Tag: M.W:200-300

In an article, author is Magyari, Jozef, once mentioned the application of 1149-26-4, Safety of Z-L-Val-OH, Name is Z-L-Val-OH, molecular formula is C13H17NO4, molecular weight is 251.28, MDL number is MFCD00008922, category is phthalazine. Now introduce a scientific discovery about this category.

New coordination compounds have been synthesized by reacting Zn(II) and Co(II) nitrate or acetate in the presence of triethylamine with Schiff-base ligands containing diazine-ring, pyridine-2-carbaldehyde phthalazine-1-hydrazone,HzPYH, and di(2-pyridyl)ketone 3-chloro-pyridazine-6-hydrazone,HpDPKH. Complexes of[Co(HzPY)(2)]center dot 3.4H(2)O,[Zn(HzPY)(2)]and[Co(HpDPK)(2)]NO3 center dot H(2)Owere obtained. The crystal and the molecular structure of[Co(HzPY)(2)]center dot 3.4H(2)Owere determined using X-ray diffraction structure analysis. The compounds were characterized by elemental analysis, FT-IR and UV-Vis spectral data, conductivity and magnetic measurements, too. Except for the diamagnetic Co(III) compound with a nitrate counter-ion,[Co(HpDPK)(2)]NO3 center dot H2O, all the complexes are neutral-type. The magnetic moment of[Co(HzPY)(2)]center dot 3.4H(2)Oindicated a low-spin octahedral complex which is relatively rear amongst octahedral Co(II) complexes. Hence, its magnetic moment was measured in the temperature range of 3-300 K. To obtain products in the form of single crystals and/or to increase the yield, the reactions were carried out in solutions with different solvents or recrystallized from solvent mixtures. To determine the nature of the solvent (if any) in the crystalline products and to gain better insight into the decomposition mechanism, coupled TG-MS measurements were carried out. The desolvated compounds were stable at relatively high temperatures (> 200 degrees C). The cytotoxic, antiproliferative and efflux pump inhibitory effects of the compounds were tested in multidrug-resistant mouse T-lymphoma cells to study their effect on the suppression of MDR. The antibacterial activity of the compounds was also tested. The results of the antibacterial tests were analysed to understand better the effect of the central atoms and the structure on a specific activity.

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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Chemistry, like all the natural sciences, Product Details of 23981-47-7, begins with the direct observation of nature— in this case, of matter.23981-47-7, Name is 2-(6-Methoxynaphthalen-2-yl)acetic acid, SMILES is O=C(O)CC1=CC=C2C=C(OC)C=CC2=C1, belongs to phthalazine compound. In a document, author is Mohammad, Faruq, introduce the new discover.

In this, we performed a four component domino reaction of phthaloyl dichloride, hydrazine hydrate, indole-3-carboxaldehydes and malononitrile/ethyl cyanoacetate to form 1-(1H-indol-2-yl)-1H-pyrazolo[1,2-b]phthalazine-5,10-dione derivatives by in situ generation of HCl as catalyst in refluxing ethanol for 1 h in good yields. This four component domino reaction transformation presumably proceeds via addition/dehydrohalogenation/condensation/cyclization of reactions. The material was thoroughly characterized at various stages of its formation by means of FTIR, NMR spectroscopic and Mass spectrometric analysis and is confirmed to be the derivative of 1-(1H-indo1-2-yl)-1H-pyrazolo [1,2-b]phthalazine-5,10-dione.

Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions. you can also check out more blogs about 23981-47-7. Product Details of 23981-47-7.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 201611-92-9, Name is 4-Cyano-4-((phenylcarbonothioyl)thio)pentanoic acid, SMILES is CC(SC(C1=CC=CC=C1)=S)(C#N)CCC(O)=O, in an article , author is Chate, Asha V., once mentioned of 201611-92-9, HPLC of Formula: https://www.ambeed.com/products/201611-92-9.html.

An efficient and green method has been developed for the synthesis of 2H-indazolo[2,1-b]phthalazinetriones derivatives by employing 15 mol% beta-cyclodextrinvia a one-pot multicomponent reaction of aldehyde, dimedone, hydrazine hydrate with succinic anhydrideiphthalic anhydride in water at 80 degrees C for first time. The catalyst could be recovered and reused for four consecutive cycles without appreciable loss in catalytic activity and evaluated for in vitro antimicrobial activity against different Gram-positive and Gram-negative bacterial strains. The outcome of the screening study showed that compound 6d, 6f and 7n exhibited excellent activity against E. coil. Whereas, compound 6f and 6 h exhibited excellent activity against P. aeurginosa, and compound 6c, and 6e displayed again excellent activity against Staphylococcus aureus whereas compound 7o shows excellent activity against S. aureus and B. subtilis when compared with Ampicillin (standard control). The results indicated that maximum compounds are moderately effective against bacterial growth and their effectiveness is highest against standard drugs. (C) 2017 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.

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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 7524-50-7, Name is H-Phe-OMe.HCl, SMILES is N[C@@H](CC1=CC=CC=C1)C(OC)=O.[H]Cl, in an article , author is Reddy, Y. Dathu, once mentioned of 7524-50-7, Product Details of 7524-50-7.

Facile, efficient, four-component domino reaction of dialkylphthalates, hydrazine hydrate, indole-3-carboxaldehydes, and malononitrile/ethyl cyanoacetate leads to the formation of 1-(1H-indol-2-yl)-1H-pyrazolo [1,2-b] phthalazine-5,10-diones in the presence of InCl3 as catalyst in refluxing ethanol for 1 h in good yields. This four-component domino reaction transformation presumably proceeds via sequential addition, dehydration, condensation, and cyclization steps.

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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 2128-93-0, Name is 4-Benzoylbiphenyl, molecular formula is C19H14O. In an article, author is Popov, L. D.,once mentioned of 2128-93-0, Quality Control of 4-Benzoylbiphenyl.

Structure of copper(II) chelates based on glyoxylic hetarylhydrazones containing benzazole (quinoxaline and phthalazine) fragments have been studied by EPR spectroscopy. Spectral parameters in polycrystalline state and dimethylformamide solutions have been determined. Spectral parameters of benzimidazole derivative are typical for square planar structure of the chelate node, while phthalazine derivative displays formation of polymeric structures due to reduction of copper(II) atom.

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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, HPLC of Formula: https://www.ambeed.com/products/1008-72-6.html1008-72-6, Name is Sodium 2-formylbenzenesulfonate, SMILES is O=S(C1=CC=CC=C1C=O)([O-])=O.[Na+], belongs to phthalazine compound. In a article, author is Magyari, Jozsef, introduce new discover of the category.

Two new zinc(II) coordination compounds have been synthesized by the reaction of diazine-ring containing Schiff bases di(2-pyridyl) ketone phthalazine-1-hydrazone (HzDPK) and di(2-pyridyl) ketone 3-chloropyridazine-6-hydrazone (HpDPK) with zinc(II) salts in acetonitrile in the presence of triethylamine. The crystal and molecular structures of the complexes and that of the ligand HpDPK were determined by single-crystal X-ray structure analysis. In both complexes, zinc atoms are situated in distorted octahedral environments, formed by two meridionally coordinated NNN tridentate, mono-deprotonated ligands. Since the applicability of the coordination compounds depends on their thermal properties, the thermal decomposition of the ligands and their complexes was followed by simultaneous TG-DSC measurements. The desolvation process of the complexes is rather slow as a consequence of a restricted diffusion through the lattice and finishes similar to 200 A degrees C. The desolvated compounds are stable up to 340 A degrees C. In order to follow the solvent evaporation and to have a better insight into the decomposition mechanism of the compounds coupled TG-MS measurements were carried out.

Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions. you can also check out more blogs about 1008-72-6. HPLC of Formula: https://www.ambeed.com/products/1008-72-6.html.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Electric Literature of 622-95-7, As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 622-95-7, Name is 1-(Bromomethyl)-4-chlorobenzene, SMILES is ClC1=CC=C(CBr)C=C1, belongs to phthalazine compound. In a article, author is Hamidinasab, Mahdia, introduce new discover of the category.

One-pot pseudo five-component synthesis of some new, vital and pharmaceutically important bis 1H-Indazolo [1,2-b]phthalazine-triones has been considered in presence of prepared NiFe2O4@TiO2-DEA-OSO3H nanostructure as an efficient magnetic nanocatalyst. The synthesized compounds can be good candidates to have diverse biological potency and efficacy. The geometry, electronic structure, natural bond orbitals (NBO) and molecular electrostatic potential (MEP) surface analysis were carried out for some bis 1H-Indazolo [1,2-b]phthalazine-triones using HF/3-21G computational method. The theoretical studies revealed the existense of intramoleculare hydrogen bonds and high HOMO-LUMO energy gap for the products structures. Some advantages of this protocol are high yields, short reaction times, simple purification, and environmentally mild reaction conditions. Furthermore, the catalyst was reused at least six times without substantial loss of catalytic activity. (C) 2019 Elsevier B.V. All rights reserved.

Electric Literature of 622-95-7, Because enzymes can increase reaction rates by enormous factors and tend to be very specific, typically producing only a single product in quantitative yield, they are the focus of active research.you can also check out more blogs about 622-95-7.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 608141-42-0, Name is (S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethanamine, SMILES is O=S(C[C@@H](N)C1=CC=C(OC)C(OCC)=C1)(C)=O, belongs to phthalazine compound. In a document, author is Im, Jeong Kyun, introduce the new discover, SDS of cas: 608141-42-0.

A rarely explored oxidative ring contraction of electron-rich 1,2-diazine is described. Upon treatment with an electrophilic chlorinating reagent (TCICA), 1,4-dimethoxyphthalazines undergo an N-chlorination-induced ring contraction that is accompanied by the loss of one nitrogen atom. The scope of this unusual reactivity was examined with a range of 1,4-dimethoxyphthalazine derivatives. In addition, a mechanism proceeding via a bicyclic species was proposed on the basis of an isolated reaction intermediate and DFT calculations. (C) 2020 Elsevier Ltd. All rights reserved.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 608141-42-0 is helpful to your research. SDS of cas: 608141-42-0.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Application of 102089-74-7, The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 102089-74-7, Name is Boc-D-Phenylglycinol, SMILES is [C@@H](NC(OC(C)(C)C)=O)(C1=CC=CC=C1)CO, belongs to phthalazine compound. In a article, author is Hong, Longcheng, introduce new discover of the category.

We report an air-stable bisboron complex as an efficient catalyst for the inverse electron-demand Diels-Alder (IEDDA) reaction of 1,2-diazine as well as 1,2,4,5-tetrazine. Its stability towards air and moisture was demonstrated by NMR studies enabling its application in organic transformations without glovebox. A one-pot procedure for its synthesis was developed starting from 1,2-bis(trimethylsilyl) benzene greatly enhancing its practicality. Comparative reactions were carried out to evaluate its catalytic activity in IEDDA reactions of diazine including phthalazine as well as 1,2,4,5-tetrazine.

Application of 102089-74-7, Consequently, the presence of a catalyst will permit a system to reach equilibrium more quickly, but it has no effect on the position of the equilibrium as reflected in the value of its equilibrium constant.I hope my blog about 102089-74-7 is helpful to your research.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 622-95-7, Name is 1-(Bromomethyl)-4-chlorobenzene, SMILES is ClC1=CC=C(CBr)C=C1, belongs to phthalazine compound. In a document, author is Elmeligie, Salwa, introduce the new discover, SDS of cas: 622-95-7.

In the designed compounds, either a biarylamide or biarylurea moiety or an N-substituted piperazine motif was linked to position 1 of the phthalazine core. The anti-proliferative activity of the synthesised compounds revealed that eight compounds (6b, 6e, 7b, 13a, 13c, 16a, 16d and 17a) exhibited excellent broad spectrum cytotoxic activity in NCI 5-log dose assays against the full 60 cell panel with GI(50) values ranging from 0.15 to 8.41 mu M. Moreover, the enzymatic assessment of the synthesised compounds against VEGFR-2 tyrosine kinase showed the significant inhibitory activities of the biarylureas (12b, 12c and 13c) with IC(50)s of 4.4, 2.7 and 2.5 mu M, respectively, and with 79.83, 72.58 and 71.6% inhibition of HUVEC at 10 mu M, respectively. Additionally, compounds (7b, 13c and 16a) were found to induce cell cycle arrest at S phase boundary. Compound 7b triggered a concurrent increase in cleaved caspase-3 expression level, indicating the apoptotic-induced cell death.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 622-95-7 is helpful to your research. SDS of cas: 622-95-7.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem