Month: October 2021

I found the field of Chemistry very interesting. Saw the article Access to Phenothiazine Derivatives via Iodide-Mediated Oxidative Three-Component Annulation Reaction published in 2020.0. COA of Formula: C7H5NO4, Reprint Addresses Zhang, M (corresponding author), South China Univ Technol, Key Lab Funct Mol Engn Guangdong Prov, Sch Chem & Chem Engn, Guangzhou 510641, Peoples R China.. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid

Herein, a new iodide-mediated three-component annulation reaction of secondary anilines, cyclohexanones, and elemental sulfur is demonstrated, which allows access to various phenothiazines with the merits of formation of multiple chemical bonds in one single operation, high step and atom efficiency, readily available feedstocks and catalyst system, and good substrate and functional group compatibility. The developed chemistry capable of constructing novel phenothiazines with structural diversity offers a significant basis for further applications.

COA of Formula: C7H5NO4. About 4-Nitrobenzoic acid, If you have any questions, you can contact Chen, QH; Xie, R; Jia, HH; Sun, JL; Lu, GP; Jiang, HF; Zhang, M or concate me.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

I found the field of Chemistry; Engineering; Polymer Science very interesting. Saw the article Lignin modified by deep eutectic solvents as green, reusable, and bio-based catalysts for efficient chemical fixation of CO2 published in 2020. HPLC of Formula: C7H5NO4, Reprint Addresses Xiong, XQ (corresponding author), Univ Huaqiao, Coll Mat Sci & Engn, Xiamen 361021, Peoples R China.. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid

Lignin is a biodegradable, abundant and renewable natural polymer on earth. In this study, deep eutectic solvents (DESs)-modified lignin heterogeneous catalysts were prepared for the first time via a facile acid-base interaction between choline chloride (ChCl) and p-aminobenzoic acid (PABA) or its derivatives, which were used to efficiently catalyze the cycloaddition of CO2 and terminal epoxides under green and mild conditions. Among them, lignin-ChCl-PABA was found to exhibit the highest catalytic activity for the cycloaddition of epoxides in the presence of 1.0 MPa of CO2 while retaining high selectivity, which far outperformed those achieved on the homogeneous EDSs catalytic system. A series of cyclic carbonates could be obtained in high yields (90-99%), and lignin-ChCl-PABA was stable and reusable for the cycloaddition reaction (84% yield after 5 recycles). The attaching DES of ChCl/PABA onto the functional lignin increased the catalytic activity and also made the catalyst easier to recycle from the reaction mixture. The -OH and -NH2 groups on the surface of lignin-ChCl-PABA played a very important role in the acceleration of the cycloaddition reaction under solvent free conditions.

HPLC of Formula: C7H5NO4. About 4-Nitrobenzoic acid, If you have any questions, you can contact Xiong, XQ; Zhang, H; Lai, SL; Gao, JB; Gao, LZ or concate me.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

HPLC of Formula: C7H5NO4. I found the field of Chemistry very interesting. Saw the article Delineation of the Critical Parameters of Salt Catalysts in the N-Formylation of Amines with CO2 published in 2019.0, Reprint Addresses Dyson, PJ (corresponding author), Ecole Polytech Fed Lausanne, Inst Chem & Chem Engn, CH-1015 Lausanne, Switzerland.. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid.

N-formylation of amines with CO2 is base-catalyzed and studies of salt catalysts reveal that the reaction is efficiently catalyzed by free floating anions of high basicity, as represented in the cover image. More information can be found in the Full Paper by P. J. Dyson et al. (DOI: 10.1002/chem.201901686).

HPLC of Formula: C7H5NO4. About 4-Nitrobenzoic acid, If you have any questions, you can contact Hulla, M; Ortiz, D; Katsyuba, S; Vasilyev, D; Dyson, PJ or concate me.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Authors Aziz, H; Saeed, A; Khan, MA; Afridi, S; Jabeen, F; Ashfaq-ur-Rehman; Hashim, M in WILEY-V C H VERLAG GMBH published article about ANTIOXIDANT ACTIVITIES; ANTIMICROBIAL ACTIVITY; THIOUREA DERIVATIVES; OXIDATIVE STRESS; L. in [Aziz, Hamid; Saeed, Aamer] Quaid I Azam Univ, Dept Chem, Islamabad 45320, Pakistan; [Khan, Muhammad Aslam; Afridi, Shakeeb] Quaid I Azam Univ, Dept Biotechnol, Islamabad 45320, Pakistan; [Jabeen, Farukh] Laurentian Univ, Dept Biol, 935 Ramsey Lake Rd, Sudbury, ON P3E 2C6, Canada; [Jabeen, Farukh] Computat Sci Res & Dev Org, 1401,2485 Hurontraio St, Mississauga, ON L5A 2G6, Canada; [Ashfaq-ur-Rehman] Abdul Wali Khan Univ, Dept Biochem, Shankar Campus, Mardan 23200, Khyber Pukhtoon, Pakistan; [Ashfaq-ur-Rehman] Shanghai Jiao Tong Univ, Dept Bioinformat & Biostat, 800 Dongchuan Rd, Shanghai 200240, Peoples R China; [Hashim, Muhammad] Quaid I Azam Univ, Dept Biochem, Islamabad 45320, Pakistan in 2020, Cited 47. Product Details of 62-23-7. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7

The present study reports the convenient synthesis, spectroscopic characterization, bio-assays and computational evaluation of a novel series of N-acyl-1H-imidazole-1-carbothioamides. The screened derivatives displayed excellent antioxidant activity, moderate antibacterial and antifungal potential. The screened derivatives were found to be highly biocompatible against hRBCs. Molecular docking ascertained the mechanism and mode of action towards the molecular target delineating that ligands and complexes were stabilized at the active site by electrostatic and hydrophobic forces in accordance to the corresponding experimental results. Docking simulation provided additional information about the possibilities of inhibitory potential of the compounds against RNA. Computational evaluation predicted that N-acyl-1H-imidazole-1-carbothioamides 5c and 5g can serve as potential surrogates for hit to lead generation and design of novel antioxidant and antibacterial agents.

About 4-Nitrobenzoic acid, If you have any questions, you can contact Aziz, H; Saeed, A; Khan, MA; Afridi, S; Jabeen, F; Ashfaq-ur-Rehman; Hashim, M or concate me.. Product Details of 62-23-7

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Recommanded Product: 4-Nitrobenzoic acid. Kitahata, S; Katsuyama, A; Ichikawa, S in [Kitahata, Shun; Katsuyama, Akira; Ichikawa, Satoshi] Hokkaido Univ, Fac Pharmaceut Sci, Sapporo, Hokkaido 0600812, Japan; [Katsuyama, Akira; Ichikawa, Satoshi] Hokkaido Univ, Ctr Res & Educ Drug Discovery, Sapporo, Hokkaido 0600812, Japan published A Synthesis Strategy for the Production of a Macrolactone of Gulmirecin A via a Ni(0)-Mediated Reductive Cyclization Reaction in 2020.0, Cited 29.0. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7.

A synthesis strategy for the production of a key synthetic intermediate of gulmirecin A was described. The key reaction in the preparation of the 12-membered macrolactone is the Ni(0)-mediated reductive cyclization reaction of ynal using an N-heterocyclic carbene ligand and silane reductant. In addition, the alpha-selective glycosylation reaction of the macrolactone was performed to demonstrate the synthesis of gulmirecin and disciformycin precursors.

About 4-Nitrobenzoic acid, If you have any questions, you can contact Kitahata, S; Katsuyama, A; Ichikawa, S or concate me.. Recommanded Product: 4-Nitrobenzoic acid

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

An article Access to Spirocyclic Benzothiophenones with Multiple Stereocenters via an Organocatalytic Cascade Reaction WOS:000547450900021 published article about PRIMARY AMINE CATALYSIS; DIELS-ALDER REACTIONS; ALPHA,BETA-UNSATURATED KETONES; ENANTIOSELECTIVE CONSTRUCTION; ASYMMETRIC-SYNTHESIS; FATTY-ACID; ADDITION-REACTIONS; MICHAEL REACTIONS; SULFUR; SULFENYLATION in [Formanek, Bedrich; Tauchman, Jiri; Vesely, Jan] Charles Univ Prague, Fac Sci, Dept Organ Chem, Prague 12843 2, Czech Republic; [Cisarova, Ivana] Charles Univ Prague, Fac Sci, Dept Inorgan Chem, Prague 12843 2, Czech Republic in 2020.0, Cited 72.0. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7. Product Details of 62-23-7

The present report describes an organocatalytic cascade reaction between 2-alkylidene benzo[b]thiophenone derivatives and enones in the presence of the Cinchona alkaloid amine. Spirobenzothiophenonic cyclohexane derivatives containing three stereocenters were prepared via one-step synthesis in yields ranging from 88 to 96% and in enantioselectivities (enantiomeric excess (ee)) ranging from 85 to 97%, with diastereoselectivities of approximately 14/2/1. Therefore, this method provides an efficient route for the synthesis of a new class of optically active 2-spirobenzothiophenones.

Product Details of 62-23-7. About 4-Nitrobenzoic acid, If you have any questions, you can contact Formanek, B; Tauchman, J; Cisarova, I; Vesely, J or concate me.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Recently I am researching about ALZHEIMERS-DISEASE; OXIDATIVE STRESS; CELECOXIB; DESIGN; APOPTOSIS; ACID; MICE, Saw an article supported by the Science and Technology Planning Program of Guangzhou [201704020146]; Science and Technology Planning Program of Guangdong Province [509164523031]. Published in ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER in ISSY-LES-MOULINEAUX ,Authors: Liao, LP; Jiang, CB; Chen, JW; Shi, JG; Li, XH; Wang, Y; Wen, J; Zhou, SJ; Liang, J; Lao, YQ; Zhang, JX. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid. Category: phthalazines

A series of 1,2,4-triazole derivatives 1-14 was synthesized to investigate their neuroprotective effects and mechanisms of action. Compounds 5-11 noticeably protected PC12 cells from the cytotoxicity of H2O2 or sodium nitroprusside (SNP). Compound 11 was the most effective derivative. Compound 11 chelated Fe (II) iron, scavenged reactive oxygen species (ROS), and restored the mitochondrial membrane potential (MMP). Moreover, it enhanced the activity of the antioxidant defense system by increasing the serum level of superoxide dismutase (SOD) and promoting the nuclear translocation of nuclear factor erythroid 2-related factor 2 (Nrf2). Compound 11 caused certain improvements in behavior, the cerebral infarction area, and serum levels of biochemical indicators (TNF-alpha, IL-10, SOD and MDA) in a rat MCAO model. The lethal dose (LD50) of compound 11 in mice receiving intraperitoneal injections was greater than 400 mg/kg. Meanwhile, pharmacokinetic experiments revealed high bioavailability of this compound after both oral and intravenous administration (F = 60.76%, CL = 0.014 mg/kg/h) and a longer half-life (4.26 and 5.11 h after oral and intravenous administration, respectively). Based on these findings, compound 11 may be a promising neuroprotectant for the treatment of ischemic stroke. (C) 2020 Elsevier Masson SAS. All rights reserved.

Category: phthalazines. About 4-Nitrobenzoic acid, If you have any questions, you can contact Liao, LP; Jiang, CB; Chen, JW; Shi, JG; Li, XH; Wang, Y; Wen, J; Zhou, SJ; Liang, J; Lao, YQ; Zhang, JX or concate me.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

An article Choline Chloride/Urea as an Eco-Friendly Deep Eutectic Solvent for TCT-Mediated Amide Coupling at Room Temperature WOS:000467344100001 published article about CARBOXYLIC-ACIDS; BOND FORMATION; IONIC LIQUIDS; 2,4,6-TRICHLORO-1,3,5-TRIAZINE TCT; OXIDATIVE AMIDATION; CYANURIC CHLORIDE; ACTIVATION; ALDEHYDES; PHENOLS; REAGENT in [Salimiyan, Kimiya] Persian Gulf Univ, Fac Sci, Dept Chem, Bushehr 75169, Iran; [Saberi, Dariush] Persian Gulf Univ, Marine Chem Dept, Fac Marine Sci & Technol, Bushehr 75169, Iran; [Saberi, Dariush] Persian Gulf Univ, Fisheries & Aquaculture Dept, Fac Agr & Nat Resources, Bushehr 75169, Iran in 2019, Cited 59. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7. Quality Control of 4-Nitrobenzoic acid

A desirable alternative to organic solvents, very cheap, non-toxic and biodegradable deep eutectic solvent (DES) based on choline chloride and urea was introduced for 2,4,6-trichloro triazine mediated amide bond formation between carboxylic acids and amines at room temperature. Sub-stoichiometric amount of TCT was used as a cheap and readily available C-O activating reagent. Various derivatives of amines were coupled with carboxylic acids, via triacylated triazine intermediate, resulting the reaction of acids with TCT, and the corresponding amides were obtained in moderate to good yields.

Quality Control of 4-Nitrobenzoic acid. About 4-Nitrobenzoic acid, If you have any questions, you can contact Salimiyan, K; Saberi, D or concate me.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

An article Chemical Synthesis and Immunological Evaluation of a Pentasaccharide Bearing Multiple Rare Sugars as a Potential Anti-pertussis Vaccine WOS:000518166600001 published article about BORDETELLA-PERTUSSIS; CARBOHYDRATE; GLYCOSYLATION; ANTIBODIES; INDUCTION; EVOLUTION; INFECTION; BETA; CELL in [Wang, Peng; Huo, Chang-xin; Lang, Shuyao; Nick, Setare Tahmasebi; Huang, Xuefei] Michigan State Univ, Dept Chem, 578 South Shaw Lane, E Lansing, MI 48824 USA; [Caution, Kyle; Dubey, Purnima; Deora, Rajendar] Ohio State Univ, Dept Microbial Infect & Immun, 460 W 12th Ave, Columbus, OH 43210 USA; [Deora, Rajendar] Ohio State Univ, Dept Microbiol, Columbus, OH 43210 USA; [Huang, Xuefei] Michigan State Univ, Dept Biomed Engn, E Lansing, MI 48824 USA; [Huang, Xuefei] Michigan State Univ, Inst Quantitat Hlth Sci & Engn, E Lansing, MI 48824 USA in 2020, Cited 40. Recommanded Product: 4-Nitrobenzoic acid. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7

With the infection rate of Bordetella pertussis at a 60-year high, there is an urgent need for new anti-pertussis vaccines. The lipopolysaccharide (LPS) of B. pertussis is an attractive antigen for vaccine development. With the presence of multiple rare sugars and unusual glycosyl linkages, the B. pertussis LPS is a highly challenging synthetic target. In this work, aided by molecular dynamics simulation and modeling, a pertussis-LPS-like pentasaccharide was chemically synthesized for the first time. The pentasaccharide was conjugated with a powerful carrier, bacteriophage Q beta, as a vaccine candidate. Immunization of mice with the conjugate induced robust anti-glycan IgG responses with IgG titers reaching several million enzyme-linked immunosorbent assay (ELISA) units. The antibodies generated were long lasting and boostable and could recognize multiple clinical strains of B. pertussis, highlighting the potential of Q beta-glycan as a new anti-pertussis vaccine.

About 4-Nitrobenzoic acid, If you have any questions, you can contact Wang, P; Huo, CX; Lang, SY; Caution, K; Nick, ST; Dubey, P; Deora, R; Huang, XF or concate me.. Recommanded Product: 4-Nitrobenzoic acid

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Recently I am researching about STRUCTURAL DIVERSITY; FLUORINATION; 3-FLUOROPIPERIDINES; NUCLEOPALLADATION; INHIBITORS; HERG, Saw an article supported by the National Nature Science Foundation of China (NFSC)National Natural Science Foundation of China (NSFC) [21532009, 21728201, 21971255, 21761142010]; Science and Technology Commission of Shanghai MunicipalityScience & Technology Commission of Shanghai Municipality (STCSM) [17XD1404500, 17QA1405200, 17JC1401200]; strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDB20000000]; Key Research Program of Frontier Science of the Chinese Academy of Sciences [QYZDJSSWSLH055]. Published in WILEY-V C H VERLAG GMBH in WEINHEIM ,Authors: Hou, CQ; Chen, PH; Liu, GS. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid. COA of Formula: C7H5NO4

The first asymmetric Pd-II-catalyzed aminofluorination of unactivated alkenes using chiral quinoline-oxazolines (Quox) as ligands has been developed. This reaction provides easy access to a wide array of enantiomerically enriched beta-fluoropiperidines in good yields and with excellent enantioselectivity. Notably, Et4NF.3 HF as a readily accessible nucleophilic fluoride source was found to play an essential role in the enantioselective control, and CsOCF3 also acts a key additive to improve the excellent ee value of products.

COA of Formula: C7H5NO4. About 4-Nitrobenzoic acid, If you have any questions, you can contact Hou, CQ; Chen, PH; Liu, GS or concate me.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem