Tag: M.W=100-150

Authors Kaloglu, N; Ozdemir, I in PERGAMON-ELSEVIER SCIENCE LTD published article about N-HETEROCYCLIC CARBENES; PALLADIUM COMPLEXES SYNTHESIS; ROOM-TEMPERATURE; ARYLBORONIC ACIDS; PYRIDINE HALIDES; ARYL BROMIDES; LIGANDS; PRECATALYST; WATER; STABILIZATION in [Kaloglu, Nazan; Ozdemir, Ismail] Inonu Univ, Fac Sci & Arts, Dept Chem, TR-44280 Malatya, Turkey; [Kaloglu, Nazan; Ozdemir, Ismail] Inonu Univ, Catalysis Res & Applicat Ctr, TR-44280 Malatya, Turkey in 2019.0, Cited 87.0. COA of Formula: C7H7Cl. The Name is 1-Chloro-2-methylbenzene. Through research, I have a further understanding and discovery of 95-49-8

A series of unsymmetrical 1,3-disubstituted benzimidazolium chlorides were synthesized as N-heterocyclic carbene (NHC) precursors. These compounds were used to synthesize of the PEPPSI-type palladium NHC complexes. The structures of all compounds were characterized by H-1 NMR, C-13 NMR, FT-IR spectroscopy and elemental analyses. The catalytic activity of the PEPPSI-type palladium-NHC complexes has been evaluated with respect to the Suzuki-Miyaura cross-coupling reactions of phenyl boronic acid with various aryl halides in aqueous media. (C) 2019 Elsevier Ltd. All rights reserved.

About 1-Chloro-2-methylbenzene, If you have any questions, you can contact Kaloglu, N; Ozdemir, I or concate me.. COA of Formula: C7H7Cl

Reference:
Patent; Nanjing Zhongteng Chemical Co., Ltd.; Zhong Hua; Lu Minshan; Chen Xiuzhen; Liu Qiaobao; Yin Hengbo; Wang Aili; (8 pag.)CN104876790; (2017); B;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

I found the field of Gastroenterology & Hepatology very interesting. Saw the article Biopsy rate and nonalcoholic steatohepatitis (NASH) in patients with nonalcoholic fatty liver disease (NAFLD) published in 2020. Category: chlorides-buliding-blocks, Reprint Addresses Wiegand, J (corresponding author), Univ Hosp Leipzig, Clin & Polyclin Oncol Gastroenterol Hepatol Pneum, Liebigstr 20, D-04103 Leipzig, Germany.. The CAS is 87-63-8. Through research, I have a further understanding and discovery of 2-Chloro-6-methylaniline

Background:Licensed therapies for nonalcoholic fatty liver disease (NAFLD) do not yet exist, but clinical trials are testing treatment options. Inclusion criteria often require liver biopsy showing fibrosis (F2/3) or cirrhosis (F4) and nonalcoholic steatohepatitis (NASH). However, histological criteria pose a serious obstacle for recruitment. Aims:Characterize the relevance of liver biopsies in the selection of patients with NAFLD. Methods:Patients between 2013 and 2018 with the ICD-10 code K76.0 were analyzed. Fibrosis was defined by the NASH clinical research network (CRN) fibrosis staging system, NASH by a NAFLD activity score (NAS) >= 4. Predictive factors were determined by logistic regression. Results:Liver biopsy was performed in 87/638 (13.6%) patients (49% female, age 52.5 +/- 14.0, BMI 30.4 +/- 5.9 kg/m(2)). Fibrosis stage F0/F1/F2/F3/F4 was observed inN = 7/47/7/17/9, an NAS >= 4 inN = 27. Fibrosis stage F2/F3 and F4 along with NAS >= 4 was found in 1.7% and 0.5% of cases. Liver stiffness measurement, LSM (OR 2.3 per doubling of value; CI 1.3-4.4,p = .005) and FIB-4 (OR 2.3 per doubling of value; CI 1.2-4.4,p = .012) were significant predictors for fibrosis >= F2. Predictive factors for NASH were not identified. Conclusion:The biopsy rate in NAFLD patients is low and fibrosis >= F2 along with NAS >= 4 only present in a few cases. Transient elastography and FIB-4 are useful to select patients at risk for fibrosis for liver biopsy.

About 2-Chloro-6-methylaniline, If you have any questions, you can contact Gerhardt, F; Petroff, D; Blank, V; Bohlig, A; van Bommel, F; Wittekind, C; Berg, T; Karlas, T; Wiegand, J or concate me.. Category: chlorides-buliding-blocks

Reference:
Patent; ASTRAZENECA AB; NPS PHARMACEUTICALS, INC.; WO2006/20879; (2006); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Bao, FY; Cao, YB; Liu, WB; Zhu, JH in [Bao, Fengyu; Cao, Yuanbo; Liu, Wenbo; Zhu, Junhao] Henan Agr Univ, Coll Sci, Zhengzhou 450002, Henan, Peoples R China published Ligand-free iron-catalyzed benzylic C (sp(3))-H amination of methylarenes with N-fluorobenzenesulfonimide in 2019.0, Cited 67.0. Safety of 1-Chloro-2-methylbenzene. The Name is 1-Chloro-2-methylbenzene. Through research, I have a further understanding and discovery of 95-49-8.

Direct conversion of cheap methylarenes to benzylic amines, which are essential structural units of important drugs, is of great significance. However, the known methodologies suffer from the requirement of noble metal catalysts, heavy metal residues or strong oxidants. Herein, the first biocompatible iron-catalyzed benzylic C (sp(3))-H amination of methylarenes with N-fluorobenzenesulfonimide is described. The reactions of methylarenes bearing electron-donating groups and electron-withdrawing groups ran smoothly under ligand and additional oxidant free conditions. Both toluene derivatives and 8-methylquinoline can be aminated by the same iron catalyst.

Safety of 1-Chloro-2-methylbenzene. About 1-Chloro-2-methylbenzene, If you have any questions, you can contact Bao, FY; Cao, YB; Liu, WB; Zhu, JH or concate me.

Reference:
Patent; Nanjing Zhongteng Chemical Co., Ltd.; Zhong Hua; Lu Minshan; Chen Xiuzhen; Liu Qiaobao; Yin Hengbo; Wang Aili; (8 pag.)CN104876790; (2017); B;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

An article Palladate Precatalysts for the Formation of C-N and C-C Bonds WOS:000477074800013 published article about CROSS-COUPLING REACTIONS; HETEROCYCLIC CARBENE COMPLEXES; BUCHWALD-HARTWIG; SUZUKI-MIYAURA; (NHC)PD(ALLYL)CL NHC; CATALYTIC-ACTIVITY; ALPHA-ARYLATION; ARYL; AMINATION; LIGANDS in [Zinser, Caroline M.; Warren, Katie G.] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland; [Nahra, Fady; Nolan, Steven P.; Cazin, Catherine S. J.] Univ Ghent, Dept Chem, Krijgslaan 281,S-3, B-9000 Ghent, Belgium; [Nahra, Fady; Nolan, Steven P.; Cazin, Catherine S. J.] Univ Ghent, Ctr Sustainable Chem, Krijgslaan 281,S-3, B-9000 Ghent, Belgium; [Nahra, Fady] VITO, Flemish Inst Technol Res, Separat & Convers Technol, Boeretang 200, B-2400 Mol, Belgium; [Al-Majid, Abdullah; Barakat, Assem; Islam, Mohammad Shahidul; Nolan, Steven P.] King Saud Univ, Coll Sci, Dept Chem, POB 2455, Riyadh 11451, Saudi Arabia in 2019.0, Cited 55.0. The Name is 1-Chloro-2-methylbenzene. Through research, I have a further understanding and discovery of 95-49-8. Quality Control of 1-Chloro-2-methylbenzene

A series of imidazolium-based palladate precatalysts has been synthesized and the catalytic activity of these air- and moisture-stable complexes evaluated as a function of the nature of the imidazolium counterion. These precatalysts can be converted under catalytic conditions to Pd-NHC species capable of enabling the Buchwald-Hartwig aryl amination and the alpha-arylation of ketones. Both reactions can be carried out efficiently under very mild operating conditions. The effectiveness of the protocol was tested on functionality-laden substrates.

Quality Control of 1-Chloro-2-methylbenzene. About 1-Chloro-2-methylbenzene, If you have any questions, you can contact Zinser, CM; Warren, KG; Nahra, F; Al-Majid, A; Barakat, A; Islam, MS; Nolan, SP; Cazin, CSJ or concate me.

Reference:
Patent; Nanjing Zhongteng Chemical Co., Ltd.; Zhong Hua; Lu Minshan; Chen Xiuzhen; Liu Qiaobao; Yin Hengbo; Wang Aili; (8 pag.)CN104876790; (2017); B;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Product Details of 95-49-8. Liang, KJ; Li, T; Li, N; Zhang, Y; Shen, L; Ma, ZX; Xia, CF in [Liang, Kangjiang; Li, Tao; Li, Na; Zhang, Yang; Shen, Lei; Ma, Zhixian; Xia, Chengfeng] Yunnan Univ, Lib Yunnan Univ,Sch Chem Sci & Technol, Key Lab Med Chem Nat Resource,Minist Educ & Yunna, State Key Lab Conservat & Utilizat Bioresources Y, 2 North Cuihu Rd, Kunming 650091, Yunnan, Peoples R China published Redox-neutral photochemical Heck-type arylation of vinylphenols activated by visible light in 2020.0, Cited 57.0. The Name is 1-Chloro-2-methylbenzene. Through research, I have a further understanding and discovery of 95-49-8.

Disclosed herein is a photochemical Heck-type arylation of vinylphenols with non-activated aryl and heteroaryl halides under visible light irradiation. Preliminary mechanistic studies suggested that the colored vinylphenolate anions acted as a strong reducing photoactivator to directly activate (hetero)aryl halides without the need for any sacrificial reductants. The photochemically generated aryl radicals coupled with another molecule of vinylphenol to afford the Heck-type arylation product in a regiospecific and stereoselective manner. The developed photochemical arylation protocol showed exceptional functional group tolerance and was successfully applied in the challenging late-stage modification of natural products without any protection-deprotection procedures.

About 1-Chloro-2-methylbenzene, If you have any questions, you can contact Liang, KJ; Li, T; Li, N; Zhang, Y; Shen, L; Ma, ZX; Xia, CF or concate me.. Product Details of 95-49-8

Reference:
Patent; Nanjing Zhongteng Chemical Co., Ltd.; Zhong Hua; Lu Minshan; Chen Xiuzhen; Liu Qiaobao; Yin Hengbo; Wang Aili; (8 pag.)CN104876790; (2017); B;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Name: 1-Chloro-2-methylbenzene. Recently I am researching about CROSS-COUPLING REACTIONS; PD-PEPPSI COMPLEXES; STRUCTURAL-CHARACTERIZATION; C-C; NHC; PALLADIUM; LIGANDS; PRECATALYST; SERIES, Saw an article supported by the Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [16-29-10786]. Published in SPRINGER in NEW YORK ,Authors: Soliev, SB; Astakhov, AV; Pasyukov, DV; Chernyshev, VM. The CAS is 95-49-8. Through research, I have a further understanding and discovery of 1-Chloro-2-methylbenzene

Catalytic activity of nickel(ii) and palladium(ii) N-heterocyclic carbene (NHC) complexes derived from imidazole, benzimidazole, and 1,2,4-triazole was comparatively evaluated in the cross-coupling reactions of aryl halides with arylboronic acids. Readily available nickel bis-NHC complexes (NHC)(2)NiX2 (X = Cl, Br, or I) exhibited the activity comparable to that of the structurally related palladium complexes and, consequently, can be applied as efficient catalysts for the Suzuki-Miyaura reaction.

Name: 1-Chloro-2-methylbenzene. About 1-Chloro-2-methylbenzene, If you have any questions, you can contact Soliev, SB; Astakhov, AV; Pasyukov, DV; Chernyshev, VM or concate me.

Reference:
Patent; Nanjing Zhongteng Chemical Co., Ltd.; Zhong Hua; Lu Minshan; Chen Xiuzhen; Liu Qiaobao; Yin Hengbo; Wang Aili; (8 pag.)CN104876790; (2017); B;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

An article Tuning the extraction properties of ionogel-coated Solid-phase microextraction fibers based on the solvation properties of the ionic liquids WOS:000536142200065 published article about GAS-CHROMATOGRAPHY; ANALYTICAL-CHEMISTRY; POLYMER; WATER in [Yavir, Kateryna; Konieczna, Karolina; Marcinkowski, Lukasz; Kloskowski, Adam] Gdansk Univ Technol, Fac Chem, Dept Phys Chem, Narutowicza Str 11-12, PL-80233 Gdansk, Poland in 2020.0, Cited 51.0. Safety of 1-Chloro-2-methylbenzene. The Name is 1-Chloro-2-methylbenzene. Through research, I have a further understanding and discovery of 95-49-8

A silica-based network was used to immobilize ionic liquid-based ionogels and applied as a fiber coating for solid-phase microextraction (SPME). The ionogels were prepared by a sol-gel process, using two ionic liquids, triethylsulfonium bis(trifluoromethylsulfonyl)imide ([Set(3)][TFSI]) and 1-butyl-1-methylpiperidinium bis(trifluoromethylsulfonyl)imide ([C(4)C(1)Pip] [TFSI]), as well as their equimolar mixture. Methyltrimethoxysilane was used as the sol-gel precursor, and trifluoroacetic acid as a reaction catalyst. The fabricated ionogel fibers were evaluated as sorbent coating in headspace SPME combined with gas chromatography with barrier ionization discharge detection for volatile organic compounds (VOCs). The fibers showed a high affinity to aromatic VOCs, yielding good sensitivity and precision. Then, the developed method was applied to the analysis of aqueous samples. During the study, the main extraction parameters, i.e., salt concentration, extraction time, and temperature, were optimized for maximum fiber sorption and to maximize the enrichment factors. The average limits of detection were found to be 0.15 mu g L-1, 0.40 mu g L-1, and 0.07 mu g L-1, and the enrichment factors were in the 25700-61000, 33200-84700, and 29100-96500 ranges for [Set(3)], [C4C1 Pip] and [Set(3)/C4C1 Pip], respectively. The single fiber and fiber-to-fiber reproducibilities were below 11.2% and 30.6%, respectively. The results of this work suggest the possibility of fabricating selected extractants based on the physicochemical properties of the ionic liquids and target analytes.

About 1-Chloro-2-methylbenzene, If you have any questions, you can contact Yavir, K; Konieczna, K; Marcinkowski, L; Kloskowski, A or concate me.. Safety of 1-Chloro-2-methylbenzene

Reference:
Patent; Nanjing Zhongteng Chemical Co., Ltd.; Zhong Hua; Lu Minshan; Chen Xiuzhen; Liu Qiaobao; Yin Hengbo; Wang Aili; (8 pag.)CN104876790; (2017); B;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Category: chlorides-buliding-blocks. I found the field of Chemistry very interesting. Saw the article Design, synthesis and application of triazole ligands in suzuki miyaura cross coupling reaction of aryl chlorides published in 2020.0, Reprint Addresses Khera, RA; Iqbal, J (corresponding author), Univ Agr Faisalabad, Dept Chem, Faisalabad 38040, Pakistan.. The CAS is 95-49-8. Through research, I have a further understanding and discovery of 1-Chloro-2-methylbenzene.

DFT calculations have been demonstrated to be a valuable tool for the mechanistic study of reaction which is difficult to acquire from pure experimental techniques. Structural, electronic and coordination aspects of synthesized triazole ligands were investigated theoretically by structure optimization on Gaussian 09 package by DFT approach at B3LYP/6-31G (d, p). HOMO-LUMO energy gaps correlated to its chemical reactivity and this information applied to interpret the role of ligand in the formation of ligand-metal complex. Electron rich environment around the triazole core stabilized the HOMO orbital and made these electrons available to form complex with Pd centre. The DFT calculations provide a plausible mechanism for the reaction that is consistent with the available experimental facts. A series of triazole ligands have been synthesized via efficient 1,3-dipolar cycloaddition of readily available azide and alkynes for coordination to Pd centre. Characterization of all the synthesized compounds was done by FTIR, H-1 NMR, C-13 NMR and HRMS. Their ligand-Pd complexes provided excellent yields in the Suzuki-Miyaura coupling reactions (up to 92% yield) of unactivated aryl chlorides. Ligand 4-(2,6-dimethoxyphenyl)-1-phenyl-1H-1,2,3-triazole (L2) was found to be most effective ligand because of electron donating 2,6 dimethoxy phenyl moiety attached to triazole ring at 4-position that facilitated the formation of electron rich ligand-catalyst complex. The complex favoured the oxidative addition step of Pd across the aryl chloride substrate and thus allowed for the development of highly active ligand-catalyst system for Suzuki reaction. During computational analysis, 4-(2,6-dimethoxyphenyl)-1-phenyl-1H-1,2,3-triazole (L2) also showed lowest band gap due to electron rich distribution pattern on the HOMO that are involve in ligand-Pd complex formation. Conclusively, these triazoles ligands were found to be more competent and attractive for palladium catalyst because of simplistic pathway for the synthesis of triazole motif and the ease of individual tuning of the substituents on triazole core or exocyclic to it. (C) 2020 Elsevier B.V. All rights reserved.

Category: chlorides-buliding-blocks. About 1-Chloro-2-methylbenzene, If you have any questions, you can contact Jabeen, S; Khera, RA; Iqbal, J; Asgher, M or concate me.

Reference:
Patent; Nanjing Zhongteng Chemical Co., Ltd.; Zhong Hua; Lu Minshan; Chen Xiuzhen; Liu Qiaobao; Yin Hengbo; Wang Aili; (8 pag.)CN104876790; (2017); B;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Jacob, N; Guillemard, L; Wencel-Delord, J in [Jacob, Nicolas; Guillemard, Lucas; Wencel-Delord, Joanna] Univ Haute Alsace, Lab Innovat Mol & Applicat, ECPM, CNRS,UMR 7042,Univ Strasbourg, 25 Rue Becquerel, F-67087 Strasbourg, France published Highly Efficient Synthesis of Hindered 3-Azoindoles via Metal-Free C-H Functionalization of Indoles in 2020, Cited 45. Category: chlorides-buliding-blocks. The Name is 2-Chloro-6-methylaniline. Through research, I have a further understanding and discovery of 87-63-8.

Although 3-azoindoles have recently emerged as an appealing family of photoswitch molecules, the synthesis of such compounds has been poorly covered in the literature. Herein a high-yielding and operationally simple protocol is reported allowing the synthesis of 3-azoindoles, featuring important steric hindrance around the azo motif. Remarkably, this C-H coupling is characterized by excellent atom economy and occurs under metal-free conditions, at room temperature, and within few minutes, delivering the expected products in excellent yields (quantitatively in most of the cases). Accordingly, a library of new molecules, with potential applications as photochromic compounds, is prepared.

Category: chlorides-buliding-blocks. About 2-Chloro-6-methylaniline, If you have any questions, you can contact Jacob, N; Guillemard, L; Wencel-Delord, J or concate me.

Reference:
Patent; ASTRAZENECA AB; NPS PHARMACEUTICALS, INC.; WO2006/20879; (2006); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Chen, C; Wang, YB; Shi, XN; Sun, W; Zhao, JH; Zhu, YP; Liu, LY; Zhu, BL in [Chen, Chen; Wang, Yuebo; Shi, Xiaonan; Sun, Wan; Zhao, Jinghui; Liu, Liying; Zhu, Bolin] Tianjin Normal Univ, Coll Chem, Tianjin Key Lab Struct & Peiformance Funct Mol, Tianjin 300387, Peoples R China; [Zhu, Yan-Ping] Collaborat Innovat Ctr Adv Drug Delivery Syst & B, Sch Pharm, Key Lab Mol Pharmacol & Drug Evaluat, Minist Educ, Yantai 264005, Shandong, Peoples R China published Palladium-Catalyzed C-2 and C-3 Dual C-H Functionalization of Indoles: Synthesis of Fluorinated Isocryptolepine Analogues in 2020, Cited 56. Category: chlorides-buliding-blocks. The Name is 2-Chloro-6-methylaniline. Through research, I have a further understanding and discovery of 87-63-8.

Here we report a protocol to synthesize diversiform fluorinated isocryptolepine analogues with potential biological activities in one step via directed C-2 and C-3 dual C-H functionalization of indoles. We also attempted to take into account fluorinated imidoyl chlorides as a novel kind of synthons in the directed C-H functionalization reactions. As a result, a variety of fluorinated isocryptolepine analogues were obtained in up to 96% yield. Moreover, we conducted control experiments to disclose the reaction mechanism.

Category: chlorides-buliding-blocks. About 2-Chloro-6-methylaniline, If you have any questions, you can contact Chen, C; Wang, YB; Shi, XN; Sun, W; Zhao, JH; Zhu, YP; Liu, LY; Zhu, BL or concate me.

Reference:
Patent; ASTRAZENECA AB; NPS PHARMACEUTICALS, INC.; WO2006/20879; (2006); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics