Category: 22353-34-0

Feng, Rui; Jie, Suyun; Braunstein, Pierre; Li, Bo-Geng published the article 《Pyridyl-urea catalysts for the solvent-free ring-opening polymerization of lactones and trimethylene carbonate》. Keywords: pyridyl urea catalyst ring opening polymerization lactone trimethylene carbonate; solvent free green ring opening polymerization pyridyl urea catalyst.They researched the compound: 5-Chloropyridin-3-amine( cas:22353-34-0 ).Product Details of 22353-34-0. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:22353-34-0) here.

The ring-opening polymerization (ROP) of lactones is an effective method for the preparation of biocompatible and biodegradable aliphatic polyesters, for which the development of efficient organocatalysts with high activity and good controllability is highly desirable. A series of novel pyridyl-urea catalysts was synthesized and applied in the solvent-free ROP of lactones and trimethylene carbonate. Combined with 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene (MTBD), the pyridyl-urea/MTBD systems showed a fast and living/controlled behavior in the ROP, generating polymers with narrow mol. weight distributions. The influences of catalyst structure, type of base, pyridyl-urea/base ratio, feed ratio of monomer/initiator and reaction temperature on the catalytic properties were investigated. A possible mechanism was proposed on the basis of NMR titration and dilution experiments

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 5-Chloropyridin-3-amine, is researched, Molecular C5H5ClN2, CAS is 22353-34-0, about Silver-Mediated Trifluoromethoxylation of (Hetero)aryldiazonium Tetrafluoroborates, the main research direction is silver mediated Sandmeyer fluoromethoxylation aryl heteroaryl amine.Related Products of 22353-34-0.

Here we report a silver-mediated trifluoromethoxylation of (hetero)aryldiazonium tetrafluoroborates by converting an aromatic amino group into an OCF3 group. This method, which can be considered to be a trifluoromethoxylation variation of the classic Sandmeyer-type reaction, uses readily available aryl and heteroaromatic amines as starting materials and AgOCF3 as trifluoromethoxylating reagents. The broad substrate scope and simple, mild reaction condition made this transformation a valuable method in constructing aryl-OCF3 bonds.

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1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

Yang, Yu-Ming; Yao, Jian-Fei; Yan, Wei; Luo, Zhuangzhu; Tang, Zhen-Yu published the article 《Silver-Mediated Trifluoromethoxylation of (Hetero)aryldiazonium Tetrafluoroborates》. Keywords: silver mediated Sandmeyer fluoromethoxylation aryl heteroaryl amine.They researched the compound: 5-Chloropyridin-3-amine( cas:22353-34-0 ).Product Details of 22353-34-0. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:22353-34-0) here.

Here we report a silver-mediated trifluoromethoxylation of (hetero)aryldiazonium tetrafluoroborates by converting an aromatic amino group into an OCF3 group. This method, which can be considered to be a trifluoromethoxylation variation of the classic Sandmeyer-type reaction, uses readily available aryl and heteroaromatic amines as starting materials and AgOCF3 as trifluoromethoxylating reagents. The broad substrate scope and simple, mild reaction condition made this transformation a valuable method in constructing aryl-OCF3 bonds.

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1,3-Benzodioxole – Wikipedia,
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In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Addressing species specific metabolism and solubility issues in a quinoline series of oral PDE4 inhibitors, published in 2010-01-01, which mentions a compound: 22353-34-0, Name is 5-Chloropyridin-3-amine, Molecular C5H5ClN2, Reference of 5-Chloropyridin-3-amine.

Species specific conversion of the lead PDE4 inhibitor 1 to the quinolone 3 was identified as the major route of metabolism in the cynomolgus monkey. Modification of the template to give the cinnoline 9 retained potency and selectivity, and greatly improved the pharmacokinetic profile in the cynomolgus monkey compared with 1. Addnl. SAR studies aimed at improving the solubility of 9 are also described.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Research Support, Non-U.S. Gov’t, Bioorganic & Medicinal Chemistry Letters called Discovery of 5-substituent-N-arylbenzamide derivatives as potent, selective and orally bioavailable LRRK2 inhibitors, Author is Ding, Xiao; Dai, Xuedong; Long, Kai; Peng, Cheng; Andreotti, Daniele; Bamborough, Paul; Eatherton, Andrew J.; Edge, Colin; Jandu, Karamjit S.; Nichols, Paula L.; Philps, Oliver J.; Stasi, Luigi Piero; Wan, Zehong; Xiang, Jia-Ning; Dong, Kelly; Dossang, Pamela; Ho, Ming-Hsun; Li, Yi; Mensah, Lucy; Guan, Xiaoming; Reith, Alastair D.; Ren, Feng, which mentions a compound: 22353-34-0, SMILESS is NC1=CC(=CN=C1)Cl, Molecular C5H5ClN2, Safety of 5-Chloropyridin-3-amine.

Leucine-rich repeat kinase 2 (LRRK2) has been suggested as a potential therapeutic target for Parkinson’s disease. Herein we report the discovery of 5-substituent-N-arylbenzamide derivatives as novel LRRK2 inhibitors. Extensive SAR study led to the discovery of compounds I, which demonstrated potent LRRK2 inhibition activity, high selectivity across the kinome, good brain exposure, and high oral bioavailability.

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Reference of 5-Chloropyridin-3-amine. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 5-Chloropyridin-3-amine, is researched, Molecular C5H5ClN2, CAS is 22353-34-0, about Pd-Catalyzed Suzuki coupling reactions of aryl halides containing basic nitrogen centers with arylboronic acids in water in the absence of added base. Author is Li, Zhao; Gelbaum, Carol; Campbell, Zachary S.; Gould, Paul C.; Fisk, Jason S.; Holden, Bruce; Jaganathan, Arvind; Whiteker, Gregory T.; Pollet, Pamela; Liotta, Charles L..

The Pd-catalyzed Suzuki coupling reactions of a series of aryl chlorides and aryl bromides containing basic nitrogen centers with arylboronic acids in water in the absence of added base were reported. The reactions proceeded either partially or entirely under acidic conditions. After surveying twenty-two phosphorus ligands, high yields of products were obtained with aryl chlorides only when a bulky ligand, 2-(di-tert-butyl-phosphino)-1-phenyl-1H-pyrrole (cataCXiumPtB) was used. In contrast, aryl bromides produced high yields of products in the absence of both added base and added ligand. In order to explore the Suzuki coupling process entirely under acidic conditions, a series of reactions were conducted in buffered acidic media using several model substrates. 4-Chlorobenzylamine, in the presence of cataCXiumPtB, produced high yields of product at buffered pH 6.0; the yields dropped off precipitously at buffered pH 5.0 and lower. The fall-off in yield was attributed to the decomposition of the Pd-ligand complex due to the protonation of the ligand in the more acidic aqueous media. In contrast, in the absence of an added ligand, 4-amino-2-chloropyridine produced quant. yields at buffered pH 3.5 and 4.5 while 4-amino-2-bromopyridine produced quant. yields in a series of buffered media ranging from pH 4.5 to 1.5. These substrates were only partially protonated in acidic media and could behave as active Pd ligands in the Suzuki catalytic cycle.

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1,3-Benzodioxole – Wikipedia,
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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Journal of Medicinal Chemistry called Discovery of Orally Efficacious Phosphoinositide 3-Kinase δ Inhibitors with Improved Metabolic Stability, Author is Patel, Leena; Chandrasekhar, Jayaraman; Evarts, Jerry; Forseth, Kristen; Haran, Aaron C.; Ip, Carmen; Kashishian, Adam; Kim, Musong; Koditek, David; Koppenol, Sandy; Lad, Latesh; Lepist, Eve-Irene; McGrath, Mary E.; Perreault, Stephane; Puri, Kamal D.; Villasenor, Armando G.; Somoza, John R.; Steiner, Bart H.; Therrien, Joseph; Treiberg, Jennifer; Phillips, Gary, which mentions a compound: 22353-34-0, SMILESS is NC1=CC(=CN=C1)Cl, Molecular C5H5ClN2, Application of 22353-34-0.

Aberrant signaling of phosphoinositide-3-kinase delta (PI3K-delta) has been implicated in numerous pathologies including hematol. malignancies and rheumatoid arthritis. Described in this manuscript is the discovery, optimization and in vivo evaluation of a novel series of pyridine-containing PI3K-delta inhibitors. This work led to the discovery of I, a highly selective inhibitor of PI3K-delta which displays an excellent pharmacokinetic profile and is efficacious in a rodent model of rheumatoid arthritis.

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HPLC of Formula: 22353-34-0. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 5-Chloropyridin-3-amine, is researched, Molecular C5H5ClN2, CAS is 22353-34-0, about Discovery of Orally Efficacious Phosphoinositide 3-Kinase δ Inhibitors with Improved Metabolic Stability. Author is Patel, Leena; Chandrasekhar, Jayaraman; Evarts, Jerry; Forseth, Kristen; Haran, Aaron C.; Ip, Carmen; Kashishian, Adam; Kim, Musong; Koditek, David; Koppenol, Sandy; Lad, Latesh; Lepist, Eve-Irene; McGrath, Mary E.; Perreault, Stephane; Puri, Kamal D.; Villasenor, Armando G.; Somoza, John R.; Steiner, Bart H.; Therrien, Joseph; Treiberg, Jennifer; Phillips, Gary.

Aberrant signaling of phosphoinositide-3-kinase delta (PI3K-delta) has been implicated in numerous pathologies including hematol. malignancies and rheumatoid arthritis. Described in this manuscript is the discovery, optimization and in vivo evaluation of a novel series of pyridine-containing PI3K-delta inhibitors. This work led to the discovery of I, a highly selective inhibitor of PI3K-delta which displays an excellent pharmacokinetic profile and is efficacious in a rodent model of rheumatoid arthritis.

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1,3-Benzodioxole – Wikipedia,
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COA of Formula: C5H5ClN2. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 5-Chloropyridin-3-amine, is researched, Molecular C5H5ClN2, CAS is 22353-34-0, about Silver-Mediated Trifluoromethoxylation of (Hetero)aryldiazonium Tetrafluoroborates. Author is Yang, Yu-Ming; Yao, Jian-Fei; Yan, Wei; Luo, Zhuangzhu; Tang, Zhen-Yu.

Here we report a silver-mediated trifluoromethoxylation of (hetero)aryldiazonium tetrafluoroborates by converting an aromatic amino group into an OCF3 group. This method, which can be considered to be a trifluoromethoxylation variation of the classic Sandmeyer-type reaction, uses readily available aryl and heteroaromatic amines as starting materials and AgOCF3 as trifluoromethoxylating reagents. The broad substrate scope and simple, mild reaction condition made this transformation a valuable method in constructing aryl-OCF3 bonds.

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1,3-Benzodioxole – Wikipedia,
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Category: dioxole. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5-Chloropyridin-3-amine, is researched, Molecular C5H5ClN2, CAS is 22353-34-0, about Copper-Catalyzed Electrochemical C-H Amination of Arenes with Secondary Amines. Author is Yang, Qi-Liang; Wang, Xiang-Yang; Lu, Jia-Yan; Zhang, Li-Pu; Fang, Ping; Mei, Tian-Sheng.

Electrochem. oxidation represents an environmentally friendly solution to conventional methods that require caustic stoichiometric chem. oxidants. However, C-H functionalizations merging transition-metal catalysis and electrochem. techniques are, to date, largely confined to the use of precious metals and divided cells. Herein, the authors report the 1st examples of Cu-catalyzed electrochem. C-H aminations of arenes at room temperature using undivided electrochem. cells, thereby providing a practical solution for the construction of arylamines. The use of Bu4NI as a redox mediator is crucial for this transformation. From mechanistic studies including kinetic profiles, isotope effects, cyclic voltammetric analyses, and radical inhibition experiments, the reaction appears to proceed via a single-electron-transfer (SET) process, and a high valent Cu(III) species is likely involved. These findings provide a new avenue for transition-metal-catalyzed electrochem. C-H functionalization reactions using redox mediators.

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