Tag: 100-200

He, Yuan-Yuan; Zhu, Mei-Shan; Gao, Yang; Hu, Xiao-Qiang published an article in 2022, the title of the article was Access to quinolinones via DMAP-catalysed cascade reaction of 2-substituted benzoic acids with organic azides.Recommanded Product: 89-77-0 And the article contains the following content:

A DMAP-catalyzed Curtius rearrangement and intramol. cyclization cascade reaction of 2-substituted aryl carboxylic acids with organic azides was reported for the first time. This protocol featured simple operation, broad scope and metal-free conditions, furnishing a broad spectrum of biol. attractive heterocycles. The synthetic virtue of this reaction was demonstrated by gram-scale synthesis and applicability toward drug-like mols. The experimental process involved the reaction of 2-Amino-4-chlorobenzoic acid(cas: 89-77-0).Recommanded Product: 89-77-0

The Article related to benzoic acid carbonyl azide dmap catalyst curtius rearrangement cyclization, quinolinone benzoimidazolone benzooxazolone benzothiazolone preparation green chem, Heterocyclic Compounds (More Than One Hetero Atom): Pyrazines and Quinoxalines (Including Piperazines) and other aspects.Recommanded Product: 89-77-0

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On September 11, 2009, Botton, Gerard; Valeur, Eric; Kergoat, Micheline; Charon, Christine; Elbawab, Samer published a patent.SDS of cas: 38939-88-7 The title of the patent was Preparation of quinoxalinone derivatives as insulin secretion stimulators useful for the treatment of diabetes. And the patent contained the following:

The title compounds I [R1 = H, alkyl, cycloalkyl, aryl, etc.; R6 = alkyl, aryl, heteroaryl, etc.; R2-R5 = H, Y or Z; Y = alkyl, cycloalkyl, heterocycloalkyl, etc.; Z = OH, SH, halo, CN. etc.], useful as insulin secretion stimulators for the prophylaxis and/or treatment of diabetes and pathologies associated, were prepared E.g., a multi-step synthesis of II, starting from 2-chloronitrobenzene and 2,2-difluoroethylamine, was given. Exemplified compounds I were evaluated in pancreatic INS-1 cells for their superior response to glucose (data given for representative compounds I). Pharmacetical composition comprising I is disclosed. The experimental process involved the reaction of 2-Chloro-4-methyl-1-nitrobenzene(cas: 38939-88-7).SDS of cas: 38939-88-7

The Article related to quinoxalinone preparation insulin secretion stimulator antidiabetic, Heterocyclic Compounds (More Than One Hetero Atom): Pyrazines and Quinoxalines (Including Piperazines) and other aspects.SDS of cas: 38939-88-7

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On March 18, 2022, Rozema, Michael J.; Bhagavatula, Lakshmi; Christesen, Alan; Dunn, Travis B.; Ickes, Andrew; Kotecki, Brian J.; Marek, James C.; Moschetta, Eric; Morrill, Westin H.; Mulhern, Mathew; Rasmussen, Michael; Reynolds, Troy; Yu, Su published an article.Category: chlorides-buliding-blocks The title of the article was Development of a Scalable Enantioselective Synthesis of JAK Inhibitor Upadacitinib. And the article contained the following:

Process development of a six-stage synthesis of upadacitinib, a JAK1 inhibitor, was described. It was highlighted by an enantioselective and diastereoselective hydrogenation of a tetrasubstituted olefin to set the two pyrrolidine stereocenters. Preparation of the main fragments and strategies to link them together, optimization of the imidazole cyclization and in-depth understanding of the formation of the urea moiety at the final stage were discussed. The experimental process involved the reaction of trimethyloxosulphonium chloride(cas: 5034-06-0).Category: chlorides-buliding-blocks

The Article related to upadacitinib preparation enantioselective diastereoselective, Heterocyclic Compounds (More Than One Hetero Atom): Pyrazines and Quinoxalines (Including Piperazines) and other aspects.Category: chlorides-buliding-blocks

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Milicevic Sephton, Selena; Vetterli, Peter T.; Pedani, Valentina; Cermak, Stjepko; Chiotellis, Aristeidis; Roscales, Sylvia; Mueller Herde, Adrienne; Schibli, Roger; Auberson, Yves P.; Ametamey, Simon M. published an article in 2017, the title of the article was Synthesis and Biological Evaluation of Quinoxaline Derivatives for PET Imaging of the NMDA Receptor.Recommanded Product: 2-Chloro-4-methyl-1-nitrobenzene And the article contains the following content:

Due to the biol. complexity of the N-methyl-D-aspartate receptor (NMDAR), the development of a positron emission tomog. radiotracer for the imaging of NMDAR has met with limited success. Recent studies have established the presence of GluN2A subunit of the NMDAR in the heart and its role in the regulation of intracellular calcium levels. In our efforts to develop an imaging agent for the GluN2A subunit, we designed three new compounds based on a quinoxaline scaffold. The synthesis of the analogs was based on a two-step Kabachnik-Fields reaction in sequence with Suzuki cross-coupling and acid hydrolysis. They exhibited comparable high binding affinity values below 5 nM. A two-step radiolabeling procedure was successfully developed for the synthesis of [18F]I. [18F]I was obtained in a modest overall radiochem. yield of 5.5 ± 4.2%, a good specific radioactivity of 254 ± 158 GBq/μmol, and a radiochem. purity > 99%. While two compounds showed comparable binding affinity towards NMDAR, sluggish radiolabeling, prevented their further evaluation. For [18F]I, in vitro autoradiog. on rat heart slices demonstrated heterogeneous but unspecific accumulation, whereas for the brain a high in vitro specificity towards NMDAR, could be demonstrated. The experimental process involved the reaction of 2-Chloro-4-methyl-1-nitrobenzene(cas: 38939-88-7).Recommanded Product: 2-Chloro-4-methyl-1-nitrobenzene

The Article related to quinoxaline preparation pet imaging, Heterocyclic Compounds (More Than One Hetero Atom): Pyrazines and Quinoxalines (Including Piperazines) and other aspects.Recommanded Product: 2-Chloro-4-methyl-1-nitrobenzene

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On July 31, 2021, Wang, Kai; Wang, Binli; Liu, Xianghui; Fan, Hongjun; Liu, Yan; Li, Can published an article.SDS of cas: 89-77-0 The title of the article was Palladium-catalyzed enantioselective linear allylic alkylation of vinyl benzoxazinanones: An inner-sphere mechanism. And the article contained the following:

Palladium-catalyzed asym. allylic alkylation (AAA) of vinyl benzoxazinanones has become an important strategy for the synthesis of chiral nitrogen-containing heterocycle compounds However, the asym. synthesis of linear-selective products has rarely been reported. The simultaneous control of regio-, E/Z- and enantioselectivities constitutes a major challenge and inhibits the advancement of this chem. Herein, authors present a palladium-catalyzed AAA of vinyl benzoxazinanones with α-thiocyanato ketones, affording various chiral thiocyanates characterized with high linear-, E- and stereoselectivities. The reaction has a broad substrate scope and the chiral thiocyanates can be transformed to useful heterocycles. Exptl. and computational studies suggest an inner-sphere mechanism for AAA process, which results from the acidic and coordination effect of the nucleophilic substrates with palladium catalyst. The experimental process involved the reaction of 2-Amino-4-chlorobenzoic acid(cas: 89-77-0).SDS of cas: 89-77-0

The Article related to chiral thiocyanate preparation enantioselective computational study, vinyl benzoxazinanone thiocyanato ketone asym allylic alkylation palladium catalyst, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Nitriles, Isonitriles, and Acyl Cyanides and other aspects.SDS of cas: 89-77-0

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Shi, Wei-Min; Liu, Feng-Ping; Wang, Zhi-Xin; Bi, Hong-Yan; Liang, Cui; Xu, Li-Ping; Su, Gui-Fa; Mo, Dong-Liang published an article in 2017, the title of the article was Synthesis of 1-Vinyl/Arylbenzotriazole 3-Oxides through a Copper-Mediated C-N Bond Coupling Reaction.HPLC of Formula: 38939-88-7 And the article contains the following content:

An efficient synthesis of 1-vinyl/arylbenzotriazole 3-oxides, e.g., I via the copper-promoted coupling of N-hydroxybenzotriazoles with alkenyl- or arylboronic acids is reported. This strategy features mild reaction conditions, good functional group tolerance, broad substrate scope and rapid introduction of benzotriazole N-oxide moieties into mols. D. functional theory calculations revealed that the formation of the favored N-coupling product depends on the kinetically more favorable C-N bond formation pathway. The experimental process involved the reaction of 2-Chloro-4-methyl-1-nitrobenzene(cas: 38939-88-7).HPLC of Formula: 38939-88-7

The Article related to vinylbenzotriazole arylbenzotriazole oxide preparation, hydroxybenzotriazole alkenylboronic arylboronic acid coupling copper catalyst, Heterocyclic Compounds (More Than One Hetero Atom): Other 5-Membered Rings, Two Or More Hetero Atoms and other aspects.HPLC of Formula: 38939-88-7

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On February 15, 2020, Ding, Zichao; Ni, Tingjunhong; Xie, Fei; Hao, Yumeng; Yu, Shichong; Chai, Xiaoyun; Jin, Yongsheng; Wang, Ting; Jiang, Yuanying; Zhang, Dazhi published an article.SDS of cas: 89-77-0 The title of the article was Design, synthesis, and structure-activity relationship studies of novel triazole agents with strong antifungal activity against Aspergillus fumigatus. And the article contained the following:

