmethane.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

Electric Literature of C11H23Br. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 1-Bromoundecane, is researched, Molecular C11H23Br, CAS is 693-67-4, about Imidazole and benzoimidazole derived new ionic liquid crystal compounds: synthesis, characterisation, mesomorphic properties and DFT computations. Author is Mohammad, AbdulKarim-Talaq; Khalefa, Omar S.; Srinivasa, H. T.; Ameen, Wissam Ahmed.

Four new series of ionic liquid crystals derived from imidazole bromonium and benzimidazole bromonium salts with spacer alkyl chain (Cn, n = 2, 4) were synthesized and characterized. The following tests and measurements have been performed: the FT-IR, 1H-NMR and 13C-NMR spectroscopy in addition to a CHN elemental anal. techniques. Both the differential scanning calorimetry and the polarizing optical microscopy measurements were applied for the evaluation of liquid crystals properties. The outcome confirms the existence of a smectic A liquid crystalline phase. A D. Functional Theory computations were performed to obtain the shape of the mol. structure that corresponds to the ground-state energy.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

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.Jin, Xin; Fu, Hong-Chen; Wang, Mei-Yan; Huang, Shouying; Wang, Yue; He, Liang-Nian; Ma, Xinbin researched the compound: 4-Chloro-4′-ethynyl-1,1′-biphenyl( cas:57399-11-8 ).HPLC of Formula: 57399-11-8.They published the article 《Chemodivergent Synthesis of One-Carbon-Extended Alcohols via Copper-Catalyzed Hydroxymethylation of Alkynes with Formic Acid》 about this compound( cas:57399-11-8 ) in Organic Letters. Keywords: alc preparation regioselective diastereoselective enantioselective chemoslective green chem; alkyne formic acid hydroxymethylation copper catalyst. We’ll tell you more about this compound (cas:57399-11-8).

Here an intriguing strategy for the chemodivergent copper-catalyzed hydroxymethylation of alkynes RCCR1 (R = Ph, cyclopropyl, thiophen-2-yl, etc.; R1 = Ph, H, 3-fluorophenyl, 2-fluorophenyl, etc.) and R2CCH [R2 = 4-(4-methylphenyl)phenyl, 4-(4-fluorophenyl)phenyl, 4-(thiophen-2-yl)phenyl, etc.] and 9-ethynylphenanthrene with formic acid and hydrosilane has been developed. By simply tuning the amount of formic acid and reaction temperature, distinct one-carbon-extended primary alcs., i.e., allylic alcs. (E)/(Z)-RCH=C(R1)CH2OH and β-branched alkyl alcs., (S)-R2CH(CH3)CH2OH and (S)-2-(phenanthren-9-yl)propan-1-ol were produced with high levels of Z/E-, regio-, and enantioselectivity.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Rearrangement of a platinum(II) complex in DNA from intercalation outer-sphere position to non-intercalation coordination, the main research direction is DNA interaction platinum dipyridine complex.Recommanded Product: cis-Dichlorobis(pyridine)platinum(II).

The interaction of I with DNA was studied using linear dichroism and absorption spectra of DNA solutions containing different concentrations of I. The initial complex had a stability constant of 3 × 105M-1 and the orientation of the I plane was angular, indicating that binding was by intercalation. This intercalated complex slowly transformed into a more stable complex with the orientation of the I plane parallel to the helix axis. In this complex there was coordination of I to N atoms of DNA bases. This complex involved the inner sphere of DNA. When II interacted with DNA, a complex was formed in which inner sphere coordination was present; II did not intercalate with DNA.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

Kong, Pi-Chang; Rochon, F. D. published the article 《Reactions of potassium tetrachloroplatinate(II) with pyridine derivatives in dimethylformamide and synthesis of potassium trichloro(pyridine)platinum(II)》. Keywords: platinum pyridine derivative complex; picoline platinum complex; lutidine platinum complex.They researched the compound: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6 ).Name: cis-Dichlorobis(pyridine)platinum(II). 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:15227-42-6) here.

The reactions of K2PtCl4 with pyridine derivatives L (L = py = pyridine, pic = picoline, and lut = lutidine) were studied in DMF. K[PtLCl3] (I) were isolated and the yield decreased with the order, 2,4-lut = 2-pic > 2,6-lut > 4-pic = py, which can be correlated to the steric hindrance of the ortho Me groups. Cis-[PtL2Cl2] (II) is the final product of the reactions. Trans-[PtL2Cl2] (III) can also be obtained from a DMF solution of [Pt(L)4]Cl2 (L = py) at room temperature A comparison of the above reactions in H2O and in DMF was also made.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

Computed Properties of C6H6N2O. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Picolinamide, is researched, Molecular C6H6N2O, CAS is 1452-77-3, about Cocrystals of hydrochlorothiazide with picolinamide, tetramethylpyrazine and piperazine: quantum mechanical studies, docking and modelling of the photovoltaic efficiency for DSSC. Author is Al-Otaibi, Jamelah S.; Almuqrin, Aljawhara H.; Mary, Y. Sheena; Mary, Y. Shyma; Thomas, Renjith.

Abstract: Cocrystals are of immense applications in crystal engineering and pharmaceutical chem. Hydrochlorothiazide is found to form cocrystals with picolinamide (H1), tetramethylpyrazine (H2) and piperazine (H3). It was characterized using IR spectra, and quantum mech. calculations for geometry and other properties. Frontier orbital energies are used to predict the energy properties and model the possible charge transfer between the constituents of the cocrystal. The frontier MO anal. indicates chem. reactivity and bioactivity of the cocrystals. The MEP surface reveals the various reactive surfaces in the cocrystal system, which is very important in deciding various biol. activities. The UV-Vis spectra show the possible electronic transitions of the mols. Simulated electronic spectra using TDDFT method with CAM-B3LYP functional were used to investigate the suitability of the cocrystals to be used in DSSC. Moreover, the mol. docking anal. proves that the cocrystals can act as potential inhibitors and paves the way for developing effective drugs.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

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, Iyo Masu Kenkyukai Koenshu called Mass spectrometry of cis-platin in urine, Author is Sumino, Kimiaki; Mio, Takaya; Yamamoto, Ryoji; Ishigami, Joji; Kamidono, Sadao; Hamami, Gaku, which mentions a compound: 15227-42-6, SMILESS is [Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2, Molecular C10H10Cl2N2Pt, Electric Literature of C10H10Cl2N2Pt.

The mass spectra of cisplatin  [15663-27-1] and its analogs are presented. A urine sample of a cancer patient treated with cisplatin was extracted with 0.1N-HCl and then washed with COMe2/CHCl3. The component containing Pt was eluted with 2N-HBr using an ion exchange chromatog. technique. The mass spectrum of the component showed the change from Cl-type to Br-type as the unchanged type of carrier ligand. Thus, mass spectrometry may be a useful method to elucidate the action mechanism of cisplatin.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

Colangelo, Donato; Ghiglia, AnnaLisa; Viano, Ilario; Mahboobi, Homa; Ghezzi, AnnaRita; Cassino, Claudio; Osella, Domenico published an article about the compound: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6,SMILESS:[Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2 ).Category: tetrahydroisoquinoline. 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:15227-42-6) through the article.

Telomerase is a ribonucleoprotein polymerase that synthesizes telomeric DNA (TTAGGG) repeats. Previously, we have studied the effect on telomerase enzyme of several cis-platinum(II) complexes bearing aromatic amines as bulky carrier groups. All these complexes possess cis-geometry, according to the Cleare and Hoschele’s rule. Since recent reports have dealt with the anti-cancer activity of trans-platinum compounds, in this study we have investigated the Farrell’s prototypical trans-[Pt(Cl)2(pyridine)2], hereafter called trans-PtPy, to understand whether it may possess any anti-telomerase activity. The trans-PtPy has low water solubility and requires DMSO as co-solvent, thus making the biol. tests problematic. The effect of trans-PtPy on MCF-7 cell line concerning log-term telomerase inhibition, telomerase-related gene expression, viability, and apoptosis was evaluated. In a cell-free biochem. assay, trans-PtPy showed significant and dose-dependent inhibition of semi-purified telomerase. The bulk of data indicate that trans-PtPy acts as a non-properly selective anti-proliferative agent, although it shows an initial telomerase inhibitory effect. Telomere length reduction seems not to be the main mechanism causing the observed cell apoptosis. For comparison purpose, results on cis-[Pt(Cl)2(pyridine)2] are reported.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem