Day: September 30, 2021

An article Improvements in the Acylation of 3-Methylindole Using Amberlyst-15 WOS:000594368900011 published article about FRIEDEL-CRAFTS ACYLATION; RING-CLOSURE; INDOLES; EFFICIENT; CATALYST; ACID in [Vargas, Dario A.; Mendez, Leticia J.; Canepa, Alicia S.] Univ Nacl La Plata, Ctr Estudio Compuestos Organ CEDECOR, Dept Quim, Fac Ciencias Exactas, Calle 47 & 115, RA-1900 La Plata, Argentina; [Mendez, Leticia J.] Univ Nacl La Plata, Ctr Invest & Desarrollo Ciencias Aplicadas Dr Jor, Calle 47 257, RA-1900 La Plata, Argentina in 2020, Cited 31. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0. Quality Control of Benzoic anhydride

A simple and efficient methodology for Friedel-Crafts acylation of 3-methylindole using Amberlyst 15 resin as catalyst is described. This methodology shows good selectivity towards the formation of the products of 2-acylation, (3-methyl-1H-indol-2-yl)ketones. Several advantages can be ascribed to Amberlyst 15, among them; are the ease of handling, quick separation from the reaction mixture and minimum or no production of the chemical residues that must be eliminated. Besides, the catalyst can be easily recycled and reused with a minimal loss in activity through 6 reaction cycles. The catalyst was characterized by FT-IR spectroscopy and superficial acidity.

Quality Control of Benzoic anhydride. About Benzoic anhydride, If you have any questions, you can contact Vargas, DA; Mendez, LJ; Canepa, AS or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Song, SY; Kim, IS; Koppula, S; Park, JY; Kim, BW; Yoon, SH; Choi, DK in [Song, Soo-Yeol; Kim, In-Su; Koppula, Sushruta; Kim, Byung-Wook; Choi, Dong-Kug] Konkuk Univ, Dept Biotechnol, Chungju 380701, South Korea; [Park, Ju-Young; Yoon, Sung-Hwa] Ajou Univ, Dept Mol Sci & Technol, Suwon 443749, South Korea published 2-Hydroxy-4-Methylbenzoic Anhydride Inhibits Neuroinflammation in Cellular and Experimental Animal Models of Parkinson’s Disease in 2020, Cited 45. Quality Control of Benzoic anhydride. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0.

Microglia-mediated neuroinflammation is one of the key mechanisms involved in acute brain injury and chronic neurodegeneration. This study investigated the inhibitory effects of 2-hydroxy-4-methylbenzoic anhydride (HMA), a novel synthetic derivative of HTB (3-hydroxy-4-trifluoromethylbenzoic acid) on neuroinflammation and underlying mechanisms in activated microglia in vitro and an in vivo mouse model of Parkinson’s disease (PD). In vitro studies revealed that HMA significantly inhibited lipopolysaccharide (LPS)-stimulated excessive release of nitric oxide (NO) in a concentration dependent manner. In addition, HMA significantly suppressed both inducible NO synthase and cyclooxygenase-2 (COX-2) at the mRNA and protein levels in LPS-stimulated BV-2 microglia cells. Moreover, HMA significantly inhibited the proinflammatory cytokines such as interleukin (IL)-1beta, IL-6, and tumor necrosis factor-alpha in LPS-stimulated BV-2 microglial cells. Furthermore, mechanistic studies ensured that the potent anti-neuroinflammatory effects of HMA (0.1, 1.0, and 10 mu M) were mediated by phosphorylation of nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor, alpha (I kappa B alpha) in LPS-stimulated BV-2 cells. In vivo evaluations revealed that intraperitoneal administration of potent neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP, 20 mg/kg, four times a 1 day) in mice resulted in activation of microglia in the brain in association with severe behavioral deficits as assessed using a pole test. However, prevention of microglial activation and attenuation of Parkinson’s disease (PD)-like behavioral changes was obtained by oral administration of HMA (30 mg/kg) for 14 days. Considering the overall results, our study showed that HMA exhibited strong anti-neuroinflammatory effects at lower concentrations than its parent compound. Further work is warranted in other animal and genetic models of PD for evaluating the efficacy of HMA to develop a potential therapeutic agent in the treatment of microglia-mediated neuroinflammatory disorders, including PD.

Quality Control of Benzoic anhydride. About Benzoic anhydride, If you have any questions, you can contact Song, SY; Kim, IS; Koppula, S; Park, JY; Kim, BW; Yoon, SH; Choi, DK or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Direct Amidation of Carboxylic Acids with Nitroarenes WOS:000494562600063 published article about PEPTIDE COUPLING REAGENTS; SECONDARY AMIDES; CADOGAN REACTION; TRANSAMIDATION; ARYL; INHIBITORS; CHEMISTRY; AMINES; AMINOCARBONYLATION; HYDROAMINATION in [Cheung, Chi Wai; Ma, Jun-An] Tianjin Univ, Tianjin Key Lab Mol Optoelect Sci, Dept Chem, Tianjin 300072, Peoples R China; Tianjin Univ, Tianjin Collaborat Innovat Ctr Chem Sci & Engn, Tianjin 300072, Peoples R China; Joint Sch NUS & TJU, Int Campus Tianjin Univ, Fuzhou 350207, Fujian, Peoples R China in 2019, Cited 87. Safety of 3-Methylbenzoic acid. The Name is 3-Methylbenzoic acid. Through research, I have a further understanding and discovery of 99-04-7

N-Aryl amides are an important class of compounds in pharmaceutical and agrochemical chemistry. Rapid and low-cost synthesis of N-aryl amides remains in high demand. Herein, we disclose an operationally simple process to access N-aryl amides directly from readily available nitroarenes and carboxylic acids as coupling substrates. This method involves the in situ activation of carboxylic acids to acyloxyphosphonium salt for one-pot amidation, without the need for isolation of the corresponding synthetic intermediates. Furthermore, the ease of preparation and workup allow the quick and efficient synthesis of a wide range of N-aryl amides, including several amide-based druglike and agrochemical molecules.

Safety of 3-Methylbenzoic acid. About 3-Methylbenzoic acid, If you have any questions, you can contact Wang, SP; Cheung, CW; Ma, JA or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Name: 1,3-Dimethoxybenzene. In 2020 GREEN CHEM published article about FUNCTIONALIZATION; METAL; IDENTIFICATION; THIOCYANATION in [Wu, Yaxing; Ding, Hongliang; Zhao, Ming; Ni, Zhong-Hai; Cao, Jing-Pei] China Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R China in 2020, Cited 50. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0.

The electrochemical-induced C-H methylthiolation of electron-rich aromatics has been accomplished via a three component cross-coupling strategy. Potassium thiocyanate (KSCN) as both the supporting electrolyte and sulfur source and methanol as the methylation reagent are used. This protocol is versatile for various (hetero)aromatic compounds such as aniline, anisole and indole. The reaction proceeds under mild conditions without any metal catalyst, exogenous oxidant and highly toxic sulfur reagent. Importantly, such an electrochemical-induced methylthiolated reaction could be easily scaled up with good efficiency.

About 1,3-Dimethoxybenzene, If you have any questions, you can contact Wu, YX; Ding, HL; Zhao, M; Ni, ZH; Cao, JP or concate me.. Name: 1,3-Dimethoxybenzene

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Authors Xu, KQ; Liu, L; Li, ZH; Huang, TZ; Xiang, K; Chen, TQ in AMER CHEMICAL SOC published article about in [Xu, Kaiqiang; Liu, Long; Li, Zhaohui; Huang, Tianzeng; Xiang, Kang; Chen, Tieqiao] Hainan Univ, Hainan Prov Fine Chem Engn Res Ctr, Hainan Prov Key Lab Fine Chem, Key Lab,Minist Educ Adv Mat Trop Isl Resources, Haikou 570228, Hainan, Peoples R China in 2020, Cited 64. COA of Formula: C14H10O3. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0

The controllable phosphorylations of thioesters were developed. When the reaction was catalyzed by a palladium catalyst, aryl or alkenyl phosphoryl compounds were generated through decarbonylative coupling, while the benzyl phosphoryl compounds were produced through deoxygenative coupling when the reaction was carried out in the presence of only a base.

COA of Formula: C14H10O3. About Benzoic anhydride, If you have any questions, you can contact Xu, KQ; Liu, L; Li, ZH; Huang, TZ; Xiang, K; Chen, TQ or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Name: 1,3-Dimethoxybenzene. Authors Ojah, EO; Moronkola, DO; Ajiboye, CO; Yusuf, TL; Adeniyi-Akee, MA in TAYLOR & FRANCIS LTD published article about in [Ojah, Emmanuel Onah; Moronkola, Dorcas Olufunke; Ajiboye, Clement Odunayo] Univ Ibadan, Dept Chem, Ibadan, Nigeria; [Ojah, Emmanuel Onah] Mt Top Univ, Dept Chem Sci, Coll Basic & Appl Sci, Makogi Oba, Ogun State, Nigeria; [Yusuf, Tunde Lewis] Univ KwaZulu Natal, Sch Chem & Phys, Private Bag X54001,Westville Campus, ZA-4000 Durban, South Africa; [Adeniyi-Akee, Mukaram Akintunde] Igbined Univ, Dept Pharmaceut Chem, Coll Pharm, Okada, Edo State, Nigeria in 2021, Cited 47. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0

The chemical composition of essential oils (EOs) isolated by hydrodistillation from Pterocarpus soyauxii Taub. root wood and root bark were determined for the first time by GC/MS analysis. The EOs gave a percentage yield (w/w) of 0.34 % and 0.31 % for root wood and root bark respectively. A total of 60 compounds accounting for 86.1 % of the root wood EO composition were identified with monoterpenes (45.4 %) and sesquiterpenes (14.7 %) as predominant constituents. Root bark EO gave 53 identified constituents which make up about 78.5 % of the EO dominated by non-terpenes (23.4 %) and alkanes (14.1 %). The EOs are good sources of limonene (16.9 %), gamma-terpinene (9.8 %) and p-cymene (6.70 %). The anti-diabetic (alpha-amylase and alpha-glucosidase models) and antioxidant activities (DPPH and H2O2 models) of EOs were evaluated in comparison with standard drugs. Alpha-amylase inhibition gave IC50 values (mg/mL) of 0.0493 and 0.0471 for root wood and root bark EOs respectively, compared to acarbose the standard anti-diabetic drug (0.0401) while alpha-glucosidase assay gave IC50 values (mg/mL) of 0.0517 and 0.0486 for root wood and root bark EOs respectively, compared with acarbose (0.0418). In the DPPH antioxidant assay, root bark EO showed higher activity (0.157 mg/mL) compared to root wood EO (0.159 mg/mL) while Root wood and root bark EOs had IC(50 )values (mg/mL) of 0.157 and 0.171 respectively using the H2O2 model. Results revealed the presence of chemical constituents in the EOs which could be responsible for activities expressed by the plant.

About 1,3-Dimethoxybenzene, If you have any questions, you can contact Ojah, EO; Moronkola, DO; Ajiboye, CO; Yusuf, TL; Adeniyi-Akee, MA or concate me.. Name: 1,3-Dimethoxybenzene

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Recently I am researching about HETEROGENEOUS CATALYST; HIGHLY EFFICIENT; CARBON NANOTUBES; QUINAZOLINONES; FACILE; NITRO, Saw an article supported by the Research Council of Payame Noor University. Published in MAIK NAUKA/INTERPERIODICA/SPRINGER in NEW YORK ,Authors: Fallah-Mehrjardi, M; Kalantari, S. The CAS is 93-02-7. Through research, I have a further understanding and discovery of 2,5-Dimethoxybenzaldehyde. Name: 2,5-Dimethoxybenzaldehyde

In the present study, an efficient and magnetically recoverable Bronsted acid ionic liquid, 1-methyl-3-[3-(triethoxysilyl)propyl]-1H-imidazol-3-ium hydrogen sulfate, immobilized on the surface of Fe3O4@SiO2 magnetic nanoparticles (Fe3O4@SiO2-ImHSO(4)) has been used for a high-yield synthesis of 2,3-dihydroquinazolin-4(1H)-ones through the condensation of anthranilamide with aldehydes and ketones in EtOH at room temperature or under reflux. The significant features of the present protocol are short reaction times, high yields of products, ecofriendly reaction conditions, simple work-up, and reusability of the catalyst. The catalyst can be simply magnetically recovered and reused at least five times without considerable loss of its catalytic activity.

About 2,5-Dimethoxybenzaldehyde, If you have any questions, you can contact Fallah-Mehrjardi, M; Kalantari, S or concate me.. Name: 2,5-Dimethoxybenzaldehyde

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Recently I am researching about METAL-FREE SYNTHESIS; CARBOXYLIC-ACIDS; 2+2 PHOTOCYCLOADDITION; PHOTOREDOX CATALYSIS; ESTERS; TRIFLUOROMETHYLATION; ACTIVATION; COMPLEXES; ARYLATION, Saw an article supported by the National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21771131, 21471108, 21773163]; Natural Science Foundation of Jiangsu ProvinceNatural Science Foundation of Jiangsu Province [BK20161276]; Scientific and Technologic Infrastructure of Suzhou [SZS201708]. Published in ROYAL SOC CHEMISTRY in CAMBRIDGE ,Authors: Zhu, DL; Li, HX; Xu, ZM; Li, HY; Young, DJ; Lang, JP. The CAS is 99-04-7. Through research, I have a further understanding and discovery of 3-Methylbenzoic acid. Formula: C8H8O2

We report an approach to the visible light-initiated, nickel-catalyzed esterification of carboxylic acids with aryl bromides. Thioxanthen-9-one works as a triplet photosensitizer to significantly accelerate this cross-coupling to provide aryl esters in moderate to excellent yields at room temperature. A mechanistic investigation indicates that this esterification undergoes the stepwise oxidative addition of an arylbromide to nickel, transmetalation of an aryl-Ni(ii) bromide complex, energy transfer from thioxanthen-9-one to an excited-state aryl-Ni(ii) carboxylate and reductive elimination to the aryl ester. This study contributes to the utilization of ketones as triplet photosensitisers in photochemical transformations.

Formula: C8H8O2. About 3-Methylbenzoic acid, If you have any questions, you can contact Zhu, DL; Li, HX; Xu, ZM; Li, HY; Young, DJ; Lang, JP or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

HPLC of Formula: C14H10O3. Recently I am researching about TYROSINE KINASE INHIBITOR; FREE GOLD NANOPARTICLES; AU NANOPARTICLES; BLOOD-PLASMA; CANCER; ERLOTINIB; CELLS; PHARMACOKINETICS; SPECTROSCOPY; LABEL, Saw an article supported by the Associazione Italiana per la Ricerca sul Cancro (AIRC)Fondazione AIRC per la ricerca sul cancro [12214]; Strategic Program of the University of Padova NAMECA; project P-DiSC [04BIRD2016-UNIPD]. Published in ACADEMIC PRESS INC ELSEVIER SCIENCE in SAN DIEGO ,Authors: Litti, L; Ramundo, A; Biscaglia, F; Toffoli, G; Gobbo, M; Meneghetti, M. The CAS is 93-97-0. Through research, I have a further understanding and discovery of Benzoic anhydride

Competitive reactions, on the surface of plasmonic nanostructures, allow exploiting SERS signals for quantitative Therapeutic Drug Monitoring. As an example, the concentration of Erlotinib, an anti-EGFR small molecule, used for the treatment of non-small cell lung and pancreatic cancer, is determined. The numerous side effects and the variability of patient responses make Erlotinib a good candidate for monitoring. The new SERS based sensor can estimate Erlotinib down to nanomolar concentration and is based on the chemical reaction of the drug and of a competitor SERS reporter on the surface of gold nanostructures. Colloid solutions of naked gold nanoparticles obtained by laser ablation in solution were used for obtaining nanostructures with very efficient hot spots for SERS and with a clean surface for chemistry. Detection of the drug in the nanomolar concentration range is shown to be possible also in spiked plasma samples. (C) 2018 Elsevier Inc. All rights reserved.

HPLC of Formula: C14H10O3. About Benzoic anhydride, If you have any questions, you can contact Litti, L; Ramundo, A; Biscaglia, F; Toffoli, G; Gobbo, M; Meneghetti, M or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Application In Synthesis of 2,5-Dimethoxybenzaldehyde. In 2019.0 CELLULOSE published article about LIGNOCELLULOSE FRACTIONATION; ENZYMATIC-HYDROLYSIS; PYROLYSIS; BIOMASS; CHEMICALS; DEPOLYMERIZATION; PRETREATMENT; VALORIZATION; BETA-O-4; PLATFORM in [Lyu, Gaojin; Wu, Qin; Li, Tengfei; Jiang, Weikun; Ji, Xingxiang; Yang, Guihua] Qilu Univ Technol, Shandong Acad Sci, State Key Lab Biobased Mat & Green Papermaking, Jinan 250353, Shandong, Peoples R China in 2019.0, Cited 42.0. The Name is 2,5-Dimethoxybenzaldehyde. Through research, I have a further understanding and discovery of 93-02-7.

In the present examination, the thermochemical behavior of the lignin extracted from willow (Salix matsudana cv. Zhuliu) by deep eutectic solvents (DES) treatment (DES-lignin) with varied times were investigated with the techniques of thermogravimetric analyzer, in situ diffuse reflectance infrared pyrolysis (in situ-FTIR), and pyrolysis-gas chromatography/mass spectrometry. The results showed that thermal degradation of DES-lignin mainly occurred at 185-470 degrees C with two maximum weight loss peaks at 265 degrees C and 380 degrees C respectively, and the solid residue was 40% when terminated at 800 degrees C. The identified cluster of aromatics from in situ-FTIR was detected earlier and stronger than those of small molecular gases, suggesting cleavage of lignin intermolecular linkages dominated the initial pyrolysis process. The DES-lignin was sensitive to pyrolysis to produce aromatics. The total phenols yield from DES-lignin pyrolysis reached a maxima of 95.1% at 450 degrees C, among which phenol and guaiacol accounted for the largest proportion, i.e. 20.8% and 24.2% respectively. In addition, product distribution was remarkably affected by pyrolysis temperature and the DES treatment time used for lignin isolation.

About 2,5-Dimethoxybenzaldehyde, If you have any questions, you can contact Lyu, GJ; Wu, Q; Li, TF; Jiang, WK; Ji, XX; Yang, GH or concate me.. Application In Synthesis of 2,5-Dimethoxybenzaldehyde

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com