Tag: M.W=150-200

An article Fluorenone Schiff base derivative complexes of ruthenium, rhodium and iridium exhibiting efficient antibacterial activity and DNA-binding affinity WOS:000525896700010 published article about METAL-COMPLEXES; LIGANDS in [Kollipara, Mohan Rao; Shadap, Lathewdeipor] North Eastern Hill Univ, Ctr Adv Studies Chem, Shillong 793022, Meghalaya, India; [Banothu, Venkanna] JNTUH, Ctr Biotechnol CBT, IST, Hyderabad 500085, Telangana, India; [Agarwal, Nipanshu; Poluri, Krishna Mohan] Indian Inst Technol Roorkee, Dept Biotechnol, Roorkee 247667, Uttar Pradesh, India; [Agarwal, Nipanshu; Poluri, Krishna Mohan] Indian Inst Technol Roorkee, Ctr Nanotechnol, Roorkee 247667, Uttar Pradesh, India; [Kaminsky, Werner] Univ Washington, Dept Chem, Seattle, WA 98195 USA in 2020.0, Cited 37.0. The Name is Phenyl(pyridin-2-yl)methanone. Through research, I have a further understanding and discovery of 91-02-1. COA of Formula: C12H9NO

Metal precursors [(arene)MCl2](2) (arene = p-cymene, Cp*; M = Ru, Rh and Ir) on reacting with 9-fluorenone derivative ligands L1, L2 and L3 resulted in the formation of mononuclear bidentate cationic N boolean AND N bonded complexes. The biological studies of these complexes such as antibacterial activity studies (against Gram-positive and Gram-negative bacteria) revealed significant antibacterial activity with complexes 4, 7 and 9 having the highest activity potency (in-vitro). Whilst for DNA-binding studies, the results revealed that complexes 4 and 5 displayed significant changes in their spectral features upon addition of SM-DNA, thus, indicating that these complexes bind to DNA with a significant affinity. (C) 2020 Elsevier B.V. All rights reserved.

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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

Computed Properties of C8H9NO2. In 2020 CROAT CHEM ACTA published article about ISOPARAMETRICITY in [Shpan’ko, Igor] Vasil Stus Donetsk Natl Univ, Dept Chem Biol & Biotechnol, 21 600 Richchia Str, UA-21021 Vinnytsia, Ukraine; [Sadovaya, Irina] Donetsk Natl Univ, Dept Chem, 24 Univ Skaya Str, UA-83001 Donetsk, Ukraine in 2020, Cited 15. The Name is Ethyl nicotinate. Through research, I have a further understanding and discovery of 614-18-6.

The combined influence of structural factors (Y, Z substituents) on the rate of catalyzed by Z-substituted pyridines reactions of phenyloxirane with Y-substituted N-aroylbenzenesulfonamides in acetonitrile at 293 K was studied. A cross-correlation analysis of the results of a multifactor kinetic experiment was carried out. A polylinear regression, that adequately describes the non-additive effects of substituents Y and Z, was calculated. Due to the interaction of the joint effects of structure, the cross-reaction series exhibits isoparametric properties. The mechanism of the catalytic process has been discussed.

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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

An article Tuning of cytotoxic activity by bio-mimetic ligands in ruthenium nitrosyl complexes WOS:000569381800006 published article about BIOLOGICAL-PROPERTIES; NITRIC-OXIDE; CRYSTAL; DRUG; CANCER in [Rechitskaya, E. D.; Kuratieva, N., V; Lider, E., V; Eremina, J. A.; Kostin, G. A.] Nikolaev Inst Inorgan Chem SB RAS, Lavrentieva 3, Novosibirsk, Russia; [Rechitskaya, E. D.; Kuratieva, N., V; Lider, E., V; Eremina, J. A.; Eltsov, I., V; Kostin, G. A.] Novosibirsk State Univ, Pirogova 2, Novosibirsk, Russia; [Klyushova, L. S.] Inst Mol Biol & Biophys, Subdiv FRC FTM, 2-12 Timakova Str, Novosibirsk 630060, Russia; [Klyushova, L. S.] Sci Inst Clin & Expt Lymphol, Branch ICG SB RAS, 2 Timakova Str, Novosibirsk 630117, Russia in 2020, Cited 37. The Name is Ethyl nicotinate. Through research, I have a further understanding and discovery of 614-18-6. Product Details of 614-18-6

Three novel ruthenium nitrosyl complexes [Ru(NO)Cl-3(InicMe)(2)] (1b), [RuNOCl3(NicEt)(2)] (1c) and [RuNOCl3(NicMe)(2)] (1d) (InicMe = methyl isonicotinate, NicEt = ethyl nicotinate, NicMe = methyl nicotinate)were prepared and crystal structure of the complexes were determined by single crystal XRD analysis. In all complexes, the organic ligands are coordinated by a pyridine nitrogen atom and located in trans-position each to other and in cis-position to NO group. In the crystal package of all compounds stacking interactions of two types were determined: pi(arene)-pi(arene) and pi(COO)-pi(arene) stacking. Finally, cytotoxicity of the compounds was tested on Hep2 and HepG2 cell lines. In the set of similar compounds mer-[RuNO(L)(2)Cl-3] (L = Py, gamma-Pic, beta-Pic, Inic-Alk, Nic-Alk), complexes with iso-nicotinic acid esters are the most toxic, while nicotinic acid derivatives are less toxic and compared with pyridine complex. (C) 2020 Elsevier B.V. All rights reserved.

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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

An article Transfer hydrogenation of ketones catalyzed by 2,6-bis(triazinyl) pyridine ruthenium complexes: The influence of alkyl arms WOS:000484876900003 published article about ASYMMETRIC TRANSFER HYDROGENATION; LIGAND; EXTRACTION; SEPARATION; BEARING; ENANTIOSELECTIVITY; PALLADIUM; ACTINIDES in [Wang, Liandi; Liu, Tingting] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China; [Liu, Tingting] Henan Acad Sci, Inst Chem, Zhengzhou 450002, Henan, Peoples R China in 2019.0, Cited 42.0. Product Details of 91-02-1. The Name is Phenyl(pyridin-2-yl)methanone. Through research, I have a further understanding and discovery of 91-02-1

The transfer hydrogenation of ketones catalyzed by transition metal complexes has attracted much attention. A series of ruthenium(11) complexes bearing 2,6-bis(5,6-dialkyl-1,2,4-triazin-3-yl)pyridine ligands (R-BTPs) were synthesized and characterized by NMR analysis and X-ray diffraction. These ruthenium (II) complexes were applied in the transfer hydrogenation of ketones. Their different catalytic activity were attributed to the alkyl arms on the 2,6-bis(5,6-dialkyl-1,2,4-triazin-3-yl)pyridine. As the length of the alkyl arms rising, the catalytic activities of the complex catalysts decreased. By means of 0.4 mol % catalyst RuCl2(PPh3)(3-methylbutyl-BTP) in refluxing 2-propanol, a variety of ketones were reduced to their corresponding alcohols with >95% conversion over a period of 3 h. (C) 2019 Elsevier Science. All rights reserved. (C) 2019 Elsevier Ltd. All rights reserved.

Product Details of 91-02-1. Welcome to talk about 91-02-1, If you have any questions, you can contact Wang, LD; Liu, TT or send Email.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

COA of Formula: C8H9NO2. Authors Wang, XJ; Guo, MY; Song, HL; Meng, Q; Guan, XS in ELSEVIER SCI LTD published article about in [Wang, Xiaojun; Guo, Mengyao; Song, Huanlu; Meng, Qi] Beijing Technol & Business Univ BTBU, Beijing Adv Innovat Ctr Food Nutr & Human Hlth, Beijing Res Ctr Food Addit Engn Technol, Lab Mol Sensory Sci, Beijing 100048, Peoples R China; [Guan, Xiaosheng] J & X Technol Shanghai Co Ltd, Room 1034,1599 Jungong Rd, Shanghai 200438, Peoples R China in 2021, Cited 28. The Name is Ethyl nicotinate. Through research, I have a further understanding and discovery of 614-18-6

Activity of odor compounds of soy sauces has not been fully determined so far. Herein, a new switchable GC/ GC x GC-olfactometry-mass spectrometry system for simultaneous GC x GC-MS analysis and sniffing of each odor-active substance through a single injection was used for the aroma extract dilution analysis of five regular high-salt liquid-state soy sauces (HLS). Methional, maltol, guaiacol, 4-ethylguaiacol, 2-acetylpyrrole, 2-acetylfuran, 2-phenylethanol, and 4-hydroxy-2,5-dimethyl-3(2H)-furanone showed high flavor dilution (FD) factors. The FD factors of all odor-active compounds in different odor attributes were summed up (score) to evaluate the odor characteristics of the samples. Cooked potato-like odor was the most important characteristic. The difference in the odor characteristics were mainly reflected in the balance of caramel-like/sweet, roasted/roasted nut-like, spicy/burnt, and unpleasant odor intensity; the fruity odor intensity was the weakest. This study will provide a better understanding of the odor characteristics and key odor-active compounds in Chinese regular commercial HLS.

COA of Formula: C8H9NO2. Bye, fridends, I hope you can learn more about C8H9NO2, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

An article Reusable Palladium Nanoparticles Catalyzed Oxime Ether Directed Mono Ortho-Hydroxylation under Phosphine Free Neutral Condition WOS:000457795500018 published article about C-H HYDROXYLATION; C(SP(2))-H BOND HYDROXYLATION; CARBOXYLIC-ACIDS; OXYGENATION; RUTHENIUM; FUNCTIONALIZATION; ACYLATION; PHENOL; DERIVATIVES; HETEROCYCLES in [Saha, Rajib; Perveen, Naziya; Nihesh, Naorem; Sekar, Govindasamy] Indian Inst Technol Madras, Dept Chem, Chennai 600036, India in 2019.0, Cited 61.0. Computed Properties of C12H9NO. The Name is Phenyl(pyridin-2-yl)methanone. Through research, I have a further understanding and discovery of 91-02-1

An efficient, reusable and stable binaphthyl stabilized Pd-nanoparticles (Pd-BNP) catalyzed the direct ortho-C-H hydroxylation of acetophenone oxime ethers under neutral and phosphine ligand-free condition has been developed. A readily available, economic, safe and greener oxidant oxone has been used in this direct ortho-hydroxylation. The scope of the reaction has been studied with various acetophenone oxime ethers including electron rich to electron deficient system and the reaction afforded only mono hydroxylated products in a highly regioselective manner. Several control experiment results confirmed that the oxone is the hydroxyl source. The Pd-BNP catalyst has been reused up to five times. The heterogeneous test confirmed that the reaction is catalyzed by the heterogeneous Pd-BNP catalyst.

Computed Properties of C12H9NO. Bye, fridends, I hope you can learn more about C12H9NO, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

I found the field of Chemistry very interesting. Saw the article A Bifunctional Iron Nanocomposite Catalyst for Efficient Oxidation of Alkenes to Ketones and 1,2-Diketones published in 2020.0. Product Details of 91-02-1, Reprint Addresses Xiao, JL (corresponding author), Univ Liverpool, Dept Chem, Liverpool L69 7ZD, Merseyside, England.; Yang, Y (corresponding author), Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China.. The CAS is 91-02-1. Through research, I have a further understanding and discovery of Phenyl(pyridin-2-yl)methanone

We herein report the fabrication of a bifunctional iron nanocomposite catalyst, in which two catalytically active sites of Fe-N-x and Fe phosphate, as oxidation and Lewis acid sites, were simultaneously integrated into a hierarchical N,P-dual doped porous carbon. As a bifunctional catalyst, it exhibited high efficiency for direct oxidative cleavage of alkenes into ketones or their oxidation into 1,2-diketones with a broad substrate scope and high functional group tolerance using TBHP as the oxidant in water under mild reaction conditions. Furthermore, it could be easily recovered for successive recycling without appreciable loss of activity. Mechanistic studies disclose that the direct oxidation of alkenes proceeds via the formation of an epoxide as intermediate followed by either acid-catalyzed Meinwald rearrangement to give ketones with one carbon shorter or nucleophilic ring-opening to generate 1,2-diketones in a cascade manner. This study not only opens up a fancy pathway in the rational design of Fe-N-C catalysts but also offers a simple and efficient method for accessing industrially important ketones and 1,2-diketones from alkenes in a cost-effective and environmentally benign fashion.

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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

Authors Song, T; Ma, ZM; Ren, P; Yuan, YZ; Xiao, JL; Yang, Y in AMER CHEMICAL SOC published article about OXYGEN REDUCTION; ONE-POT; ASYMMETRIC EPOXIDATION; MOLECULAR-OXYGEN; ALLYLIC ALCOHOLS; NANOPARTICLES; PERFORMANCE; COMPLEXES; OLEFINS; ACIDS in [Xiao, Jianliang] Univ Liverpool, Dept Chem, Liverpool L69 7ZD, Merseyside, England; [Song, Tao; Ma, Zhiming; Ren, Peng; Yang, Yong] Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China; [Ma, Zhiming; Ren, Peng] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Yuan, Youzhu] Coll Chem & Chem Engn, Natl Engn Lab Green Chem Prod Alcohols Ethers Est, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China in 2020.0, Cited 74.0. Quality Control of Phenyl(pyridin-2-yl)methanone. The Name is Phenyl(pyridin-2-yl)methanone. Through research, I have a further understanding and discovery of 91-02-1

We herein report the fabrication of a bifunctional iron nanocomposite catalyst, in which two catalytically active sites of Fe-N-x and Fe phosphate, as oxidation and Lewis acid sites, were simultaneously integrated into a hierarchical N,P-dual doped porous carbon. As a bifunctional catalyst, it exhibited high efficiency for direct oxidative cleavage of alkenes into ketones or their oxidation into 1,2-diketones with a broad substrate scope and high functional group tolerance using TBHP as the oxidant in water under mild reaction conditions. Furthermore, it could be easily recovered for successive recycling without appreciable loss of activity. Mechanistic studies disclose that the direct oxidation of alkenes proceeds via the formation of an epoxide as intermediate followed by either acid-catalyzed Meinwald rearrangement to give ketones with one carbon shorter or nucleophilic ring-opening to generate 1,2-diketones in a cascade manner. This study not only opens up a fancy pathway in the rational design of Fe-N-C catalysts but also offers a simple and efficient method for accessing industrially important ketones and 1,2-diketones from alkenes in a cost-effective and environmentally benign fashion.

Quality Control of Phenyl(pyridin-2-yl)methanone. Welcome to talk about 91-02-1, If you have any questions, you can contact Song, T; Ma, ZM; Ren, P; Yuan, YZ; Xiao, JL; Yang, Y or send Email.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

I found the field of Chemistry very interesting. Saw the article Simultaneous enrichment and analysis of tobacco alkaloids by microextraction coupled with mass spectrometry using a poly (N-isopropyl-acrylamide-co-divinyl-benzene-co-N, N ‘-methylene diacrylamide) monolithic column published in 2019. Formula: C8H9NO2, Reprint Addresses Ding, CF (corresponding author), Ningbo Univ, Sch Mat Sci & Chem Engn, Inst Mass Spectrometry, Ningbo 315211, Zhejiang, Peoples R China.. The CAS is 614-18-6. Through research, I have a further understanding and discovery of Ethyl nicotinate

Herein, we realized the simultaneous online detection of six tobacco alkaloids (TM) by in-tube solid-phase microextraction (In-tube SPME) coupled with mass spectrometry by a rapid, sensitive, and matrix effect-free method requiring no chromatographic separation and only minimal sample pre-treatment. A poly (N-isopropylacrylamide-co-divinylbenzene-co-N, N’-methylenediacrylamide) [Poly (NIPAAm-co-DVB-co-MBAA)] monolithic column was designed according to the chemical structures of selected TM and used as an extraction medium engaging in hydrophobic, pi-pi, and hydrogen bonding interactions with analytes, allowing them to be effectively extracted. A number of important parameters were systematically optimized to achieve maximal extraction efficiency. The ion intensity of the TM signals obtained by in-tube SPME-MS were higher than the direct MS mode by about 400 folds with the signal-to-noise ratio improved by 2-7 folds. The detection limits of the six TM were determined as 1.99-4.06 ng g(-1), with good linearity with correlation coefficients exceeding 0.99 obtained under optimal extraction conditions. Besides, TA recoveries in cigarette tobacco spiked at three concentration levels were in the range of 76.4-100.2%, and the corresponding RSDs (n = 5) were obtained as 4.32-7.16%. The extraction performance of the poly (NIPAAm-co-DVB-co-MBAA) monolithic column was well reproducible, with intra- or inter-day precision RSDs determined not to exceed 7.38%. Finally, no marked matrix effects were observed when the developed method was applied to the analysis of both high-abundance and trace level TM in practical samples, and the above technique was therefore concluded to be well suited for the detection of TAs in cigarette tobacco or other products.

Formula: C8H9NO2. Welcome to talk about 614-18-6, If you have any questions, you can contact Wu, FL; Yang, ST; Wang, L; Wei, WH; Ding, CF or send Email.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

I found the field of Chemistry very interesting. Saw the article A simple coumarin based fluorescent On probe for the selective detection of Al3+ along with its application in live cell imaging via AGS cell line published in 2020.0. Product Details of 91-02-1, Reprint Addresses Mondal, TK (corresponding author), Jadavpur Univ, Dept Chem, Kolkata 700032, India.; Murmu, N (corresponding author), Chittaranjan Natl Canc Inst, Dept Signal Transduct & Biogenis Amines STBA, Kolkata 700026, India.. The CAS is 91-02-1. Through research, I have a further understanding and discovery of Phenyl(pyridin-2-yl)methanone

A new coumarin based fluorescent switch (HCBP) has been fabricated which displays high selective sensing towards Al3+ among other metal cations at physiological pH. On gradual addition of Al3+ specifically, HCBP shows a brilliant turn-on emission enhancement of about similar to 13-fold with about 50 nm red shift at 481 nm in MeOH/H2O (1/1, v/v) solution. The fluorescent switch is proven to be a reversible probe by addition of EDTA gradually into the HCBP-Al3+ solution. Detection limit as well as Binding constant values have been calculated and found to be in the order of 10(-9) M and 10(3) M-1 respectively. DFT and TDDFT studies are conducted with the probe to establish a similarity between theoretical and experimental outcomes. We can also use this new fluorescent switch as a biomarker kit as it has shown a brilliant potential in the application of live cell imaging using gastric cancer cell (AGS cell).

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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem