Tag: M.W:300-400

Reference of 1439-36-7, 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. 1439-36-7, Name is 1-(Triphenylphosphoranylidene)propan-2-one, SMILES is CC(C=P(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3)=O, belongs to phthalazine compound. In a article, author is Shi, Xin, introduce new discover of the category.

A Green Synthesis of Highly Functionalized 3-amino-2-phenylsulfonyl-1-alkyl/aryl-1H-pyrazolo[1,2-b]phthalazine-5,10-diones and Their Reduction and Photophysical Studies

3-Amino-2-benzenesulfonyl-1-alkyl/aryl-1H-pyrazolo[1,2-b]phthalazine-5,10-dione derivatives were synthesized by the one-pot, three-component condensation of phthalhydrazide, aldehydes, and (phenylsulfonyl)acetonitrile in EtOH using 2-hydroxyethylammonium acetate as catalyst. The advantages of this method include environmental friendliness, easy work-up, and excellent yields. The reduction of some products and photophysical properties were also investigated.

Reference of 1439-36-7, Each elementary reaction can be described in terms of its molecularity, the number of molecules that collide in that step. The slowest step in a reaction mechanism is the rate-determining step.you can also check out more blogs about 1439-36-7.

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

Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 35661-39-3, Name is Fmoc-Ala-OH, molecular formula is C18H17NO4, belongs to phthalazine compound, is a common compound. In a patnet, author is Shirini, Farhad, once mentioned the new application about 35661-39-3, Computed Properties of C18H17NO4.

Synthesis of 2H-indazolo[2,1-b]phthalazine-1,6,11(13H)-triones using 1,4-disulfo-1,4-diazabicyclo[2.2.2]octane-1,4-diium dihydrogen sulfate {DABCO(HSO3)(2)(HSO4)(2)} as a new ionic liquid catalyst

1,4-Disulfo-1,4-diazabicyclo[2.2.2]octane-1,4-diium dihydrogen sulfate {DABCO(HSO3)(2)(HSO4)(2)} as a new ionic liquid, is prepared and characterized by using different methods including FT-IR, NMR, Mass and SEM analysis as well as determination of the Hammett acidity function. This reagent can be used as an efficient catalyst for the promotion of the synthesis of 2H-indazolo[2,1-b]phthalazine-1,6,11(13H)-trione derivatives as important biologically active compounds with pharmaceutical properties. All reactions are performed in the absence of solvent using small amounts of the catalyst. Easy preparation of the catalyst, simple and easy work-up, mild reaction conditions, green process, excellent yields and short reaction times are the most important advantages this of method. (C) 2015 Elsevier Ltd. All rights reserved.

We’ll also look at important developments in the pharmaceutical industry because understanding organic chemistry is important in understanding health, medicine, 35661-39-3. The above is the message from the blog manager. Computed Properties of C18H17NO4.

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

Chemistry, like all the natural sciences, Recommanded Product: 9,10-Dibromoanthracene, begins with the direct observation of nature— in this case, of matter.523-27-3, Name is 9,10-Dibromoanthracene, SMILES is BrC1=C2C=CC=CC2=C(Br)C3=CC=CC=C13, belongs to phthalazine compound. In a document, author is Shirini, Farhad, introduce the new discover.

Synthesis of 2H-indazolo[2,1-b]phthalazine-1,6,11(13H)-triones using 1,4-disulfo-1,4-diazabicyclo[2.2.2]octane-1,4-diium dihydrogen sulfate {DABCO(HSO3)(2)(HSO4)(2)} as a new ionic liquid catalyst

1,4-Disulfo-1,4-diazabicyclo[2.2.2]octane-1,4-diium dihydrogen sulfate {DABCO(HSO3)(2)(HSO4)(2)} as a new ionic liquid, is prepared and characterized by using different methods including FT-IR, NMR, Mass and SEM analysis as well as determination of the Hammett acidity function. This reagent can be used as an efficient catalyst for the promotion of the synthesis of 2H-indazolo[2,1-b]phthalazine-1,6,11(13H)-trione derivatives as important biologically active compounds with pharmaceutical properties. All reactions are performed in the absence of solvent using small amounts of the catalyst. Easy preparation of the catalyst, simple and easy work-up, mild reaction conditions, green process, excellent yields and short reaction times are the most important advantages this of method. (C) 2015 Elsevier Ltd. All rights reserved.

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 523-27-3. Recommanded Product: 9,10-Dibromoanthracene.

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, Quality Control of Fmoc-Ala-OH35661-39-3, Name is Fmoc-Ala-OH, SMILES is C[C@H](NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)C(O)=O, belongs to phthalazine compound. In a article, author is Sanchez-Moreno, Manuel, introduce new discover of the category.

In vitro leishmanicidal activity of imidazole- or pyrazole-based benzo[g]phthalazine derivatives against Leishmania infantum and Leishmania braziliensis species

Objectives: To evaluate the in vitro leishmanicidal activity of imidazole-based (1-4) and pyrazole-based (5-6) benzo[g] phthalazine derivatives against Leishmania infantum and Leishmania braziliensis. Methods: The in vitro activity of compounds 1-6 was assayed on extracellular promastigote and axenic amastigote forms, and on intracellular amastigote forms of the parasites. Infectivity and cytotoxicity tests were performed on J774.2 macrophage cells using meglumine antimoniate (Glucantime) as the reference drug. The mechanisms of action were analysed by iron superoxide dismutase (Fe-SOD) and copper/zinc superoxide dismutase (CuZn-SOD) inhibition, metabolite excretion and transmission electronic microscopy (TEM). Results: Compounds 1-6 were more active and less toxic than meglumine antimoniate. Data on infection rates and amastigote mean numbers showed that 2, 4 and 6 were more active than 1, 3 and 5 in both L. infantum and L. braziliensis. The inhibitory effect of these compounds on the antioxidant enzyme Fe-SOD of promastigote forms of the parasites was remarkable, whereas inhibition of human CuZn-SOD was negligible. The ultrastructural alterations observed in treated promastigote forms confirmed the greater cell damage caused by the most active compounds 2, 4 and 6. The modifications observed by 1H-NMR in the nature and amounts of catabolites excreted by the parasites after treatment with 1-6 suggested that the catabolic mechanisms could depend on the structure of the side chains linked to the benzo[g] phthalazine moiety. Conclusions: All the compounds assayed were active in vitro against the two Leishmania species and were less toxic against mammalian cells than the reference drug, but the monosubstituted compounds were significantly more effective and less toxic than their disubstituted counterparts.

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 35661-39-3. Quality Control of Fmoc-Ala-OH.

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

Synthetic Route of 36809-26-4, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, 36809-26-4, Name is (4-Bromophenyl)diphenylamine, SMILES is BrC1=CC=C(N(C2=CC=CC=C2)C3=CC=CC=C3)C=C1, belongs to phthalazine compound. In a article, author is Aslam, Afeefa, introduce new discover of the category.

Synthesis, Characterization and Antimicrobial Activity of Bis(Phthalimido)Piperazine and its Derivatives: a New Class of Bioactive Molecules with Enhanced Safety and Efficacy

Piperazine rings are important heterocyclic targets in organic synthesis and are useful synthetic intermediates or intricate parts of biologically active molecules. In our efforts, a series of piperazine derivatives has been prepared discovering new classes of antimicrobial agents, including bis(phthalimido)piperazine, bis(3-aminopropyl) piperazine, 2,3-dihydro-phthalazine-1,4-dione, and bis(3,4-aminophenol)piperazine. The synthesized antimicrobial agents have been studied using various spectroscopic techniques. Furthermore, these compounds have been screened for their in vitro antimicrobial activity against selected bacterial and fungal strains. Three compounds exhibited mild to good antibacterial activity, but somewhat lower antifungal activity against tested microbial strains.

Synthetic Route of 36809-26-4, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. I hope my blog about 36809-26-4 is helpful to your research.

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

Reference of 198561-07-8, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 198561-07-8, Name is Fmoc-Pra-OH, SMILES is C#CC[C@H](NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)C(O)=O, belongs to phthalazine compound. In a article, author is Kolle, Shivalinga, introduce new discover of the category.

beta-Carboline-directed decarboxylative acylation of ortho-C(sp(2))-H of the aryl ring of aryl(beta-carbolin-1-yl)methanones with alpha-ketoacids under palladium catalysis

A palladium-catalysed beta-carboline directed decarboxylative acylation of ortho-C(sp(2))-H of the aryl ring of aryl(beta-carbolin-1-yl)methanones using alpha-oxocarboxylic acid as the acyl ion equivalent to form (2-aroylaryl)(beta-carbolin-2-yl) methanones is described. The utility of these products for preparing beta-carboline-tethered phthalazine systems is also demonstrated.

Reference of 198561-07-8, 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 198561-07-8.

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

Chemistry can be defined as the study of matter and the changes it undergoes. You’ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology. 143-66-8, Name is Sodium tetraphenylborate, molecular formula is , belongs to phthalazine compound. In a document, author is Romero, Angel H., Computed Properties of C24H20BNa.

Antileismanial activity, mechanism of action study and molecular docking of 1,4-bis(substituted benzalhydrazino)phthalazines

To identify new agents for the treatment of American cutaneous leishmaniasis, a series of eight 1,4-bis(substituted benzalhydrazino)phthalazines was evaluated against Leishmania braziliensis and Leishmania mexicana parasites. These compounds represent a disubstituted version of the 1-chloro-4-(monoaryl/heteroarylhydranizyl)phthalazine that exhibited a significant response against L. braziliensis according to our previous findings. Two disubstituted phthalazines 3b and 3f were identified as potential antileishmanial agents against L. braziliensis parasites, exhibiting a submicromolar IC50 response of 2.37 and 7.90 mu M on the promastigote form, and of 1.82 and 4.56 mu M against intracellular amastigotes, respectively. In particular, compound 3b showed interesting responses against amastigote isolates from reference, glucantime-resistant and clinical human strains, which were by far superior to the biological response found for the glucantime drug. With regard to the toxicity results, both 3b and 3f exhibited moderate LD50 values against murine macrophages (BMDM), with good selectivity indexes on promastigotes and intracellular amastigotes of L. braziliensis. A comparison of biological response was established between the monosubstituted and disubstituted versions of these benzalhydrazino-phthalazines. Easy synthetic procedure and significant response against amastigote strains including against resistant lines made compound 3b a potential candidate for further pharmacokinetic and in vivo experiments as antileishmanial agent, and as a platform for further structural optimization. Mechanism-of-action studies and molecular docking simulations discarded to inhibition of superoxide dismutase as possible mode of action.

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 143-66-8, in my other articles. Computed Properties of C24H20BNa.

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

81-48-1, Name is 1-Hydroxy-4-(p-tolylamino)anthracene-9,10-dione, molecular formula is C21H15NO3, Safety of 1-Hydroxy-4-(p-tolylamino)anthracene-9,10-dione, belongs to phthalazine compound, is a common compound. In a patnet, author is Abida, once mentioned the new application about 81-48-1.

Synthesis of some pyridazine derivatives as antioxidants and antimicrobial agents

Purpose: To prepare some pyridazine derivatives as antioxidant and antimicrobial agents. Methods: The coupling of aryl diazonium salts with diethyl 2-cyano-3-methylglutaconate afforded pyridazine-5-carbonitrile derivatives (3a-e). The methyl function in the pyridazine derivatives (3a-e) reacted with cinnamonitriles to yield phthalazine derivatives (6a-h). Imino-pyridazine derivatives (9a-h) were obtained by reacting 2-aminoprop-1-ene-1,1,3-tricarbonitrile along with aryl diazonium salts (1a-h). Structure elucidation was done by spectral analysis. The 1,1-diphenyl-2-picryl hydrazyl (DPPH) technique was employed to assess antioxidant effect, while evaluation of antimicrobial activity was carried out by serial dilution technique. Results: Compounds, 6f (IC50 = 12.68 mu g/mL; p < 0.05), 6a (IC50 = 14.23 mu g/mL; p < 0.05), and 3c (IC50 = 14.34 mu g/mL; p < 0.05) displayed good antioxidant activity compared to ascorbic acid (IC50 = 12.45 mu g/mL; p < 0.05). Based on the zone of inhibition, compound 6c (p < 0.05) displayed higher activity than ofloxacin (p < 0.05) against E. coli. Conclusion: The presence of an oxo group and carboxylate group plays an important role in the antioxidant activity of these compounds. Compounds 6a, 6f, and 3c can potentially serve as lead compounds for the development of promising antioxidants. I hope this article can help some friends in scientific research. I am very proud of our efforts over the past few months and hope to 81-48-1 help many people in the next few years. Safety of 1-Hydroxy-4-(p-tolylamino)anthracene-9,10-dione.

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

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. Safety of 1-(Triphenylphosphoranylidene)propan-2-one, 1439-36-7, Name is 1-(Triphenylphosphoranylidene)propan-2-one, SMILES is CC(C=P(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3)=O, in an article , author is Wang, Xue-Mei, once mentioned of 1439-36-7.

Synthesis, structure and DFT calculation of a facial tris-cyclometalated phosphorescent iridium(III) complex containing substituted phthalazine ligands

The facial tris-cyclometalated iridium(III) complex fac-Ir(dmpopopz)(3) (dmpopopzH = 1-(2,6-dimethylphenyloxy)-4-(4-phenyloxyphenyl)-phthalazine) was synthesized from the reaction of iridium (III) chloride hydrate and ligand dmpopopzH in refluxing ethoxyethanol. The conformation of complex fac-Ir(dmpopopz)(3) is described on the basis of the H-1 NMR, C-13 NMR, FT-IR and mass spectroscopies, the crystal structure of fac-Ir(dmpopopz)(3) was determined by X-ray crystallography, and the theoretical calculation of complex fac-Ir(dmpopopz)(3) was also investigated by the DFT method. The absorption and emission spectral results exhibit that complex fac-[Ir(dmpopopz)(3)] may be used as a red-emitting phosphorescent material. Efficient OLEDs have been achieved using the complex fac-[Ir(dmpopopz)(3)] in the red-emitting region. (C) 2017 Published by Elsevier B.V.

But sometimes, even after several years of basic chemistry education, it is not easy to form a clear picture on how they govern reactivity! 1439-36-7, you can contact me at any time and look forward to more communication. Safety of 1-(Triphenylphosphoranylidene)propan-2-one.

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

Let’s face it, organic chemistry can seem difficult to learn, Quality Control of 4,4′-(1,4-Phenylenebis(ethene-2,1-diyl))dibenzonitrile, Especially from a beginner’s point of view. Like 13001-40-6, Name is 4,4′-(1,4-Phenylenebis(ethene-2,1-diyl))dibenzonitrile, molecular formula is phthalazine, belongs to phthalazine compound. In a document, author is Shaikh, Mohd Akmal, introducing its new discovery.

[Bu3NH] [HSO4] catalyzed: an eco-efficient synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones and 2H-indazolo[2,1-b]phthalazine-triones under solvent-free conditions

A Bronsted acidic ionic liquid [Bu3NH][HSO4] as an eco-efficient catalyst for the one-pot multicomponent synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones and 2H-indazolo[2,1-b]phthalazine-triones by using various aldehyde, malononitrile/dimedone, and phthalhydrazide in the absence of a solvent at 80 degrees C is described. Further, the catalyst is prepared from readily available reagents and fully characterized by different techniques such as FT-IR, H-1-NMR, C-13-NMR, and TG, DTG and DTA analyses. The current synthetic protocol offers the mild reaction conditions, short reaction times (9-30 min), excellent yields of the products (83-95%), a clean and straightforward work-up, reusability of the catalyst up to seven catalytic runs, and a sustainable alternative to the existing methods.

If you are hungry for even more, make sure to check my other article about 13001-40-6, Quality Control of 4,4′-(1,4-Phenylenebis(ethene-2,1-diyl))dibenzonitrile.

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