Day: October 15, 2021

Category: benzodioxans. I found the field of Chemistry very interesting. Saw the article Highly Regioselective Synthesis of Multisubstituted Pyrroles via Ag-Catalyzed [4+1C](insert) Cascade published in 2020.0, Reprint Addresses Lin, J; Shao, ZH; Jin, Y (corresponding author), Yunnan Univ, Key Lab Med Nat Resource, State Key Lab Conservat & Utilizat Bioresources Y, Sch Chem Sci & Technol,Minist Educ & Yunnan Prov, Kunming 650091, Yunnan, Peoples R China.. The CAS is 100-19-6. Through research, I have a further understanding and discovery of 1-(4-Nitrophenyl)ethanone.

An efficient [4+1C](insert) approach to the coupling of enaminones with donor/acceptor or donor/donor carbenes by the AgOTf-catalyzed C-C bond carbenoid formal insertion/cyclization/[1,5]-shift cascade reaction was successfully developed, providing distinct chemo- and regioselective multisubstituted pyrroles. The plausible reaction mechanism involves two catalytic cycles: in the first one, silver ions regioselectively catalyze the C-C bond formal insertion reaction; in the second one, silver ions chemo- and regioselectively control the cyclization and [1,5]-shift reactions. This method not only provides convenience and applies atom economy in the synthesis of multisubstituted pyrroles but also presents an entry point for further pyrrole diversification via facile modification of resulting 4H-pyrrole products, as displayed by a short formal synthesis of the natural product lamellarin L.

About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Luo, KX; Mao, S; He, K; Yu, XL; Pan, JH; Lin, J; Shao, ZH; Jin, Y or concate me.. Category: benzodioxans

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

Category: benzodioxans. Authors Xu, DP; Xiong, ML; Kazemnejadi, M in ROYAL SOC CHEMISTRY published article about in [Xu, DaPeng] Gansu Ind Polytech Coll, Inst Chem Technol, TianShui 741000, Peoples R China; [Xiong, Meilu] Gansu Hlth Vocat Coll, Publ Fdn Coll, Lanzhou 730207, Peoples R China; [Kazemnejadi, Milad] Univ Birjand, Fac Sci, Dept Chem, Birjand, Iran in 2021.0, Cited 55.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6

A new, versatile, and green methodology has been developed for the efficient NaBH4-reduction of nitroarenes as well as the domino/reduction MCR preparation of 1-substituted-1H-1,2,3,4-tetrazoles using Pd(ii)-polysalophen coated magnetite NPs as an efficient heterogeneous magnetically recyclable nanocatalyst. Polysalophen was firstly prepared based on a triazine framework with a high degree of polymerization, then coordinated to Pd ions and, finally, the resulting hybrid was immobilized on magnetite NPs. The catalyst was characterized by various instrumental and analytical methods, including GPC, DLS, N-2 adsorption-desorption, TGA, VSM, TEM, HRTEM, EDX, XPS, XRD, and ICP analyses. The catalyst possesses dual-functionality including the reduction of nitroarenes and the construction of tetrazole rings all in one step via a domino protocol. High to excellent yields were obtained for both nitro reduction and the direct preparation of 1-substituted-1H-1,2,3,4-tetrazoles from nitro compounds. Insight into the mechanism was conducted by XPS in situ as well as DLS in situ along with several control experiments. Recyclability of the catalyst was studied for 6 consecutive runs along with metal leaching measurements in each cycle.

Category: benzodioxans. About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Xu, DP; Xiong, ML; Kazemnejadi, M or concate me.

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

Authors Haldys, K; Goldeman, W; Anger-Gora, N; Rossowska, J; Latajka, R in MDPI published article about in [Haldys, Katarzyna; Latajka, Rafal] Wroclaw Univ Sci & Technol, Dept Bioorgan Chem, PL-50370 Wroclaw, Poland; [Goldeman, Waldemar] Wroclaw Univ Sci & Technol, Dept Organ & Med Chem, PL-50370 Wroclaw, Poland; [Anger-Gora, Natalia; Rossowska, Joanna] Polish Acad Sci, Ludwik Hirszfeld Inst Immunol & Expt Therapy, PL-53114 Wroclaw, Poland in 2021.0, Cited 58.0. Safety of 1-(4-Nitrophenyl)ethanone. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6

A set of 12 monosubstituted acetophenone thiosemicarbazone derivatives (TSCs) were synthesized and their inhibitory properties toward tyrosinase activity were tested. Moreover, their ability to inhibit melanogenesis in the B16F10 murine melanoma cell line was studied. In order to investigate the nature of interactions between the enzyme and the inhibitors, molecular docking to the active site was performed. TSCs 5, 6, 8, and 9 revealed a half maximal inhibitory concentration (IC50) below 1 mu M. Compound 6 turned out to be the most potent tyrosinase inhibitor. All investigated compounds showed reversible inhibition of competitive or mixed type. The para-substituted TSCs had higher affinity for the enzyme as compared to their ortho- and meta-analogues. All investigated compounds inhibited melanin production in B16F10 cells at the micromolar level. Molecular docking showed that the sulfur atom of the thiourea moiety penetrates the active site and interacts with copper ions. The above outcomes might be helpful in the design of new tyrosinase inhibitors in the food and cosmetic industries.

About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Haldys, K; Goldeman, W; Anger-Gora, N; Rossowska, J; Latajka, R or concate me.. Safety of 1-(4-Nitrophenyl)ethanone

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

Formula: C8H7NO3. In 2019.0 APPL ORGANOMET CHEM published article about SELECTIVE HYDROGENATION; PALLADIUM NANOPARTICLES; HETEROGENEOUS CATALYST; HIGHLY EFFICIENT; CORE-SHELL; REDUCTION; NANOSHEETS; GRAPHENE; SPHERES; LIGNIN in [Sadjadi, Samahe] Iran Polymer & Petrochem Inst, Fac Petrochem, Gas Convers Dept, 15Km Tehran Karaj Highway, Tehran 14975112, Iran; [Heravi, Majid M.] Alzahra Univ, Sch Sci, Dept Chem, POB 1993891176, Tehran, Iran in 2019.0, Cited 48.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6.

Hollow magnetic nanoparticles (MNPs) with tetrahedral morphology were synthesized and then covered by a shell prepared by coating with melamine-formaldehyde followed by the introduction of glucose-derived carbon. Subsequently, Pd nanoparticles were immobilized and the core-shell nanocomposite was carbonized. The obtained magnetic catalyst was successfully applied for the hydrogenation of nitroarenes in aqueous media. To investigate the effects of the morphology of MNPs, the nature of carbon shell, and the order of incorporation of Pd nanoparticles, several control catalysts, including the MNPs with different morphologies (disc-like and cylinder); MNPs coated with different shells (sole glucose-derived carbon or melamine-formaldehyde carbon shell); and a nanocomposite, in which Pd was immobilized after carbonization, were prepared and examined as catalyst for the model reaction. To justify the observed different catalytic activities of the catalysts, their Pd loadings, leaching, and specific surface areas were compared. The results confirmed that tetrahedral MNPs coated with porous N-rich carbon shell exhibited the best catalytic activity. The high catalytic activity of this catalyst was attributed to its high surface area and the interaction of N-rich shell with Pd nanoparticles that led to the higher Pd loading and suppressed Pd leaching.

Formula: C8H7NO3. About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Sadjadi, S; Heravi, MM or concate me.

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

Name: 1-(4-Nitrophenyl)ethanone. In 2021.0 ORG LETT published article about TRANSITION-METAL-FREE; STEVENS REARRANGEMENT; CARBON-CARBON; BENZYNE; GENERATION; MULTIFUNCTIONALIZATION; CONSTRUCTION; METHODOLOGY; STRATEGIES; REACTIVITY in [Gaykar, Rahul N.; George, Malini; Guin, Avishek; Bhattacharjee, Subrata; Biju, Akkattu T.] Indian Inst Sci, Dept Organ Chem, Bangalore 560012, Karnataka, India in 2021.0, Cited 79.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6.

An oxa-[2,3] sigmatropic rearrangement involving arynes is reported featuring the umpolung of ketones, where the C = O bond polarity is reversed. The in situ-generated sulfur ylides from beta-keto thioethers and arynes undergo efficient rearrangement allowing the facile and robust synthesis of functionalized enol ethers in high yields and excellent functional group compatibility. Preliminary mechanistic studies rule out the possibility of Pummerer-type rearrangement operating in this case.

About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Gaykar, RN; George, M; Guin, A; Bhattacharjee, S; Biju, AT or concate me.. Name: 1-(4-Nitrophenyl)ethanone

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

An article Rh(III)-Catalyzed Direct Amination of Aromatic Ketoximes Enabled by Potassium Acetate WOS:000505254600011 published article about C-H BONDS; INTERMOLECULAR AMIDATION; REGIOSPECIFIC SYNTHESIS; OXIME ETHER; NITROARENES; CYCLIZATION; ARENES; 1H-INDAZOLES; AZOBENZENES; ACTIVATION in [Liu, Lingling; Wang, Ning; Dai, Chenyang; Han, Yi; Yang, Shan; Huang, Zhibin; Zhao, Yingsheng] Soochow Univ, Coll Chem & Chem Engn, Key Lab Organ Synth Jiangsu Prov, 199 Renai St, Suzhou 215123, Jiangsu, Peoples R China in 2019.0, Cited 54.0. Safety of 1-(4-Nitrophenyl)ethanone. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6

A method to achieve rhodium(III)-catalyzed, potassium acetate enabled intermolecular C-H amination of ketoximes using various benzenesulfonamide, especially 4-nitrobenzenesulfonamide is reported. Various aryl ketoximes substituted with electron-withdrawing functional groups were all well tolerated and produced the corresponding products in moderate to good yields. A preliminary mechanistic study revealed that potassium acetate is essential to realizing intermolecular amination.

About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Liu, LL; Wang, N; Dai, CY; Han, Y; Yang, S; Huang, ZB; Zhao, YS or concate me.. Safety of 1-(4-Nitrophenyl)ethanone

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

Safety of 1-(4-Nitrophenyl)ethanone. In 2019.0 CHEMISTRYSELECT published article about ONE-POT SYNTHESIS; MULTICOMPONENT STRATEGY; EFFICIENT SYNTHESIS; 1,2,4-TRIAZOLE; DERIVATIVES; WATER; INHIBITION; FACILE; DESIGN; ACID in [Patil, Pradeep J.; Salunke, Govind D.; Deshmukh, Madhukar B.; Hangirgekar, Shankar P.; Sankpal, Sandeep A.] Shivaji Univ, Dept Chem, Kolhapur 416004, Maharashtra, India; [Salunke, Govind D.] Raje Ramrao Mahavidyalaya, Dept Chem, Jath 416404, India; [Chandam, Dattatray R.] Bhogawati Mahavidyalaya, Dept Chem, Kolhapur 416001, Maharashtra, India in 2019.0, Cited 53.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6.

In the present work, the catalytic potential of natural organo-catalyst thiamine hydrochloride is explored for the synthesis of 1,2,4-triazolidine-3-thiones in aqueous medium. The reaction of thiosemicarbazides with various substrates viz aryl/ heteroaryl aldehydes, isatins, cyclic and aromatic ketones to obtain corresponding 1,2,4-triazolidine-3-thiones have been successfully demonstrated for the first time. The method proposed in this work addresses the green chemistry principles such as biodegradable catalyst, ambient reaction condition, shorter reaction time, high yield of the products, recyclability of catalyst and high atom economy.

About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Patil, PJ; Salunke, GD; Deshmukh, MB; Hangirgekar, SP; Chandam, DR; Sankpal, SA or concate me.. Safety of 1-(4-Nitrophenyl)ethanone

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

In 2019.0 SYNTHESIS-STUTTGART published article about HIGHLY SUBSTITUTED PYRROLES; OXIDATIVE ANNULATION; REGIOSELECTIVE SULFENYLATION; POLYSUBSTITUTED PYRROLES; ONE-POT; ATORVASTATIN; DERIVATIVES; INHIBITORS; FUNCTIONALIZATION; CONSTRUCTION in [Rajeshkumar, Venkatachalam; Neelamegam, Chinnaraj; Anandan, Sambandam] Natl Inst Technol Tiruchirappalli, Dept Chem, Tiruchirappalli 620015, Tamil Nadu, India in 2019.0, Cited 75.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6. HPLC of Formula: C8H7NO3

A three-component strategy for the synthesis of 4-thioarylpyrroles from 1,4-enediones, thiols, and ammonium formate in one-pot has been developed. The reaction proceeds through the sequential thiol-Michael/Paal-Knorr reaction of 1,4-enediones with the formation of one new C-S and two C-N bonds. The operationally simple protocol provides direct access to the highly functionalized 4-thioarylpyrroles with free-NH in good to excellent yields. The synthetic application of resulting 4-thioarylpyrroles was demonstrated by oxidation of the sulfur atom to the corresponding sulfoxide and sulfone.

HPLC of Formula: C8H7NO3. About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Rajeshkumar, V; Neelamegam, C; Anandan, S or concate me.

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

Recommanded Product: 1-(4-Nitrophenyl)ethanone. In 2020.0 J ORG CHEM published article about CHLORIDE; ENAMINES; CHEMISTRY; ACID; DERIVATIVES; REACTIVITY; PYRIDINES; NITRILES; ACCESS in [de Souza, Juliana M.; Abdiaj, Irini; McQuade, D. Tyler] Virginia Commonwealth Univ, Dept Chem & Life Sci Engn, Richmond, VA 23284 USA; [de Souza, Juliana M.; de Oliveira, Kleber T.] Univ Fed Sao Carlos, Dept Quim, BR-13565905 Sao Carlos, SP, Brazil; [Chen, Jiaqi; Hanson, Kenneth] Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA in 2020.0, Cited 36.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6.

Recently, we demonstrated that ylidenemalononitriles (YMs) react with amines to form cyclic amidines and that the starting linear YMs are nonemissive in solution and the cyclic amidines are fluorescent. These turn-on systems were of interest to us because of their potential as biosensors and synthons for accessing functionalized pyridines. While our original method was promising, several limitations persisted, including access to more functionalized and polar-solvent-soluble structures as well as increased control over the rate of cyclization. Herein, we report a new approach that allows the electrophilic substitution of YMs. These substituted YMs exhibit faster turn-on rates, color tunability, access to polar-solvent-soluble species, and increased control over cyclization rate. This allowed us to significantly expand the fluorophore’s chemical space.

About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact de Souza, JM; Abdiaj, I; Chen, JQ; Hanson, K; de Oliveira, KT; McQuade, DT or concate me.. Recommanded Product: 1-(4-Nitrophenyl)ethanone

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

In 2019.0 APPL ORGANOMET CHEM published article about SELECTIVE HYDROGENATION; PALLADIUM NANOPARTICLES; HETEROGENEOUS CATALYST; HIGHLY EFFICIENT; CORE-SHELL; REDUCTION; NANOSHEETS; GRAPHENE; SPHERES; LIGNIN in [Sadjadi, Samahe] Iran Polymer & Petrochem Inst, Fac Petrochem, Gas Convers Dept, 15Km Tehran Karaj Highway, Tehran 14975112, Iran; [Heravi, Majid M.] Alzahra Univ, Sch Sci, Dept Chem, POB 1993891176, Tehran, Iran in 2019.0, Cited 48.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6. HPLC of Formula: C8H7NO3

Hollow magnetic nanoparticles (MNPs) with tetrahedral morphology were synthesized and then covered by a shell prepared by coating with melamine-formaldehyde followed by the introduction of glucose-derived carbon. Subsequently, Pd nanoparticles were immobilized and the core-shell nanocomposite was carbonized. The obtained magnetic catalyst was successfully applied for the hydrogenation of nitroarenes in aqueous media. To investigate the effects of the morphology of MNPs, the nature of carbon shell, and the order of incorporation of Pd nanoparticles, several control catalysts, including the MNPs with different morphologies (disc-like and cylinder); MNPs coated with different shells (sole glucose-derived carbon or melamine-formaldehyde carbon shell); and a nanocomposite, in which Pd was immobilized after carbonization, were prepared and examined as catalyst for the model reaction. To justify the observed different catalytic activities of the catalysts, their Pd loadings, leaching, and specific surface areas were compared. The results confirmed that tetrahedral MNPs coated with porous N-rich carbon shell exhibited the best catalytic activity. The high catalytic activity of this catalyst was attributed to its high surface area and the interaction of N-rich shell with Pd nanoparticles that led to the higher Pd loading and suppressed Pd leaching.

HPLC of Formula: C8H7NO3. About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Sadjadi, S; Heravi, MM or concate me.

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