More research is needed about 98-97-5

Name: Pyrazine-2-carboxylic acid. Welcome to talk about 98-97-5, If you have any questions, you can contact Priyanka; Neelabh; Tiwari, N; Sharma, RK; Gupta, P; Misra, S; Misra-Bhattacharya, S; Butcher, RJ; Singh, K; Katiyar, D or send Email.

I found the field of Chemistry very interesting. Saw the article Synthesis, Structure Elucidation, Homology Modeling and Antifilarial Activity of 7-Benzamidocoumarin Derivatives published in 2019. Name: Pyrazine-2-carboxylic acid, Reprint Addresses Katiyar, D (corresponding author), Banaras Hindu Univ, Dept Chem, MMV, Varanasi 221005, Uttar Pradesh, India.. The CAS is 98-97-5. Through research, I have a further understanding and discovery of Pyrazine-2-carboxylic acid

A series of 7-benzamidocoumarin derivatives 10-25 starting from 7-amino coumarins 7 and 8 has been synthesized, characterized and evaluated in vitro for antifilarial activity against the human lymphatic filarial parasite, Brugia malayi. Compounds 13 and 20-23 showed permanent paralysis of the worm with 90-95% inhibition of motility of adult worms at 10 mu M. All the synthesized compounds were docked on the modeled receptor of Onchocerca volvulus chitinase OvCHT1. Compound 13 with binding energy of -7.95 Kcal/mol showing three hydrogen bonds with the active site of the enzyme emerged as the best inhibitor.

Name: Pyrazine-2-carboxylic acid. Welcome to talk about 98-97-5, If you have any questions, you can contact Priyanka; Neelabh; Tiwari, N; Sharma, RK; Gupta, P; Misra, S; Misra-Bhattacharya, S; Butcher, RJ; Singh, K; Katiyar, D or send Email.

Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem

Downstream Synthetic Route Of C5H4N2O2

SDS of cas: 98-97-5. Welcome to talk about 98-97-5, If you have any questions, you can contact Packiaraj, S; Kousalya, L; Pushpaveni, A; Poornima, S; Puschmann, H; Govindarajan, S or send Email.

SDS of cas: 98-97-5. Authors Packiaraj, S; Kousalya, L; Pushpaveni, A; Poornima, S; Puschmann, H; Govindarajan, S in SPRINGER published article about in [Packiaraj, S.] Sri Krishna Coll Engn & Technol, Sci & Humanities Chem, Coimbatore 641008, Tamil Nadu, India; [Packiaraj, S.; Pushpaveni, A.; Poornima, S.; Govindarajan, S.] Bharathiar Univ, Dept Chem, Coimbatore 641046, Tamil Nadu, India; [Kousalya, L.] Nirmala Coll Women, Dept Bot, Coimbatore 641018, Tamil Nadu, India; [Pushpaveni, A.] Kongunadu Arts & Sci Coll, Dept Chem, Coimbatore 641029, Tamil Nadu, India; [Puschmann, H.] Univ Durham, Dept Chem, South Rd, Durham DH1 3LE, England in 2021, Cited 43. The Name is Pyrazine-2-carboxylic acid. Through research, I have a further understanding and discovery of 98-97-5

In general, molecules with certain functional groups such as amine (-NH2) and carboxyl (-COOH) can promote the growth of co-crystals leading to the formation of supramolecular networks. However, if the differences in the pKa values of the two molecules are large [pKa (base)-pKa (acid)], salts can result instead of ‘real’ co-crystals. Here, we report the formation of such salt by letting pyrazine-2-carboxylic acid (pKa = 2.9) crystallize together with aminoguanidine (pKa = 11.5; high Delta pka = 8.6) a nitrogen-rich organic base. The title salt has been prepared by slow evaporation of an equimolar ratio of guanylhydrazine bicarbonate (i.e., aminoguanidine bicarbonate (AgunH.HCO3)) and pyrazine-2-carboxylic acid (Pymca) in aqueous medium. The salt was characterized by IR spectroscopy, powder and single-crystal X-ray diffraction techniques. This material shows enhanced antioxidant activity and this is due to the crucial role of hydrazinic moiety in the aminoguanidinium salt.

SDS of cas: 98-97-5. Welcome to talk about 98-97-5, If you have any questions, you can contact Packiaraj, S; Kousalya, L; Pushpaveni, A; Poornima, S; Puschmann, H; Govindarajan, S or send Email.

Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem

Interesting scientific research on Pyrazine-2-carboxylic acid

Bye, fridends, I hope you can learn more about C5H4N2O2, If you have any questions, you can browse other blog as well. See you lster.. Name: Pyrazine-2-carboxylic acid

Authors Reddyrajula, R; Dalimba, U in PERGAMON-ELSEVIER SCIENCE LTD published article about ANTI-TUBERCULAR ACTIVITY; DESIGN; HYBRIDS; 1,2,3-TRIAZOLE; HYBRIDIZATION; ANTIMYCOBACTERIAL; DIARYLQUINOLINE in [Reddyrajula, Rajkumar; Dalimba, Udayakumar] Natl Inst Technol Karnataka, Dept Chem, Organ Chem Lab, Mangalore 575025, India in 2020, Cited 38. Name: Pyrazine-2-carboxylic acid. The Name is Pyrazine-2-carboxylic acid. Through research, I have a further understanding and discovery of 98-97-5

Tuberculosis remains as a major public health risk which causes the highest mortality rate globally and an improved regimen is required to treat the drug-resistant strains. Pyrazinamide is a first-line antitubercular drug used in combination therapy with other anti-TB drugs. Herein, we describe the modification of pyrazinamide structure using bioisosterism and rational approaches by incorporating the 1,2,3-triazole moiety. Three sets of pyrazine-1,2,3-triazoles (3a-o, 5a-o and 9a-l) are designed, synthesized and evaluated for their in vitro inhibitory potency against mycobacterium tuberculosis H(37)Rv. The pyrazine-1,2,3-triazoles synthesized through the bioisosteric modification displayed improved activity as compared to rationally modified pyrazine-1,2,3-triazoles. Among 42 title compounds, seven derivatives demonstrated significant anti-tubercular activity with the MIC of 1.56 mu g/mL, which are two-fold more potent than the parent compound pyrazinamide. Further, the synthesized pyrazinamide analogs demonstrated moderate inhibition activity against several bacterial strains and possessed an acceptable in vitro cytotoxicity profile as well. Additionally, the activity profile of pyrazine-1,2,3-triazoles was validated by performing the molecular docking studies against the Inh A enzyme. Furthermore, in silico ADME prediction revealed good oral bioavailability for the potent molecules.

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Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem

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Welcome to talk about 98-97-5, If you have any questions, you can contact Kelesoglu, A; Sigircik, G; Yildiz, R; Dehri, I or send Email.. Formula: C5H4N2O2

Recently I am researching about CORROSION-INHIBITORS; HYDROCHLORIC-ACID; CARBON-STEEL; BENZIMIDAZOLE DERIVATIVES; SCHIFF-BASES; PART II; ADSORPTION; BEHAVIOR; IODIDE; THIOSEMICARBAZONE, Saw an article supported by the Cukurova University Scientific Research Projects Coordination UnitCukurova University [FDK-2017-9860]; Mardin Artuklu UniversityMardin Artuklu University. Published in TAYLOR & FRANCIS LTD in ABINGDON ,Authors: Kelesoglu, A; Sigircik, G; Yildiz, R; Dehri, I. The CAS is 98-97-5. Through research, I have a further understanding and discovery of Pyrazine-2-carboxylic acid. Formula: C5H4N2O2

Pyrazinecarboxylic acid (PCA) was examined as a potential corrosion inhibitor for mild steel (MS) in 0.5 M HCl environment. The methods of electrochemical impedance spectroscopy (EIS), linear polarization resistance (LPR), as well potentiodynamic (PD) polarization were utilized. Furthermore, atomic force microscopy (AFM) and quantum chemical calculations were utilized. PD polarization curves demonstrated that PCA exhibited mixed inhibitor behavior. Scanning electron microscopy (SEM) offered the creation of an adsorptive layer on the surface of MS which prevented the steel against corrosive specimens. Furthermore, density functional theory (DFT) presented good agreement with electrochemical experimental results. The adsorption equilibrium constant (k(ads)) value was calculated to be 3.704 x 10(4) M-1 which was related to a high proportion of inhibitor on the surface. In the presence of 1.0 mM PCA, inhibition efficiency was determined as 95.2% from EIS results.

Welcome to talk about 98-97-5, If you have any questions, you can contact Kelesoglu, A; Sigircik, G; Yildiz, R; Dehri, I or send Email.. Formula: C5H4N2O2

Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem

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Quality Control of Pyrazine-2-carboxylic acid. Bye, fridends, I hope you can learn more about C5H4N2O2, If you have any questions, you can browse other blog as well. See you lster.

Quality Control of Pyrazine-2-carboxylic acid. Dong, XW; Zhang, JK; Xu, L; Che, JX; Cheng, G; Hu, XB; Sheng, L; Gao, AH; Li, J; Liu, T; Hu, YZ; Zhou, YB in [Dong, Xiao-Wu; Zhang, Jian-Kang; Che, Jin-Xin; Liu, Tao; Hu, Yong-Zhou] Zhejiang Univ, ZJU ENS Joint Lab Med Chem, Zhejiang Prov Key Lab Anticanc Drug Res, Hangzhou Inst Innovat Med,Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China; [Xu, Lei; Hu, Xiao-Bei; Sheng, Li; Gao, An-Hui; Li, Jia; Liu, Tao; Zhou, Yu-Bo] Chinese Acad Sci, Shanghai Inst Mat Med, State Key Lab Drug Res, Natl Ctr Drug Screening, Shanghai 201203, Peoples R China; [Xu, Lei; Hu, Xiao-Bei; Sheng, Li; Gao, An-Hui; Li, Jia; Zhou, Yu-Bo] Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China; [Zhang, Jian-Kang] Zhejiang Univ City Coll, Sch Med, Hangzhou 310015, Zhejiang, Peoples R China; [Cheng, Gang] Zhejiang Chinese Med Univ, Coll Pharmaceut Sci, Hangzhou 311402, Zhejiang, Peoples R China published Covalent docking modelling-based discovery of tripeptidyl epoxyketone proteasome inhibitors composed of aliphatic-heterocycles in 2019, Cited 33. The Name is Pyrazine-2-carboxylic acid. Through research, I have a further understanding and discovery of 98-97-5.

The potential of specific proteasome inhibitors to act as anti-cancer agents has attracted intensive investigations. The proteasome can be covalently inhibited by epoxyketone derivatives via a two-step reaction. Several computational approaches have been developed to mimic the covalent binding event. Compound 1 composed of a six-membered heterocyclic ring was designed by using covalent docking. With a possible different binding mode from the clinical compound Carfilzomib, it occupied the 55 pocket of 20S proteasome and showed favorable inhibitory activity. Subsequently optimization and evaluation were taken place. Among these compounds, 11h demonstrated extraordinary in vitro inhibitory activity and selectivity, and good in vivo proteasome inhibitory activity, a favorable pharmacokinetic profile and xenograft tumor inhibition. The possible binding pattern of compound 11h against proteasome was further fully explored via calculations, providing a theoretical basis for finding potent proteasome inhibitors. (C) 2018 Elsevier Masson SAS. All rights reserved.

Quality Control of Pyrazine-2-carboxylic acid. Bye, fridends, I hope you can learn more about C5H4N2O2, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem

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Authors Srinivasarao, S; Nandikolla, A; Suresh, A; Van Calster, K; De Voogt, L; Cappoen, D; Ghosh, B; Aggarwal, H; Murugesan, S; Sekhar, KVGC in ROYAL SOC CHEMISTRY published article about MYCOBACTERIUM-TUBERCULOSIS; ANTIMYCOBACTERIAL EVALUATION; IN-VITRO; DOCKING; ANALOGS in [Srinivasarao, Singireddi; Nandikolla, Adinarayana; Suresh, Amaroju; Aggarwal, Himanshu; Sekhar, Kondapalli Venkata Gowri Chandra] Birla Inst Technol & Sci, Dept Chem, Hyderabad Campus, Hyderabad 500078, Telangana, India; [Calster, Kevin Van; De Voogt, Linda; Cappoen, Davie] Univ Ghent, Fac Biosci Engn, Dept Green Chem & Technol, Coupure Links 653, B-9000 Ghent, Belgium; [Ghosh, Balaram] Birla Inst Technol & Sci, Dept Pharm, Hyderabad Campus, Hyderabad 500078, Telangana, India; [Murugesan, Sankaranarayanan] Birla Inst Technol & Sci, Dept Pharm, Med Chem Res Lab, Pilani 333031, Rajasthan, India in 2020, Cited 34. Recommanded Product: Pyrazine-2-carboxylic acid. The Name is Pyrazine-2-carboxylic acid. Through research, I have a further understanding and discovery of 98-97-5

Pyrazinamide is an important first-line drug used in shortening TB therapy. In our current work, a series of novel substituted-N-(6-(4-(pyrazine-2-carbonyl)piperazine/homopiperazine-1-yl)pyridin-3-yl)benzamide derivatives were designed, synthesized, and evaluated for their anti-tubercular activity against Mycobacterium tuberculosis H37Ra. Among the tested compounds, five compounds (6a, 6e, 6h, 6j and 6k) from Series-I and one compound (7e) from Series-II exhibited significant activity against Mycobacterium tuberculosis H37Ra with 50% inhibitory concentrations (IC50) ranging from 1.35 to 2.18 mu M. To evaluate the efficacy of these compounds, we examined their IC90 values. Five of the most active compounds were found to be more active with IC(90)s ranging from 3.73 to 4.00 mu M and one compound (6e) showed an IC90 of 40.32 mu M. Moreover, single crystals were developed for 6d, 6f and 6n. In addition, most active compounds were evaluated for their cytotoxicity on HEK-293 (human embryonic kidney) cells. Our results indicate that the compounds are nontoxic to human cells. The molecular interactions of the derivatised conjugates in docking studies reveal their suitability for further development.

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Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem

What about chemistry interests you the most Pyrazine-2-carboxylic acid

Formula: C5H4N2O2. Welcome to talk about 98-97-5, If you have any questions, you can contact Florentini, EA; Angulo, N; Gilman, RH; Alcantara, R; Roncal, E; Antiparra, R; Toscano, E; Vallejos, K; Kirwan, D; Zimic, M; Sheen, P or send Email.

An article Immunological detection of pyrazine-2-carboxylic acid for the detection of pyrazinamide resistance in Mycobacterium tuberculosis WOS:000591376200062 published article about SUSCEPTIBILITY; IMMUNOASSAY in [Florentini, Edgar A.; Angulo, Noelia; Alcantara, Roberto; Roncal, Elisa; Antiparra, Ricardo; Toscano, Emily; Vallejos, Katherine; Kirwan, Danni; Zimic, Mirko; Sheen, Patricia] Univ Peruana Cayetano Heredia, Fac Ciencias & Filosofia, Lab Invest & Desarrollo, Lab Bioinformat & Biol Mol, Lima, Peru; [Gilman, Robert H.] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Int Hlth, Baltimore, MD USA in 2020, Cited 28. Formula: C5H4N2O2. The Name is Pyrazine-2-carboxylic acid. Through research, I have a further understanding and discovery of 98-97-5

Pyrazinamide (PZA) susceptibility testing in Mycobacterium tuberculosis (Mtb) is a current area of development and PZA-resistant strains are increasingly prevalent. Previous studies have demonstrated that the detection of pyrazinoic acid (POA), the metabolite produced by the deamidation of PZA, is a good predictor for PZA resistance since a resistant strain would not convert PZA into POA at a critical required rate, whereas a susceptible strain will do, expelling POA to the extracellular environment at a certain rate, and allowing for quantification of this accumulated analyte. In order to quantify POA, an indirect competitive ELISA (icELISA) test using hyperimmune polyclonal rabbit serum against POA was developed: for this purpose, pure POA was first covalently linked to the highly immunogenic Keyhole Limpet Hemocyanine, and inoculated in rabbits. A construct made of bovine serum albumin (BSA) linked to pure POA and fixed at the bottom of wells was used as a competitor against spiked samples and liquid Mtb culture supernatants. When spiked samples (commercial POA alone) were analyzed, the half maximal inhibitory concentration (IC50) was 1.16 mg/mL, the limit of detection 200 mu g/mL and the assay was specific (it did not detect PZA, IC50 > 20 mg/mL). However, culture supernatants (7H9-OADC-PANTA medium) disrupted the competition and a proper icELISA curve was not obtainable. We consider that, although we have shown that it is feasible to induce antibodies against POA, matrix effects could damage its analytical usefulness; multiple, upcoming ways to solve this obstacle are suggested.

Formula: C5H4N2O2. Welcome to talk about 98-97-5, If you have any questions, you can contact Florentini, EA; Angulo, N; Gilman, RH; Alcantara, R; Roncal, E; Antiparra, R; Toscano, E; Vallejos, K; Kirwan, D; Zimic, M; Sheen, P or send Email.

Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem

More research is needed about 98-97-5

Welcome to talk about 98-97-5, If you have any questions, you can contact Lei, M; Zhang, HY; Miao, H; Du, X; Zhou, H; Wang, J; Wang, XY; Feng, HY; Shi, JM; Liu, ZG; Shen, J; Zhu, YQ or send Email.. HPLC of Formula: C5H4N2O2

Authors Lei, M; Zhang, HY; Miao, H; Du, X; Zhou, H; Wang, J; Wang, XY; Feng, HY; Shi, JM; Liu, ZG; Shen, J; Zhu, YQ in PERGAMON-ELSEVIER SCIENCE LTD published article about CARFILZOMIB; DESIGN in [Lei, Meng; Miao, Hang; Feng, Huayun] Nanjing Forestry Univ, Coll Sci, 159 Longpan Rd, Nanjing 210037, Jiangsu, Peoples R China; [Zhang, Haoyang; Du, Xiao; Zhou, Hui; Wang, Xueyuan; Zhu, Yongqiang] Nanjing Normal Univ, Coll Life Sci, 1 Wenyuan Rd, Nanjing 210046, Jiangsu, Peoples R China; [Wang, Jia; Shi, Jingmiao; Liu, Zhaogang; Zhu, Yongqiang] Jiangsu Chia Tai Fenghai Pharmaceut Co Ltd, 9 Weidi Rd, Nanjing 210046, Jiangsu, Peoples R China; [Shen, Jian] Nanjing Normal Univ, Coll Chem & Mat Sci, 1 Wenyuan Rd, Nanjing 210046, Jiangsu, Peoples R China in 2019, Cited 21. HPLC of Formula: C5H4N2O2. The Name is Pyrazine-2-carboxylic acid. Through research, I have a further understanding and discovery of 98-97-5

A series of novel tetrapeptidyl epoxyketone inhibitors of 20S proteasome was designed and synthesized. To fully understand the SAR, various groups at R-1, R-2, R-3, R-4 and R-5 positions, including aromatic and aliphatic substituents were designed, synthesized and biologically assayed. Based on the enzymatic results, seven compounds were selected to evaluate their cellular activities and soluble compound 36 showed strong potency against human multiple myeloma (MM) cell lines. Microsomal stability results indicated that compound 36 was more stable in mice, rat and human microsomes than marketed carfilzomib. The in vivo activities of this compound were evaluated with the xenograft mice models of MM cell lines ARH77 and RPMI-8226 with luciferase expression and the T/C value of the two models were 49.5% and 37.6%, respectively. To evaluate the potential cardiovascular toxicity, inhibition of hERG ion channel in HEK293 cells by compound 36 and carfilzomib was carried out. The results indicated that 36 had no binding affinity for the hERG ion channel while carfilzomib could bind it with IC50, of 92.1 mu M.

Welcome to talk about 98-97-5, If you have any questions, you can contact Lei, M; Zhang, HY; Miao, H; Du, X; Zhou, H; Wang, J; Wang, XY; Feng, HY; Shi, JM; Liu, ZG; Shen, J; Zhu, YQ or send Email.. HPLC of Formula: C5H4N2O2

Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem

What kind of challenge would you like to see in a future of compound:Pyrazine-2-carboxylic acid

Product Details of 98-97-5. Welcome to talk about 98-97-5, If you have any questions, you can contact Cati, DS; Stoeckli-Evans, H or send Email.

I found the field of Crystallography very interesting. Saw the article The crystal structures of the ligand N-(quinolin-8-yl) pyrazine-2-carboxamide and of a tetranuclear copper(II) complex published in 2019. Product Details of 98-97-5, Reprint Addresses Stoeckli-Evans, H (corresponding author), Univ Neuchatel, Inst Phys, Rue Emile Argand 11, CH-2000 Neuchatel, Switzerland.. The CAS is 98-97-5. Through research, I have a further understanding and discovery of Pyrazine-2-carboxylic acid

The title tridentate ligand, C14H10N4O, N-(quinolin-8-yl) pyrazine-2-carboxamide (HL1), crystallizes with three independent molecules (A, B and C) in the asymmetric unit. All three molecules are relatively planar (r.m.s. deviations are 0.068, 0.055 and 0.06 angstrom, respectively), with the NH H atom forming three-centered (bifurcated) intramolecular N-H center dot center dot center dot N hydrogen bonds in each molecule. There is also an intramolecular C-H center dot center dot center dot O contact present in each molecule, involving the benzene ring of the quinoline unit and the amide carboxamide O atom. In the crystal, the three molecules stack in columns with the various molecules being linked by offset pi-pi interactions [intercentroid distances vary from 3.367 (5) to 3.589 (5) angstrom], forming layers parallel to the ab plane. The title complex, [Cu-4(C42H44N8O16)]center dot 2CH(3)OH, {hexa-mu-acetato-1: 2 kappa O-2:O’;2:3 kappa O-8:O’;3:4 kappa O-2:O’-dimethanol-1 kappa O, 2 kappa O-bis[N-(quinolin-8-yl) pyrazine-2-carboxamide]-1 kappa N-3, N’, N ”; 4 kappa(3) N, N’, N ”-tetracopper(II) methanol disolvate} (I), was obtained by the reaction of HL1 with Cu(CH3CO2)(2). It consists of a tetranuclear complex with a central tetrakis(mu-acetato) dicopper paddle-wheel moiety linked on either side via bridging acetato ions to a mononuclear copper(II)-(L1) complex; it crystallizes as a methanol disolvate. The complex possesses inversion symmetry, being located about a center of symmetry situated at the mid-point of the Cu center dot center dot center dot Cu bond of the paddle-wheel moiety. In the crystal, the complex molecules are linked by O-H center dot center dot center dot O hydrogen bonds, forming chains along the [01 (1) over bar] direction, which are linked by offset pi-pi interactions [intercentroid distance = 3.7367 (11) angstrom] and C-H center dot center dot center dot O hydrogen bonds, leading to the formation of a supramolecular framework.

Product Details of 98-97-5. Welcome to talk about 98-97-5, If you have any questions, you can contact Cati, DS; Stoeckli-Evans, H or send Email.

Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem

When did you first realize you had a special interest and talent inPyrazine-2-carboxylic acid

Recommanded Product: Pyrazine-2-carboxylic acid. Welcome to talk about 98-97-5, If you have any questions, you can contact Omondi, RO; Sibuyi, NRS; Fadaka, AO; Meyer, M; Jaganyi, D; Ojwach, SO or send Email.

I found the field of Chemistry very interesting. Saw the article Role of pi-conjugation on the coordination behaviour, substitution kinetics, DNA/BSA interactions, and in vitro cytotoxicity of carboxamide palladium(II) complexes published in 2021. Recommanded Product: Pyrazine-2-carboxylic acid, Reprint Addresses Ojwach, SO (corresponding author), Univ KwaZulu Natal, Sch Chem & Phys, Private Bag X01, ZA-3209 Pietermaritzburg, South Africa.. The CAS is 98-97-5. Through research, I have a further understanding and discovery of Pyrazine-2-carboxylic acid

Treatments of N-(pyridin-2-ylmethyl)pyrazine-2-carboxamide (L-1), N-(quinolin-8-yl)pyrazine-2-carboxamide (L-2), N-(quinolin-8-yl)picolinamide (L-3) and N-(quinolin-8-yl)quinoline-2-carboxamide (L-4) with [PdCl2(NCMe)](2) afforded the corresponding Pd(ii) complexes, [Pd(L-1)Cl] (PdL1); [Pd(L-2)Cl] (PdL2); [Pd(L-3)Cl] (PdL3); and [Pd(L-4)Cl] (PdL4) in moderate yields. Structural characterisation of the compounds was achieved by NMR and FT-IR spectroscopies, elemental analyses and single crystal X-ray crystallography. The solid-state structures of complexes PdL2-PdL4 established the presence of one tridentate carboxamide and Cl ligands around the Pd(ii) coordination sphere, to give distorted square planar complexes. Electrochemical investigations of PdL1-PdL4 showed irreversible one-electron oxidation reactions. Kinetics reactivity of the complexes towards bio-molecules, thiourea (Tu), l-methionine (L-Met) and guanosine 5 ‘-diphosphate disodium salt (5 ‘-GMP) decreased in the order: PdL1 > PdL2 > PdL3 > PdL4, in tandem with the density functional theory (DFT) data. The complexes bind favourably to calf thymus (CT-DNA), and bovine serum albumin (BSA), and the order of their interactions agrees with the substitution kinetics trends. The in vitro cytotoxic activities of PdL1-PdL4 were examined in cancer cell lines A549, PC-3, HT-29, Caco-2, and HeLa, and a normal cell line, KMST-6. Overall, PdL1 and PdL3 displayed potent cytotoxic effects on A549, PC-3 HT-29 and Caco-2 comparable to cisplatin. All the investigated complexes exhibited lower toxicity on normal cells than cisplatin.

Recommanded Product: Pyrazine-2-carboxylic acid. Welcome to talk about 98-97-5, If you have any questions, you can contact Omondi, RO; Sibuyi, NRS; Fadaka, AO; Meyer, M; Jaganyi, D; Ojwach, SO or send Email.

Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem