Tag: M.W:100-200

Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 643-79-8, Name is Benzene-1,2-dicarboxaldehyde, molecular formula is C8H6O2, belongs to phthalazine compound. In a document, author is Reddy, Y. Dathu, introduce the new discover, SDS of cas: 643-79-8.

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.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law. In my other articles, you can also check out more blogs about 643-79-8. SDS of cas: 643-79-8.

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. 41263-74-5, Name is 4-(Methylamino)-3-nitrobenzoic acid, molecular formula is C8H8N2O4. In an article, author is Gudala, Satish,once mentioned of 41263-74-5, Formula: https://www.ambeed.com/products/41263-74-5.html.

A series of novel, multifunctional 1,3,4-thiadiazine derivatives bearing phthalazines, pyridazines and pyrido-pyridazines (9-13) have been synthesized via the multicomponent reaction of (3-(2-bromo-2-[2-chloropyrimidin-4-yl]acetyl)-2-chlorophenyl)-2,6-dichloro benzene-sulfonamide with thiocarbohydrazide and various anhydrides. The reactions were performed by refluxing the components in mixed ethanol/acetic acid to afford the corresponding products in good to excellent yields. All the synthesized compounds were characterized by analytical and spectral studies. The developed method features short reaction time, simple work-up without chromatographic separation, and a broad range of substrate applicability.

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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, 1603-79-8, Name is Ethyl benzoylformate, SMILES is CCOC(=O)C(=O)C1=CC=CC=C1, in an article , author is Saadati-Moshtaghin, Hamid Reza, once mentioned of 1603-79-8, COA of Formula: https://www.ambeed.com/products/1603-79-8.html.

A novel, efficient and magnetically recoverable nanomaterial consisting of heteropoly acid supported on ionic liquid-modified copper ferrite nanoparticle was prepared and performed as a heterogeneous catalyst in the fast and convenient synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-dione derivatives under mild and solvent-free conditions. The synthesized nanomaterial was characterized with FT-IR, XRD, FESEM, TEM, ICP and VSM. Furthermore, the obtained nanomaterial displayed striking reusability in the titled catalytic reaction. Compared with the various previously reported catalysts, the newly synthesized nanocatalyst is found to be most efficient with regard to operation simplicity, reaction time, yield and ease of catalyst separation.

But sometimes, even after several years of basic chemistry education, it is not easy to form a clear picture on how they govern reactivity! 1603-79-8, you can contact me at any time and look forward to more communication. COA of Formula: https://www.ambeed.com/products/1603-79-8.html.

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

In an article, author is Sanchez-Moreno, Manuel, once mentioned the application of 24324-17-2, Quality Control of 9-Fluorenemethanol, Name is 9-Fluorenemethanol, molecular formula is C14H12O, molecular weight is 196.2445, MDL number is MFCD00001139, category is phthalazine. Now introduce a scientific discovery about this category.

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.

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

Synthetic Route of 1603-79-8, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, 1603-79-8, Name is Ethyl benzoylformate, SMILES is CCOC(=O)C(=O)C1=CC=CC=C1, belongs to phthalazine compound. In a article, author is Kerru, Nagaraju, introduce new discover of the category.

An eco-friendly and efficient green protocol is developed for the synthesis of sixteen pyrazolo-phthalazine derivatives (5a-p) by using inexpensive biodegradable eggshell powder (ESP) as a heterogeneous catalyst. The four-component one-pot condensation reaction proceeded through Knoevenagel-Michael reaction of different chosen active methylene compounds, phthalic anhydride, and hydrazine hydride with various substituted aromatic aldehydes in the water at 60 degrees C, and furnished the high yields of products (93-98%) in rapid reaction time of 28 to 45 min. The material was characterized by different analytical techniques (SEM, TEM, XRD, BET, and FT-IR), and was composed of the high percentage of calcium oxides and carbonates, and less percentage of Na and Mg elements (based on EDX analysis). The ESP material displayed recyclability (4 times) without any notable loss of catalytic efficacy. Besides, this procedure offers 98% of the atom economy and 100% of carbon efficiency together with significant fiscal and enviro-friendly benefits.

Synthetic Route of 1603-79-8, 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 1603-79-8 is helpful to your research.

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

775-12-2, Name is Diphenylsilane, molecular formula is C12H12Si, belongs to phthalazine compound, is a common compound. In a patnet, author is Ebrahimiasl, Hakimeh, once mentioned the new application about 775-12-2, HPLC of Formula: https://www.ambeed.com/products/775-12-2.html.

In this research, synthesis and characterization of a novel Schiff base Cu (II) complex immobilized on Fe3O4@SiO(2)nanoparticles are reported. Then, the catalytic activity of these nanoparticles as magnetic recyclable nanocatalyst was explored for the one-pot three-component synthesis of quinolin-5-one, chromene-3-carbonitrile and phthalazine-5,10-dione derivatives. The reactions proceeded smoothly to provide the respective products in excellent yields under green conditions. Facile preparation of the catalyst, high yields of the products, low reaction times, and use of water as green solvent are the main advantages of the present protocol. Moreover, the catalyst can be easily separated from the reaction mixture in a magnetic field, recycled and reused for six consecutive fresh runs without considerable loss of catalytic activity. Graphic abstract

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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. 88-99-3, Name is Pathalic acid, molecular formula is C8H6O4. In an article, author is Maftei, Dan,once mentioned of 88-99-3, Category: phthalazines.

The X-ray crystal structure of 8-(4-methylbenzoyl)benzo[5,6]isoindolo[1,2-a]phthalazine-9,14-dione, a derivative of fused pyrrolophtalazine heterocycle, is reported. The compound crystallfzes in the monoclinic C2/c space group (no. 15) with a = 23.968(4) angstrom, b = 7.6709(14) angstrom, c = 22.353(3) angstrom, alpha = gamma = 90.00, beta = 110.680(15)degrees, V=3845 angstrom(3) and Z = 7. Molecular and crystal packing parameters for the novel heterocyclic system were obtained from intensity data collected at room temperature. Both the benzo [5,6]isoindolo [1,2-a]phthalazine-9,14-dione and the 4-methyl-benzoyl fragments are planar and oriented at 78 degrees. Crystal packing is based on multiple (strong) pi-pi stacking interactions.

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

Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 1078-61-1, Name is 3-(3,4-Dihydroxyphenyl)propionic acid, SMILES is O=C(O)CCC1=CC=C(O)C(O)=C1, belongs to phthalazine compound. In a document, author is Vafaee, Asieh, introduce the new discover, Application In Synthesis of 3-(3,4-Dihydroxyphenyl)propionic acid.

Sodium hydrogen carbonate, NaHCO3, efficiently catalyzes the one-pot, three-component reaction of phthalhydrazide, an aromatic aldehyde, and malononitrile or ethyl cyanoacetate under solvent-free conditions, to afford the corresponding 1H-pyrazolo[1,2-b]phthalazine-5,10-diones in high yields. Easy work up, inexpensive and readily available catalyst and avoiding the use of harmful organic solvents are other advantages of this simple procedure.

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 1078-61-1 is helpful to your research. Application In Synthesis of 3-(3,4-Dihydroxyphenyl)propionic acid.

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. 556-08-1, Name is 4-Acetamidobenzoic acid, molecular formula is , belongs to phthalazine compound. In a document, author is Safaei-Ghomi, Javad, Recommanded Product: 4-Acetamidobenzoic acid.

CuI nanoparticles as an efficient catalyst have been used for the preparation of 1H-pyrazolo[1,2b]phthalazine-5,10-diones by the four-component condensation reaction of phthalic anhydride, hydrazine monohydrate, aromatic aldehydes and malononitrile or ethyl cyanoacetate under solvent-free conditions in good to excellent yields, short reaction times and environmentally benign, milder reaction conditions. (C) 2013 Javad Safaei-Ghomi. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.

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 556-08-1, in my other articles. Recommanded Product: 4-Acetamidobenzoic acid.

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

Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 1078-61-1, Name is 3-(3,4-Dihydroxyphenyl)propionic acid, SMILES is O=C(O)CCC1=CC=C(O)C(O)=C1, belongs to phthalazine compound. In a document, author is Dam, Binoyargha, introduce the new discover, Category: phthalazines.

Nano-organocatalyzed one-pot four-component reactions for the synthesis of phthalazine-trione/dione derivatives have been devised for the first time from easily accessible starting materials under solvent-free conditions. This methodology showed very good substrate scope and high degree of tolerance for a variety of aldehydes (including aliphatic and heteroaromatic aldehydes) and active methylene compounds. Moreover, the catalyst can be easily separated from the reaction mixture because of its highly paramagnetic nature, by using an external magnet, and can be reused in five more consecutive runs without much decrease in catalytic activities. Other significant advantages of this method are shorter reaction time, good yield, simple work-up procedure, easy catalyst handling etc.

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 1078-61-1 is helpful to your research. Category: phthalazines.

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