Heterocyclic Building Blocks-benzodioxan

Tsai, CC; Sandford, C; Wu, T; Chen, BY; Sigman, MS; Toste, FD in [Tsai, Cheng-Che; Wu, Tao; Chen, Buyun; Toste, F. Dean] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA; [Sandford, Christopher; Sigman, Matthew S.] Univ Utah, Dept Chem, 315 South 1400 East, Salt Lake City, UT 84112 USA; [Tsai, Cheng-Che] Tunghai Univ, Dept Chem, Taichung 40704, Taiwan published Enantioselective Intramolecular Allylic Substitution via Synergistic Palladium/Chiral Phosphoric Acid Catalysis: Insight into Stereoinduction through Statistical Modeling in 2020, Cited 82. Product Details of 86-29-3. The Name is 2,2-Diphenylacetonitrile. Through research, I have a further understanding and discovery of 86-29-3.

The mode of asymmetric induction in an enantioselective intramolecular allylic substitution reaction catalyzed by a combination of palladium and a chiral phosphoric acid was investigated by a combined experimental and statistical modeling approach. Experiments to probe nonlinear effects, the reactivity of deuterium-labeled substrates, and control experiments revealed that nucleophilic attack to the pi-allylpalladium intermediate is the enantio-determining step, in which the chiral phosphate anion is involved in stereoinduction. Using multivariable linear regression analysis, we determined that multiple noncovalent interactions with the chiral environment of the phosphate anion are integral to enantiocontrol in the transition state. The synthetic protocol to form chiral pyrrolidines was further applied to the asymmetric construction of C-O bonds at fully substituted carbon centers in the synthesis of chiral 2,2-disubstituted benzomorpholines.

Product Details of 86-29-3. Welcome to talk about 86-29-3, If you have any questions, you can contact Tsai, CC; Sandford, C; Wu, T; Chen, BY; Sigman, MS; Toste, FD or send Email.

Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem

Name: 1-(4-Nitrophenyl)ethanone. Authors Ayyash, AN in MAIK NAUKA/INTERPERIODICA/SPRINGER published article about in [Ayyash, A. N.] Univ Fallujah, Dept Appl Chem, Coll Appl Sci, Anbar 00964, Iraq in 2020, Cited 24. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6

The title compounds, 3,3′,3.,3”’-[methylenebis(oxybenzene-5,1,3-triyl)]tetrakis(6,8-diaryl[1,2,4]triazolo[3,4-b][1,3,4]thiadiazepines), were synthesized starting from dimethyl 4-hydroxyisophthalate which was reacted with dibromomethane to obtain tetramethyl 5,5′-[methylenebis(oxy)]di(benzene-1,3-dicarboxylate). The latter was treated with excess hydrazine hydrate, and the resulting tetrahydrazide was converted to tetrakis1,2,4-triazolyl derivative via cyclization with ethanolic potassium hydroxide, carbon disulfide, and hydrazine hydrate. In the final stage, cyclocondensation with substituted chalcones afforded the target products. The structure of the newly synthesized compounds was confirmed by elemental analyses and FT-IR and NMR spectra, and their antimicrobial activities against some bacterial and fungal strains were estimated by the disc diffusion method.

Welcome to talk about 100-19-6, If you have any questions, you can contact Ayyash, AN or send Email.. Name: 1-(4-Nitrophenyl)ethanone

Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem

Ang, HT; Rygus, JPG; Hall, DG in [Ang, Hwee Ting; Rygus, Jason P. G.; Hall, Dennis G.] Univ Alberta, Dept Chem, Centennial Ctr Interdisciplinary Sci, Edmonton, AB T6G 2G2, Canada published Two-component boronic acid catalysis for increased reactivity in challenging Friedel-Crafts alkylations with deactivated benzylic alcohols in 2019.0, Cited 47.0. Computed Properties of C8H7NO3. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6.

A general and efficient boronic acid catalyzed Friedel-Crafts alkylation of arenes with benzylic alcohols was previously developed for the construction of unsymmetrical diarylmethane products (X. Mo, J. Yakiwchuk, J. Dansereau, J. A. McCubbin and D. G. Hall, J. Am. Chem. Soc., 2015, 137, 9694). Highly electron-deficient benzylic alcohols, however, were ineffective coupling partners due to the increased difficulty of C-O bond ionization. Herein, we report the use of perfluoropinacol as an effective co-catalyst to improve the reactivity of a boronic acid catalyst in the Friedel-Crafts benzylations of electronically deactivated primary and secondary benzylic alcohols. According to spectroscopic studies, it is believed that perfluoropinacol condenses with the arylboronic acid catalyst to form a highly electrophilic and Lewis acidic boronic ester. This in situ formed species enables a more facile ionization of the benzylic alcohols likely through a mode of activation promoted by a Lewis acid assisted hydronium Bronsted acid generated from the interactions of the transient boronic ester with hexafluoroisopropanol solvent and water.

Computed Properties of C8H7NO3. Welcome to talk about 100-19-6, If you have any questions, you can contact Ang, HT; Rygus, JPG; Hall, DG or send Email.

Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem

Recently I am researching about ASYMMETRIC REDUCTION; EFFICIENT CATALYST; KETONES; ALDEHYDES; HYDROSILYLATION; COMPLEXES; HYDRIDE; RUTHENIUM; POLY(SILYLETHER)S; HYDROGENATION, Saw an article supported by the National Science FoundationNational Science Foundation (NSF); NSF EPSCoR Award [IIA-1355466]. Published in AMER CHEMICAL SOC in WASHINGTON ,Authors: Vijjamarri, S; O’Denius, TM; Yao, B; Kubatov, A; Du, GD. The CAS is 100-19-6. Through research, I have a further understanding and discovery of 1-(4-Nitrophenyl)ethanone. Formula: C8H7NO3

Hydroboration of carbonyl compounds is an important transformation in organic chemistry, and a growing interest in catalysis has focused on abundant and nontoxic base metals. Herein we describe an efficient salen manganese catalyst for the hydroboration of a broad range of carbonyl compounds with pinacolborane. The catalytic reactions proceeded rapidly (>99% conversion in <5 min) at room temperature with very low catalyst loadings. High turnover frequency (up to 5700 h(-1)) was observed under these conditions. Several synthetically important functional groups were tolerated, and chemoselective hydroboration of aldehydes over ketones was achieved. The H/D kinetic isotopic effect of borane was determined to be 2.3. The Hammett correlation plot of a series of para-substituted acetophenone substrates, p-X-C6H6COCH3 (X = H, Me, OMe, NO2, Cl, Br, and CF3) yielded a positive slope of rho = +0.99. The crossover products were detected in the competition reaction of catecholborane and deuterated pinacolborane with acetophenone. The findings indicated a potential borane-mediated pathway that could account for the observation of the crossover products. Formula: C8H7NO3. Bye, fridends, I hope you can learn more about C8H7NO3, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem

Computed Properties of C8H7NO3. Mekky, AEM; Sanad, SMH in [Mekky, Ahmed E. M.; Sanad, Sherif M. H.] Cairo Univ, Fac Sci, Chem Dept, Giza 12613, Egypt published Synthesis and in vitro study of new coumarin derivatives linked to nicotinonitrile moieties as potential acetylcholinesterase inhibitors in 2020.0, Cited 56.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6.

The appropriate pyridine-2(1H)-thiones were reacted with an equivalent amount of 5-(chloromethyl)-2-hydroxybenzaldehyde in ethanol in the presence of potassium hydroxide to give the corresponding 2-hydroxybenzaldehyde derivatives in excellent yields. The latter derivatives were taken as key synthons for the preparation of the target hybrids. Therefore, 2-hydroxybenzaldehydes were reacted with benzoylglycine in acetic anhydride in the presence of fused sodium acetate at 100 degrees C for 6 hours to afford a new series of nicotinonitrile-coumarin hybrids. The in vitro acetylcholinesterase inhibitory activities were estimated for the new coumarins. The results were expressed as the inhibition percentage of the tested hybrids at concentration of 25 nM, compared to donepezil as a reference (inhibition percentage of 70.5). Coumarin hybrids linked to 6-(4-nitrophenyl) or 6-(4-chlorophenyl)-4-phenylnicotinonitrile exhibited more effective inhibitory activities than donepezil with inhibition percentages of 94.1 and 72.3, respectively. The new coumarins were tested for their free radical-scavenging capabilities against DPPH. Furthermore, some new coumarins were tested for in vitro cytotoxic activity against each MCF-10A, MCF-7, Caco2, and HEPG2. The new hybrids showed cytotoxicity in micromolar range (IC(50)of 3.5-13.9 mu M) against all tested cell lines. These results clearly demonstrated that the hybrids being tested are not cytotoxic at the concentration required to inhibit acetylcholinesterase effectively.

Computed Properties of C8H7NO3. About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Mekky, AEM; Sanad, SMH or concate me.

Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem

Recommanded Product: 100-19-6. I found the field of Chemistry very interesting. Saw the article Non-Heme-Type Ruthenium Catalyzed Chemo- and Site-Selective C-H Oxidation published in 2020.0, Reprint Addresses Uchida, T (corresponding author), Kyushu Univ, Fac Arts & Sci, Nishi Ku, 744 Motooka, Fukuoka 8190395, Japan.; Uchida, T (corresponding author), Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI 12CNER, Nishi Ku, 744 Motooka, Fukuoka 8190395, Japan.. The CAS is 100-19-6. Through research, I have a further understanding and discovery of 1-(4-Nitrophenyl)ethanone.

Herein, we developed a Ru(II)(BPGA) complex that could be used to catalyze chemo- and site-selective C-H oxidation. The described ruthenium complex was designed by replacing one pyridyl group on tris(2-pyridylmethyl)amine with an electron-donating amide ligand that was critical for promoting this type of reaction. More importantly, higher reactivities and better chemo-, and site-selectivities were observed for reactions using the cis-ruthenium complex rather than the trans-one. This reaction could be used to convert sterically less hindered methyne and/or methylene C-H bonds of a various organic substrates, including natural products, into valuable alcohol or ketone products.

Recommanded Product: 100-19-6. Welcome to talk about 100-19-6, If you have any questions, you can contact Doiuchi, D; Nakamura, T; Hayashi, H; Uchida, T or send Email.

Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem

In 2019.0 CHEMCATCHEM published article about POROUS CARBON SHELL; DOPED CARBON; HYDROGENATION; EFFICIENT; NANOTUBES; NANOPARTICLES; PERFORMANCE; ULTRAFINE; AU; NANOSTRUCTURES in [Yuan, Man; Yang, Chen; Wang, Fanhao; Dong, Zhengping] Lanzhou Univ, Lab Special Funct Mat & Struct Design, Gansu Prov Engn Lab Chem Catalysis, Minist Educ,Coll Chem & Chem Engn, Lanzhou 730000, Gansu, Peoples R China; [Zhang, Hongbo] Lanzhou Univ, Sch Phys Sci & Technol, Inst Nanosci & Nanotechnol, Lanzhou 730000, Gansu, Peoples R China in 2019.0, Cited 67.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6. Quality Control of 1-(4-Nitrophenyl)ethanone

Porous nanoreactors demonstrate immense potential for applications in heterogeneous catalysis due to their excellent mass-transfer performance and stability. The design of a simple, universal strategy for fabricating nanoreactor catalysts is of significance for organic transformation. In this study, a nanoreactor with a hierarchical mesoporous yolk-shell structure was successfully prepared by the high-temperature carbonization of a ZIF-67@polymer composite. The core of the resultant Co@ZDC@mC material comprised Co NPs anchored in the ZIF-67-derived carbon framework, while the shell comprised resin-polymer-derived mesoporous carbon. The as-obtained Co@ZDC@mC-700 catalyst enriched reactants, efficiently catalyzed the reaction in the core, and permitted the desorption of the product from the nanoreactor. In the catalytic reduction of nitrobenzene with N2H4.H2O, Co@ZDC@mC-700 exhibited superior catalytic efficiency (TOF=1136.3 h(-1)). In addition, Co@ZDC@mC-700 exhibited excellent performance for the catalytic reduction of various functionalized nitroarenes, as well as good reusability and recyclability. Hence, a simple, useful approach for fabricating a metal-organic-framework-derived non-noble metal-based yolk-shell nanoreactor for effective catalytic transformation is proposed.

Bye, fridends, I hope you can learn more about C8H7NO3, If you have any questions, you can browse other blog as well. See you lster.. Quality Control of 1-(4-Nitrophenyl)ethanone

Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem

An article Synthesis, characterization, antimicrobial activity, 3D-QSAR, DFT, and molecular docking of some ciprofloxacin derivatives and their copper(II) complexes WOS:000576539900001 published article about METAL-COMPLEXES; QUINOLONE; ENERGIES in [Khalil, Tarek E.; El-Dissouky, Ali; El-Sayed, Doaa S.] Alexandria Univ, Fac Sci, Chem Dept, POB 426, Alexandria 21321, Egypt; [Al-Wahaib, Dhuha; Abrar, Nada M.] Kuwait Univ, Fac Sci, Chem Dept, Kuwait 13060, Kuwait in 2020.0, Cited 58.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6. Formula: C8H7NO3

Six new derivatives of ciprofloxacin compounds and their copper(II) complexes were synthesized, characterized by spectroscopic methods (ultraviolet-visible [UV-vis], Fourier transform infrared [FTIR], nuclear magnetic resonance [NMR], mass spectrometry [MS], and electron paramagnetic resonance [EPR]), and tested for antibacterial activities against gram-negative and gram-positive bacteria. The data showed that ciprofloxacin derivatives act as bidentate ligands and the metal ions coordinate through the pyridone carbonyl and the carboxylate oxygen atoms. Tetragonally distorted octahedral ligand fields were assumed for all complexes based on their spectral studies. Copper(II) complexes of the synthesized ciprofloxacin derivatives revealed higher antibacterial activities against gram-positive and gram-negative bacterial species than the parent ciprofloxacin antibiotic. Furthermore, three-dimensional quantitative structure-activity relationship (3D-QSAR) models were evaluated by studying 30 antibiotic compounds of the quinolone class. Density function theory (DFT) calculations were applied to evaluate the optimized geometrical structures using the B3LYP method and 6-311G(d,p) basis set. The 3D-QSAR study revealed that there are eight optimum parameters that give the best predictive modulation with good reliability (R-2= 0.996,F= 12.004, sigma = 0.426). In silico molecular docking was also performed on the derivatives, and the results revealed the presence of two types of interactions between theEscherichia coliand the derivatives, H-bonding and Van der Waals interactions, and an effective inhibition at the docked site.

Formula: C8H7NO3. Welcome to talk about 100-19-6, If you have any questions, you can contact Khalil, TE; El-Dissouky, A; Al-Wahaib, D; Abrar, NM; El-Sayed, DS or send Email.

Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem

Recommanded Product: 1-(4-Nitrophenyl)ethanone. Gong, HH; Lin, LN; Zhao, XG; Li, H; Li, DF; Xu, ZC; Chen, MY; Huang, R; Hou, ZS in [Gong, Honghui; Zhao, Xiuge; Li, Difan; Xu, Zichen; Chen, Manyu; Hou, Zhenshan] East China Univ Sci & Technol, Key Lab Adv Mat, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China; [Li, Huan] Shanxi Univ, Inst Crystalline Mat, Taiyuan 030006, Shanxi, Peoples R China; [Lin, Lina; Huang, Rong] East China Normal Univ, Key Lab Polar Mat & Devices, Minist Educ, Shanghai 200062, Peoples R China published Atomically precise Ag nanoclusters intercalated in zirconium pyrophosphate for efficient hydrogenation of nitroaromatics in 2019.0, Cited 45.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6.

Designing and fabricating catalysts with highly dispersed metal nanoclusters (NCs) is very crucial for achieving high activity and selectivity. In this work, all-alkynyl-protected [Ag-74(C CPh)(44)](NO3)(2) cluster (Ag duster) with a well-defined structure was firstly intercalated in alpha-zirconium phosphate (alpha-ZrP) through ion-exchange. Then the atomically precise Ag cluster can be immobilized robustly in the support by a sequential process of carbonization, calcination and reduction. The supported Ag duster showed the relatively high catalytic activity (TOP = 222.9-445.8 h(-1)) and excellent recyclability for hydrogenation of a variety of nitroaromatics, as well as the compounds with carbon-carbon double bonds even if the loading of Ag was as low as 0.72 wt.%. Zirconium pyrophosphate acts as not only a stabilizer of Ag duster through a spatial confinement, but also an adsorption site for nitroaromatics. The residual carbon arisen from thermal decomposition of all-alkynyl ligand coordinating on Ag cluster exerted an important role in protecting Ag duster from sintering. As a result, the intercalation of Ag cluster in the interlayer region is a promising strategy for extending their potential applications in catalysis.

Recommanded Product: 1-(4-Nitrophenyl)ethanone. Welcome to talk about 100-19-6, If you have any questions, you can contact Gong, HH; Lin, LN; Zhao, XG; Li, H; Li, DF; Xu, ZC; Chen, MY; Huang, R; Hou, ZS or send Email.

Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem

Pogaku, V; Gangarapu, K; Basavoju, S; Tatapudi, KK; Katragadda, SB in [Pogaku, Vinay; Basavoju, Srinivas] Natl Inst Technol, Dept Chem, Warangal 506004, Telangana, India; [Gangarapu, Kiran] Anurag Grp Inst, Sch Pharm, Dept Pharmaceut Chem, Hyderabad 500088, Telangana, India; [Tatapudi, Kiran Kumar; Katragadda, Suresh Babu] CSIR Indian Inst Chem Technol, Ctr Nat Prod & Tradit Knowledge, Hyderabad 500007, Telangana, India published Design, synthesis, molecular modelling, ADME prediction and antihyperglycemic evaluation of new pyrazole-triazolopyrimidine hybrids as potent alpha-glucosidase inhibitors in 2019.0, Cited 38.0. Recommanded Product: 100-19-6. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6.

The aim of the present study is to design and synthesis of new pyrazole-triazolopyrimidine hybrids as potent alpha-glucosidase inhibitors. The target compounds 4a-n were synthesized by one-pot multicomponent approach with good yields and were characterized by various spectroscopic techniques and finally by single crystal X-ray diffraction method (4j). All the newly-synthesized derivatives have been screened for their alpha-glucosidase enzyme inhibition activity and acarbose taken as a standard drug. Among all the tested compounds, 4h has displayed excellent alpha-glucosidase enzyme inhibition activity with IC50 value 12.45 mu M to the standard drug acarbose (IC50: 12.68 mu M). Similarly, the compounds 4f and 4l have exhibited potent activity with IC50 values 14.47 mu M and 17.27 mu M respectively. Structure-activity relationship (SAR) studies of all the title compounds were established. The mode of binding interactions between the alpha-glucosidase enzyme and the compounds were studied. The drug-likeness properties (Lipinski parameters and in silico ADME properties) have predicted for the target compounds. The alpha-glucosidase inhibition, molecular docking and drug-likeness properties of the compounds 4h, 4f and 4l were suggested that these are promising hits for anti-diabetic activity.

Recommanded Product: 100-19-6. Bye, fridends, I hope you can learn more about C8H7NO3, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem