Tag: M.W=150-200

An article Influence of the Lewis Base Ph3PO on the Reactivity of the Uranium Phosphinidene (eta(5)-C5Me5)(2)U(=P-2,4,6-(Pr3C6H2)-Pr-i)(OPPh3) WOS:000618663800011 published article about SMALL-MOLECULE ACTIVATION; H BOND ACTIVATION; TRANSITION-METAL; TERMINAL PHOSPHINIDENE; IMIDO METALLOCENE; FORMING REACTIONS; RARE-EARTH; COMPLEXES; ACTINIDE; THORIUM in [Wang, Deqiang; Hou, Guohua; Zi, Guofu] Beijing Normal Univ, Dept Chem, Beijing 100875, Peoples R China; [Walter, Marc D.] Tech Univ Carolo Wilhelmina Braunschweig, Inst Anorgan & Analyt Chem, D-38106 Braunschweig, Germany in 2021, Cited 131. Computed Properties of C14H11N. The Name is 2,2-Diphenylacetonitrile. Through research, I have a further understanding and discovery of 86-29-3

This paper describes the synthesis, structure, and reactivity of (eta(5)-C5Me5)(2)U(=-P-2,4,6-(Pr3C6H2)-Pr-i)(OPPh3) (2). Compound 2 can be accessed by a salt metathesis reaction of the uranium methyl chloride metallocene (eta(5)-C5Me5)(2)U(Cl)Me (1) with 2,4,6-(Pr3C6H2PHK)-Pr-i in toluene in the presence of Ph3PO at ambient temperature. Furthermore, it reacts as a masked synthon for the divalent uranium fragment (eta(5)-C5Me5)(2)U by elimination of the phosphinidene fragment (2,4,6-(Pr3C6H2P)-Pr-i:) on exposure to small organic molecules such as Ph2S2, Ph2Se2, bipy, ketazines, carbodiimides, diazenes, and organic azides. Nevertheless, it also forms carbodithioates, imido, diiminatos, and metallaaziridines when it is treated with isothiocyanate, nitrites, and isonitriles, respectively. In contrast, after addition of Me,SiN 3 the uranium azido species (eta(5)-C5Me5)(2)U[N(SiMe3)P(2-NHCMe2-4,6-(Pr2C6H2)-Pr-i)N(SiMe3)]-(N-3) (13) is isolated in good yield.

Computed Properties of C14H11N. About 2,2-Diphenylacetonitrile, If you have any questions, you can contact Wang, DQ; Hou, GH; Zi, GF; Walter, MD or concate me.

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

An article Iodine-Mediated Nucleophilic Direct Oxidative alpha-Acetoxylation and alpha-Alkoxylation of Ketones WOS:000498739900019 published article about ENOL ETHERS; TERMINAL ALKYNES; HIGHLY EFFICIENT; IODINATION; HYDROXYLATION in [Pogaku, Naresh; Krishna, Palakodety Radha; Prapurna, Y. Lakshmi] CSIR, Indian Inst Chem Technol, Discovery Lab, Organ Synth & Proc Chem Div, D-207, Hyderabad 500007, Andhra Pradesh, India; [Pogaku, Naresh] Acad Sci & Innovat Res AcSIR, New Delhi 110025, India in 2019.0, Cited 39.0. SDS of cas: 100-19-6. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6

A general and facile approach for the direct alpha-functionalization of ketones mediated by iodine is developed. The operational simplicity, easily available starting materials, mild reaction conditions and tolerance of wide range of functional groups are the major benefits of the reaction.

SDS of cas: 100-19-6. About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Pogaku, N; Krishna, PR; Prapurna, YL or concate me.

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

Authors Dale, HJA; Nottingham, C; Poree, C; Lloyd-Jones, GC in AMER CHEMICAL SOC published article about in [Dale, Harvey J. A.; Nottingham, Chris; Poree, Carl; Lloyd-Jones, Guy C.] Univ Edinburgh, Sch Chem, Edinburgh EH9 3FJ, Midlothian, Scotland in 2021.0, Cited 50.0. Recommanded Product: 1-(4-Nitrophenyl)ethanone. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6

Alkylidene carbenes undergo rapid inter- and intramolecular reactions and rearrangements, including 1,2-migrations of beta-substituents to generate alkynes. Their propensity for substituent migration exerts profound influence over the broader utility of allcylidene carbene intermediates, yet prior efforts to categorize 1,2-migratory aptitude in these elusive species have been hampered by disparate modes of carbene generation, ultrashort carbene lifetimes, mechanistic ambiguities, and the need to individually prepare a series of C-13-labeled precursors. Herein we report on the rearrangement of C-13-alkylidene carbenes generated in situ by the homologation of carbonyl compounds with [C-13]-Li-TMS-diazomethane, an approach that obviates the need for isotopically labeled substrates and has expedited a systematic investigation (C-13{H-1} NMR, DLPNO-CCSD(T)) of migratory aptitudes in an unprecedented range of more than 30 alkylidene carbenes. Hammett analyses of the reactions of 26 differentially substituted benzophenones reveal several counterintuitive features of 1,2-migration in alkylidene carbenes that may prove of utility in the study and synthetic application of unsaturated carbenes more generally.

Recommanded Product: 1-(4-Nitrophenyl)ethanone. About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Dale, HJA; Nottingham, C; Poree, C; Lloyd-Jones, GC or concate me.

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

Recommanded Product: 1-(4-Nitrophenyl)ethanone. I found the field of Chemistry very interesting. Saw the article Na2S-promoted reduction of azides in water: synthesis of pyrazolopyridines in one pot and evaluation of antimicrobial activity published in 2019.0, Reprint Addresses Atmakur, K (corresponding author), Indian Inst Chem Technol, CSIR, Fluoro & Agro Chem Dept, Hyderabad 500007, Telangana, India.; Atmakur, K (corresponding author), Indian Inst Chem Technol, AcSIR, Hyderabad 500007, Telangana, India.. The CAS is 100-19-6. Through research, I have a further understanding and discovery of 1-(4-Nitrophenyl)ethanone.

Reduction of various azides using Na2S has been accomplished in water, and, in situ, the resulting amines on reaction with various ketones lead to pyrazolo[3,4-b]pyridines in one pot. Thus, a number of new trifluoromethyl-substituted pyrazolo[3,4-b]pyridine compounds have been prepared and screened for antimicrobial activity against different Gram-positive and Gram-negative strains. A good number of compounds, 4a, 4b, 4d, 4f, 4i, 4k, 4l, 4m, 4r and 4s, were found to possess promising activity. Notably, Na2S on hydrolysis in water generates H2S and NaOH, which facilitate the reduction of azides followed by intramolecular cyclization leading to the title compounds. To the best of our knowledge, this is the first report of the synthesis of the title compounds in aqueous medium in a one-pot reaction.

Recommanded Product: 1-(4-Nitrophenyl)ethanone. About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Kale, A; Medishetti, N; Kanugala, S; Kumar, CG; Atmakur, K or concate me.

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

I found the field of Polymer Science very interesting. Saw the article Heteroaromatic Polyamides with Improved Thermal and Mechanical Properties published in 2020.0. Formula: C8H7NO3, Reprint Addresses Trigo-Lopez, M; Garcia, JM (corresponding author), Univ Burgos, Fac Ciencias, Dept Quim, Plaza Misael Banuelos S-N, Burgos 09001, Spain.. The CAS is 100-19-6. Through research, I have a further understanding and discovery of 1-(4-Nitrophenyl)ethanone

We prepared high-performance aromatic copolyamides, containing bithiazole and thiazolo-thiazole groups in their main chain, from aromatic diamines and isophthaloyl chloride, to further improve the prominent thermal behavior and exceptional mechanical properties of commercial aramid fibers. The introduction of these groups leads to aramids with improved strength and moduli compared to commercialmeta-oriented aromatic polyamides, together with an increase of their thermal performance. Moreover, their solubility, water uptake, and optical properties were evaluated in this work.

Formula: C8H7NO3. About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Trigo-Lopez, M; Sanjuan, AM; Mendia, A; Munoz, A; Garcia, FC; Garcia, JM or concate me.

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

Authors Chakraborty, D; Nandi, S; Mullangi, D; Haldar, S; Vinod, CP; Vaidhyanathan, R in AMER CHEMICAL SOC published article about COVALENT ORGANIC FRAMEWORKS; TERMINAL ALKYNES; POSTSYNTHETIC MODIFICATION; COPPER; EFFICIENT; 1,3-DIYNES; EVOLUTION; STABILIZATION; CONSTRUCTION; LUMINESCENT in [Chakraborty, Debanjan; Nandi, Shyamapada; Mullangi, Dinesh; Haldar, Sattwick; Vaidhyanathan, Ramanathan] Indian Inst Sci Educ & Res, Dept Chem, Pune 411008, Maharashtra, India; [Chakraborty, Debanjan; Haldar, Sattwick; Vaidhyanathan, Ramanathan] Indian Inst Sci Educ & Res, Ctr Energy Sci, Pune 411008, Maharashtra, India; [Vinod, Chathakudath P.] CSIR NCL, Catalysis & Inorgan Chem Div, Pune 411008, Maharashtra, India in 2019.0, Cited 108.0. Recommanded Product: 1-(4-Nitrophenyl)ethanone. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6

Covalent organic frameworks (COFs) are a new class of porous crystalline polymers with a modular construct that favors fiinctionalization. COF pores can be used to grow nanoparticles (nPs) with dramatic size reduction, stabilize them as dispersions, and provide excellent nP access. Embedding substrate binding sites in COFs can generate host-guest synergy, leading to enhanced catalytic activity. In this report, Cu/Cu2O nPs (2-3 nm) are grown on a COF, which is built by linking a phenolic trialdehyde and a triamine through Schiff bonds. Their micropores restrict the nP to exceptionally small sizes (similar to 2-3 nm), and the pore walls decorated with strategically positioned hydrogen-bonding phenolic groups anchor the substrates via hydrogen-bonding, whereas the basic pyridyl sites serve as cationic species to stabilize the [CuclusterCl2](2-) type reactive intermediates. This composite catalyst shows high activity for Glaser-Hay heterocoupling reactions, an essential 1,3-diyne yielding reaction with widespread applicability in organic synthesis and material science. Despite their broad successes in homocoupled products, preparation of unsymmetrical 1,3-diynes is challenging due to poor selectivity. Here, our COF-based Cu catalyst shows elevated selectivity toward heterocoupling product(s) (Cu nP loading 0.0992 mol %; turn over frequency: similar to 4S-50; turn over number: similar to 17S-190). The reversible redox activity at the Cu centers has been demonstrated by carrying out X-ray photoelectron spectroscopy on the frozen reactions, whereas the crucial interactions between the substrates and the binding sites in their optimized configurations have been modeled using density functional theory methods. This report emphasizes the utility of COFs in developing a heterogeneous catalyst for a truly challenging organic heterocoupling reaction.

About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Chakraborty, D; Nandi, S; Mullangi, D; Haldar, S; Vinod, CP; Vaidhyanathan, R or concate me.. Recommanded Product: 1-(4-Nitrophenyl)ethanone

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

Recently I am researching about HYBRID MOLECULES; CYTOTOXICITY; DERIVATIVES; DISCOVERY; CANCER, Saw an article supported by the SERB, DSTDepartment of Science & Technology (India)Science Engineering Research Board (SERB), India [EMR/2016/003706]; DST, Government of IndiaDepartment of Science & Technology (India). Published in ROYAL SOC CHEMISTRY in CAMBRIDGE ,Authors: Panday, AK; Ali, D; Choudhury, LH. The CAS is 100-19-6. Through research, I have a further understanding and discovery of 1-(4-Nitrophenyl)ethanone. Category: benzodioxans

Herein we report iodine-mediated multicomponent reactions for the synthesis of naphthoquinone-fused pyrroles tethered with a pyrimidine moiety. The reaction of aryl methyl ketones (3) or terminal aryl alkynes (5) in the presence of molecular iodine in DMSO medium followed by sequential addition of barbituric acids (2) and 2-amino-1,4-naphthoquinone (1) provides the corresponding three-component hybrid molecules 4 having naphthoquinone-fused pyrroles tethered with a barbituric acid moiety. This three-component reaction proceeds via metal-free C-H oxidation followed by multi-component cyclization forming three new bonds (2 C-C, 1 C-N) in one pot. Alternatively, the same molecules can also be prepared from the reaction of arylglyoxals, 2-aminonaphthoquinone, and barbituric acids in the presence of a catalytic amount of iodine in methanol medium under reflux conditions. The salient features of these methodologies are: one-pot metal-free method, good yields, wide substrate scope, easy purification of products, and the presence of medicinally important naphthoquinone, pyrrole and pyrimidine moieties in the products.

About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Panday, AK; Ali, D; Choudhury, LH or concate me.. Category: benzodioxans

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

I found the field of Chemistry very interesting. Saw the article Copper-catalyzed coupling of anthranils and alpha-keto acids: direct synthesis of alpha-ketoamides published in 2019.0. Application In Synthesis of 1-(4-Nitrophenyl)ethanone, Reprint Addresses Zou, LH (corresponding author), Jiangnan Univ, Minist Educ, Sch Pharmaceut Sci, Key Lab Carbohydrate Chem & Biotechnol, Lihu Ave 1800, Wuxi 214122, Jiangsu, Peoples R China.. The CAS is 100-19-6. Through research, I have a further understanding and discovery of 1-(4-Nitrophenyl)ethanone

Copper-catalyzed coupling of alpha-keto acids with anthranils is reported for the synthesis of alpha-ketoamides. This process involves N-O/C-O bond cleavages and C-N bond formation. Furthermore, the decarboxylation of alpha-keto acids can be successfully suppressed under redox-neutral conditions.

About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Li, PG; Zhu, H; Fan, M; Yan, C; Shi, K; Chi, XW; Zou, LH or concate me.. Application In Synthesis of 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. Category: benzodioxans. 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.

Category: benzodioxans. About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Ang, HT; Rygus, JPG; Hall, DG or concate me.

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

Recommanded Product: 1-(4-Nitrophenyl)ethanone. In 2021.0 ORG LETT published article about ASYMMETRIC-SYNTHESIS; ALPHA-ALKYLATION; ALLYLIC ALCOHOLS; INHIBITORS; DISCOVERY; ALDEHYDES; BENZYLATION; ARYLATION in [Zhu, Xiaoyi; Li, Ruibo; Yao, Hequan; Lin, Aijun] China Pharmaceut Univ, Dept Med Chem, State Key Lab Nat Med, Jiangsu Key Lab Bioact Nat Prod Res, Nanjing 210009, Peoples R China in 2021.0, Cited 52.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6.

A palladium-catalyzed allenamide carbopalladation/allylation with active methine compounds has been developed. Various indoles and isoquinolinones bearing a quaternary carbon center were achieved with good efficiency, a broad substrate scope and good functional group tolerance. This reaction underwent cascade oxidative addition, carbopalladation, and allylic alkylation, and two new C-C bonds were formed in one pot.

Recommanded Product: 1-(4-Nitrophenyl)ethanone. About 1-(4-Nitrophenyl)ethanone, If you have any questions, you can contact Zhu, XY; Li, RB; Yao, HQ; Lin, AJ or concate me.

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