The incidence of invasive fungal infections has dramatically increased for several decades. In order to discover novel antifungal agents with broad spectrum and anti-Aspergillus efficacy, a series of novel triazole derivatives containing 1,2,3-benzotriazin-4-one was designed and synthesized. Most of the compounds exhibited stronger in vitro antifungal activities against tested fungi than fluconazole. Moreover, 7-chloro-3-((2R,3R)-3-(2,4-difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)benzo [d][1,2,3]triazin-4(3H)-one showed comparable antifungal activity against seven pathogenic strains as voriconazole and albaconazole, especially against Aspergillus fumigatus (MIC = 0.25μg/mL), and displayed moderate antifungal activity against fluconazole-resistant strains of Candida albicans. A clear SAR study indicated that compounds with groups at the 7-position resulted in novel antifungal triazoles with more effectiveness and a broader-spectrum. The experimental process involved the reaction of 2-Amino-4-chlorobenzoic acid(cas: 89-77-0).SDS of cas: 89-77-0

The Article related to triazole preparation sar antifungal agent aspergillus, antifungal, cyp51, molecular docking, synthesis, triazole, Heterocyclic Compounds (More Than One Hetero Atom): Other 5-Membered Rings, Two Or More Hetero Atoms and other aspects.SDS of cas: 89-77-0

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On September 25, 1992, Tsuji, Kiyoshi; Nakamura, Katsuya; Konishi, Nobukiyo; Okumura, Hiroyuki; Matsuo, Masaaki published an article.SDS of cas: 38939-88-7 The title of the article was Studies on antiinflammatory agents. I. Synthesis and pharmacological properties of 2′-phenoxymethanesulfonanilide derivatives. And the article contained the following:

Various 2′-phenoxymethanesulfonanilide derivatives I (R1 = H, NO2, CF3, CONH2, SEt, cyano, etc., R2 = H, COMe, Me) and II (R3-R5 = H, 2-F, 2,3-Cl2, 2-Br, 2-OMe, 2-SMe, etc.) were synthesized and evaluated for antiinflammatory and analgesic activities. Thus, 3-(2,4-difluorophenoxy)-4-nitrobenzonitrile reacted with Fe/NH4Cl/EtOH and MeSO2Cl/pyridine to give I (R1 = cyano, R2 = H). Some compounds bearing an electron-attracting substituent at the 4′-position strongly inhibited adjuvant-induced arthritis in rats and acetic acid-induced writhing syndrome in mice without causing gastro-intestinal irritation. Among them, 4′-cyano-(FK867) and 4′-acetyl-(FK3311) 2′-(2,4-difluorophenoxy)methanesulfonanilides were selected as the candidates for further development. The experimental process involved the reaction of 2-Chloro-4-methyl-1-nitrobenzene(cas: 38939-88-7).SDS of cas: 38939-88-7

The Article related to phenoxymethanesulfonanilide preparation analgesic antiinflammatory, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Sulfenic, Sulfinic, and Sulfonic Acids and Derivatives and other aspects.SDS of cas: 38939-88-7

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On October 31, 2020, Zhang, Yingying; Han, Fangwai; Zhang, Mengyao; Zhang, Huixin; Li, Ying; Wang, Ru; Zeng, Yongfei; Liu, Guiyan published an article.Application of 452-75-5 The title of the article was Highly Active Pd-PEPPSI Complexes for Suzuki-Miyaura Cross-coupling of Aryl Chlorides: an Investigation on the Effect of Electronic Properties. And the article contained the following:

Three new Pd-pyridine enhanced precatalyst preparation, stabilization and initiation (PEPPSI) complexes with halogen groups on the N-heterocyclic carbene and pyridine were prepared Their structures was clearly characterized by NMR spectroscopy and X-ray single-crystal diffraction. The effects of the electronic properties of halogen groups on the catalytic activity in the Suzuki-Miyaura cross-coupling of aryl chlorides were investigated. These Pd-PEPPSI complexes catalyzed the cross-coupling reaction efficiently with a low catalyst loading(0.05%, molar ratio) at room temperature and the products were obtained in high yields. The experimental process involved the reaction of 4-Chloro-2-fluorotoluene(cas: 452-75-5).Application of 452-75-5

The Article related to palladium peppsi complex diastereoselective preparation crystal structure, arylboronic acid aryl chloride palladium catalyst suzuki coupling, biaryl preparation, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Hydrocarbons (Saturated and Unsaturated Side Chains) and other aspects.Application of 452-75-5

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On April 4, 2014, Jefferies, Latisha R.; Cook, Silas P. published an article.Product Details of 35444-44-1 The title of the article was Iron-Catalyzed Arene Alkylation Reactions with Unactivated Secondary Alcohols. And the article contained the following:

A simple, iron-based catalytic system allows for the inter- and intramol. arylation of unactivated secondary alcs. This transformation expands the substrate scope beyond the previously required activated alcs. and proceeds under mild reaction conditions, tolerating air and moisture. Furthermore, the use of an enantioenriched secondary alc. provides an enantioenriched product for the intramol. reaction, thereby offering a convenient approach to nonracemic products. The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).Product Details of 35444-44-1

The Article related to unactivated secondary alc iron catalyzed intermol intramol arylation, enantioenriched secondary alc intramol iron catalyzed arylation stereoselective, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Hydrocarbons (Saturated and Unsaturated Side Chains) and other aspects.Product Details of 35444-44-1

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics