Author: tianli

In 2022,Lin, Hui-Shan; Chen, Shu-Jun; Huang, Jing-Mei published an article in Chemical Communications (Cambridge, United Kingdom). The title of the article was 《Electrosynthesis of (hetero)aryl nitriles from α-imino-oxy acids via oxidative decarboxylation/N-O cleavage》.Related Products of 7748-36-9 The author mentioned the following in the article:

A new method for the synthesis of (hetero)aryl nitriles via iminyl radicals was developed through the electrochem. oxidative decarboxylation of α-imino-oxy acids. This protocol provides an efficient approach to nitriles with a broad range of functional-group tolerance under ambient conditions and can be applied for one-pot gram-scale synthesis. The experimental process involved the reaction of Oxetan-3-ol(cas: 7748-36-9Related Products of 7748-36-9)

Oxetan-3-ol(cas: 7748-36-9) is used as a reagent in the synthesis of 5-fluoro-4,6-dialkoxypyrimidine GPR119 agonists. It is also used as a reagent in the synthesis of cyclic sulfone hydroxyethylamines as potent and selective β-site APP-cleaving enzyme 1 (BACE1) inhibitors.Related Products of 7748-36-9

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In 2022,Li, Yu-Hang; Wang, Chong-Chen; Zeng, Xu; Sun, Xue-Zi; Zhao, Chen; Fu, Huifen; Wang, Peng published an article in Chemical Engineering Journal (Amsterdam, Netherlands). The title of the article was 《Seignette salt induced defects in Zr-MOFs for boosted Pb(II) adsorption: universal strategy and mechanism insight》.Application In Synthesis of Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate The author mentioned the following in the article:

Within this work, a green and facile approach was proposed to modulate NH2-UiO-66 for purpose of obtaining SS-NH2-UiO-66-X (“”X”” implied the dosage of used SS) using seignette salt (SS). The generation of abundant vacancies with the formation of hierarchical pores boosted their sorption performance for lead (Pb(II)), which strengthened the mass transfer of Pb(II) in SS-NH2-UiO-66-X interior. Particularly, the optimal SS-NH2-UiO-66-5 exhibited good adsorption capacity toward Pb(II) (186.14 mg g-1) and fast diffusion rate (32.1 mg g-1·min0.5) at 25°C and initial pH = 5.46, which were about 34.2 and 66.9 times higher than those of the pristine NH2-UiO-66, resp. SS-NH2-UiO-66-5 could selectively capture the Pb(II) from simulated wastewater containing different co-existing ions. The mechanism was proposed that the defect sites played a significant role in boosting the Pb(II) capture performance, which was further affirmed by X-ray absorption spectroscopy (XAS) and X-ray photoelectron spectra (XPS). The d. functional theory calculations (DFT calculations) illustrated that the hierarchical pores and rich vacancies enhanced the Pb(II) mobility toward the adsorption active sites and reduced the adsorption energy between SS-NH2-UiO-66-X and Pb(II). This defect engineering approach could be introduced to modulate other Zr-MOFs like MOF-801, UiO-66 and MOF-808, which presented a general strategy to fabricate defective Zr-MOFs for the boosted adsorption performance toward pollutants removal from wastewater. In the experimental materials used by the author, we found Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate(cas: 6381-59-5Application In Synthesis of Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate)

Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate(cas: 6381-59-5) is a ferroelectric crystal with a high piezoelectric effect and electromechanical coupling coefficient. Application In Synthesis of Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate It may be used as a constituent to prepare DNS (3,5- dinitrosalicylic acid) reagent and Fehling′s solution B, which are used in the determination of reducing sugar.

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In 2022,Li, Xipeng; Zeng, Qin; Zhang, Ruijing; Li, Jiajun; Xing, Da; Zhang, Tao published an article in Chemical Engineering Journal (Amsterdam, Netherlands). The title of the article was 《Mitochondria-specific gadolinium (III) porphyrinate as efficient ROS generator for MRI visualization and sonodynamic-immunotherapy of deep localized tumors》.Related Products of 26153-38-8 The author mentioned the following in the article:

Conventional sonodynamic therapy (SDT) is still limited in conquering localized tumors owing to its low reactive oxygen species (ROS)-based therapeutic effect and undesirably inhibiting effect of immunosuppressive tumor microenvironment (ITM). In this study, we reasonably designed a new sonosensitizer, gadolinium (III) porphyrinate (GdPorP), which could efficiently produce ROS upon ultrasound irradiation and specifically accumulate in mitochondria. The GdPorP-based mitochondria-specific sonodamage could induce high-efficiency cell apoptosis and cascade to producing large-scale immunogenic cell death. After GdPorP systematically delivered together with the indoleamine 2,3-dioxygenase (IDO) inhibitor by a pH-sensitive nanomedicine, the localized liver tumor was specifically mapped by the “”switching-on”” MRI. And the nanomedicine could not only efficiently suppress the progression of primary liver tumors but also simultaneously boost the systematic antitumor immune effect via the inhibition of ITM. The GdPorP-approved sonodynamic-immunotherapy (SDIT) has thereby been established as a new paradigm for upgrading the efficacy of cancer SDT. In the experiment, the researchers used 3,5-Dihydroxybenzaldehyde(cas: 26153-38-8Related Products of 26153-38-8)

3,5-Dihydroxybenzaldehyde(cas: 26153-38-8) is a building block. It has been used in the synthesis of 2,4-dimethylbenzoylhydrazones with antileishmanial and antioxidant activities.Related Products of 26153-38-8

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Formula: C3H7BrOIn 2020 ,《Red light-triggered photoreduction on a nucleic acid template》 appeared in Chemical Communications (Cambridge, United Kingdom). The author of the article were Dutta, Subrata; Ruehle, Jennifer; Schikora, Margot; Deussner-Helfmann, Nina; Heilemann, Mike; Zatsepin, Timofei; Duchstein, Patrick; Zahn, Dirk; Knoer, Guenther; Mokhir, Andriy. The article conveys some information:

Conjugate Sn(IV)(pyropheophorbide a)dichloride-(peptide nucleic acid) catalyzes reduction of azobenzene derivatives in the presence of complementary nucleic acid (NA) upon irridiation with red light (660 nm). This is the first red light-induced NA-templated photoreduction It is highly sensitive to single mismatches in the NA-template and can detect down to 5 nM NAs. The experimental part of the paper was very detailed, including the reaction process of 3-Bromopropan-1-ol(cas: 627-18-9Formula: C3H7BrO)

3-Bromopropan-1-ol(cas: 627-18-9) is used in the synthesis of fluorescent halide-sensitive quinolinium dyes, chiral, quaternary prolines through cyclization of quaternary amino acids and molten salt-polymers. It is utilized for the study of micellar media and in microemulsions based on cationic or a nonionic surfactant by reacting with phenols.Formula: C3H7BrO

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Recommanded Product: 156-87-6In 2021 ,《Prediction of Surface Tension of Various Aqueous Amine Solutions Using the UNIFAC Model and Artificial Neural Networks》 was published in Industrial & Engineering Chemistry Research. The article was written by Mousavi, Nayereh Sadat; Vaferi, Behzad; Romero-Martinez, Ascencion. The article contains the following contents:

In the first stage of this work, a thermodn. approach based on the equality of chem. potentials together with the original UNIFAC activity coefficient model was used to predict the surface tension of 11 different aqueous amine solutions over the entire concentration range at the temperature range of 293.15-348.15 K. The considered aqueous amine solutions include one of the following amines: monoethanolamine, diethanolamine, di-isopropanolamine, Me diethanolamine, 1-amino-2-propanol, triethanolamine, 3-dimethylamino-1-propylamine, 3-amino-1-propanol, dimethylethanolamine, 2-methylamino ethanol, and 2-ethylamino ethanol. The effect of temperature, amine concentration in the aqueous solution, and hydrophobic groups such as -CH2 and -CH3 on the surface tension of primary, secondary, and tertiary amines was investigated. In the second stage, the multilayer perceptron neural network model is designed to predict the surface tension of the aqueous solutions from two different classes of independent variables. The UNIFAC and two developed multilayer perceptron models were used to predict 650 surface tension values, which were in turn used to compare to exptl. data points with the average absolute relative deviations of 6.79, 1.17, and 1.12%, resp. In the experiment, the researchers used many compounds, for example, 3-Aminopropan-1-ol(cas: 156-87-6Recommanded Product: 156-87-6)

3-Aminopropan-1-ol(cas: 156-87-6) belongs to anime. Halogenation, in which one or more hydrogen atoms of an amine is replaced by a halogen atom, occurs with chlorine, bromine, and iodine, as well as with some other reagents, notably hypochlorous acid (HClO). With primary amines the reaction proceeds in two stages, producing N-chloro- and N,N-dichloro-amines, RNHCl and RNCl2, respectively. With tertiary amines, an alkyl group may be displaced by a halogen.Recommanded Product: 156-87-6

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Recommanded Product: 3-PyridinemethanolIn 2021 ,《Synthesis of TEMPO radical decorated hollow porous aromatic frameworks for selective oxidation of alcohols》 was published in Chemical Communications (Cambridge, United Kingdom). The article was written by Shen, Yan-Ming; Xue, Yun; Yan, Mi; Mao, Hui-Ling; Cheng, Hu; Chen, Zhuo; Sui, Zhi-Wei; Zhu, Shao-Bin; Yu, Xiu-Jun; Zhuang, Jin-Liang. The article contains the following contents:

A bottom-up approach was developed to prepare TEMPO radical decorated hollow aromatic frameworks (HPAF-TEMPO) by using TEMPO radical functionalized monomers and SiO2 nanospheres as templates. The accessible inner layer, high d. of TEMPO sites, and hybrid micro-/mesopores of the HPAF-TEMPO enable the aerobic oxidation of a broad range of alcs. with high efficiency and excellent selectivity. The experimental process involved the reaction of 3-Pyridinemethanol(cas: 100-55-0Recommanded Product: 3-Pyridinemethanol)

3-Pyridinemethanol(cas: 100-55-0) belongs to pyridine. Pyridines, quinolines, and isoquinolines have found a function in almost all aspects of organic chemistry. Pyridine has found use as a solvent, base, ligand, functional group, and molecular scaffold. As structural elements, these moieties are potent electron-deficient groups, metal-directing functionalities, fluorophores, and medicinally important pharmacophores. Recommanded Product: 3-Pyridinemethanol

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Application In Synthesis of 3-(4-Pyridyl)-2-propyn-1-olOn March 7, 2004, Kim, Nakjoon; Kim, Ki Seong; Gupta, Aruna Kumar; Oh, Chang Ho published an article in Chemical Communications (Cambridge, United Kingdom). The article was 《On the regioselectivity of Pd-catalyzed additions of organoboronic acids to unsymmetrical alkynes》. The article mentions the following:

The Pd-catalyzed addition of organoboronic acids to unsym. alkynes gave a regioisomeric mixture of trisubstituted olefins, whose ratios were controlled by the electronic as well as steric effects of the alkyne substrates. In the experimental materials used by the author, we found 3-(4-Pyridyl)-2-propyn-1-ol(cas: 93524-95-9Application In Synthesis of 3-(4-Pyridyl)-2-propyn-1-ol)

3-(4-Pyridyl)-2-propyn-1-ol(cas: 93524-95-9) belongs to pyridine. Pyridine, its benzo and pyridine-based compounds play diverse roles in organic chemistry. As ligands, solvents, and catalysts they facilitate reactions; thus descriptions of these new ligands and their applications abound each year.Application In Synthesis of 3-(4-Pyridyl)-2-propyn-1-ol

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In 2020,International Journal of Molecular Sciences included an article by Imperatore, Concetta; Valadan, Mohammadhassan; Tartaglione, Luciana; Persico, Marco; Ramunno, Anna; Menna, Marialuisa; Casertano, Marcello; Dell’Aversano, Carmela; Singh, Manjot; d’Aulisio Garigliota, Maria Luisa; Bajardi, Francesco; Morelli, Elena; Fattorusso, Caterina; Altucci, Carlo; Varra, Michela. Category: alcohols-buliding-blocks. The article was titled 《Exploring the photodynamic properties of two antiproliferative benzodiazopyrrole derivatives》. The information in the text is summarized as follows:

The identification of mols. whose biol. activity can be properly modulated by light is a promising therapeutic approach aimed to improve drug selectivity and efficacy on the mol. target and to limit the side effects compared to traditional drugs. Recently, two photo-switchable diastereomeric benzodiazopyrrole derivatives 1RR and 1RS have been reported as microtubules targeting agents (MTAs) on human colorectal carcinoma p53 null cell line (HCT 116 p53-/-). Their IC50 was enhanced upon Light Emitting Diode (LED) irradiation at 435 nm and was related to their cis form. Here we have investigated the photo-responsive behavior of the acid derivatives of 1RR and 1RS, namely, d1RR and d1RS, in phosphate buffer solutions at different pH. The comparison of the UV spectra, acquired before and after LED irradiation, indicated that the trans→cis conversion of d1RR and d1RS is affected by the degree of ionization. The apparent rate constants were calculated from the kinetic data by means of fast UV spectroscopy and the conformers of the putative ionic species present in solution (pH range: 5.7-8.0) were modelled. Taken together, our exptl. and theor. results suggest that the photo-conversions of transd1RR/d1RS into the corresponding cis forms and the thermal decay of cisd1RR/d1RS are dependent on the presence of diazonium form of d1RR/d1RS. Finally, a photo-reaction was detected only for d1RR after prolonged LED irradiation in acidic medium, and the resulting product was characterized by means of Liquid Chromatog. coupled to High resolution Mass Spectrometry (LC-HRMS) and NMR spectroscopy.(R)-Oxiran-2-ylmethanol(cas: 57044-25-4Category: alcohols-buliding-blocks) was used in this study.

(R)-Oxiran-2-ylmethanol(cas: 57044-25-4) is a chiral building block used to construct an epoxyvinyl iodide intermediate in a synthesis of a furanocembrane, a marine natural product.Category: alcohols-buliding-blocks

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The author of 《Concurrent analysis of ambroxol HCl and salbutamol sulphate from tablet formulation by RP-HPLC》 were Panchale, Wrushali A.; Badukle, Neha A.; Sabhadinde, Amar F.; Bakal, Ravindra L.; Manwar, Jagdish V.. And the article was published in GSC Biological and Pharmaceutical Sciences in 2020. Formula: C13H19Br2ClN2O The author mentioned the following in the article:

RP-HPLC method was developed for concurrent anal. of ambroxol HCl and salbutamol sulfate from tablet formulation. Analytes were separated with mobile phase consisting of mixture of methanol and water (0.1% triethylamine) in the ratio 50: 50 at a flow rate of 0.7 mL/min with Nucleosil (4.6 mm I.D x 250 mm) C18 column. The retention time of ambroxol HCl and salbutamol sulfate was found to be 3.61 and 6.20 min, resp. The detection was carried out at 224 nm. The dynamic range for ambroxol HCl and salbutamol sulfate observed was 15-75μg/mL and 1-5μg/mL, resp. The percent recovery obtained for ambroxol HCl and salbutamol sulfate were close to 100%. Obtained statistical data of results was found to satisfactorily.trans-4-((2-Amino-3,5-dibromobenzyl)amino)cyclohexanol hydrochloride(cas: 23828-92-4Formula: C13H19Br2ClN2O) was used in this study.

trans-4-((2-Amino-3,5-dibromobenzyl)amino)cyclohexanol hydrochloride(cas: 23828-92-4) is a mucolytic expectorant and a metabolite of bromhexine.Formula: C13H19Br2ClN2O It is used in the treatment of respiratory disorders characterized by viscous or excessive mucus.

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The author of 《First-order derivative spectrophotometric estimation of gemifloxacin mesylate and ambroxol HCl in tablet dosage form》 were Panchale, Wrushali A.; Bakal, Ravindra L.. And the article was published in GSC Biological and Pharmaceutical Sciences in 2021. Related Products of 23828-92-4 The author mentioned the following in the article:

Aim of present work was to develop and validate a simple, precise and accurate uv-vis spectrophotometric method for the simultaneous estimation of gemifloxacin mesylate (GEMI) and ambroxol HCl (AMB) in their combined tablet dosage form. The method is based on first-order derivative spectroscopy. For determination of sampling wavelengths, each of GEMI and AMB were scanned in the wavelength range of 200-400 nm in the spectrum mode and sampling wavelengths were selected at 360 nm (zero crossing of GEMI) where AMB showed considerable absorbance and at 221.6 nm (zero crossing of AMB) where GEMI showed considerable absorbance. The linearity was obtained in the concentration range of 32-192μg/mL for GEMI and 7.5-45μg/mL for AMB. The correlation coefficients were found to be 0.9987 and 0.9992 for GEMI and AMB, resp. The method was validated as per ICH guidelines. Mean recoveries were found satisfactory. All the data of validation study was found to be satisfactorily. The proposed method can be applied for simultaneous estimation of both the drugs. In the experiment, the researchers used many compounds, for example, trans-4-((2-Amino-3,5-dibromobenzyl)amino)cyclohexanol hydrochloride(cas: 23828-92-4Related Products of 23828-92-4)

trans-4-((2-Amino-3,5-dibromobenzyl)amino)cyclohexanol hydrochloride(cas: 23828-92-4) is a mucolytic expectorant and a metabolite of bromhexine.Related Products of 23828-92-4 It is used in the treatment of respiratory disorders characterized by viscous or excessive mucus.

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