Category: 638-07-3

Regioselective Halogenation of 2H-Chromenones Promoted by Oxone and NaX: A Facile Approach for the Preparation of Halochromenones and 2H-Chromenone Natural Products was written by Vanammoole, Lakshmireddy;Kommera, Rajkumar;Hariprasad Kurma, Siva;Rao Vaidya, Jayathirtha;Raju Bhimapaka, China. And the article was included in ChemistrySelect in 2020.COA of Formula: C6H9ClO3 The following contents are mentioned in the article:

A systematic study was conducted for the regioselective halogenation of 2H-chromenones to prepare 3-halo-2H-chromenones, 4-substituted 3-halo-2H-chromenones and 3-(2-haloacetyl)-2H-chromenones. Com. available NaCl/NaBr was used as halogen source and oxone as an oxidant to produce the compounds Further, the method was successfully applied for the preparation of pharmaceutically important halogenated 2H-chromenone natural products. The present approach was simple, economically viable and provided the target compounds with good yields. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3COA of Formula: C6H9ClO3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen. The haloform reaction, using chlorine and sodium hydroxide, is also able to generate alkyl halides from methyl ketones, and related compounds. Chloroform was formerly produced thus.COA of Formula: C6H9ClO3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthesis, characterization and anti-microbial activity of novel pyrimidine derivatives was written by Kumar, Konda Ravi;Sumanjali, K. N. S. Sneha;Chandana, M. Priya;Srilatha, N.;Rao, P. Koteswara. And the article was included in Journal of Drug Delivery and Therapeutics in 2021.Quality Control of Ethyl 4-chloro-3-oxobutanoate The following contents are mentioned in the article:

Chalcones reacted with aminoguanidine to give intermediate compounds which on further reacted with substituted ketones to give pyrimidine derivatives A total of 6 compounds were synthesized from one scheme and they were recrystallized by appropriate solvents. They were identified and characterized by various spectral methods. In the present study, all synthesized compounds tested for antibacterial activity and anti-fungal activity. They showed significant activity when compared with standard drug Streptomycin and Miconazole resp. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Quality Control of Ethyl 4-chloro-3-oxobutanoate).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Organic chlorides can cause corrosion in pipelines, valves and condensers, and cause catalyst poisoning. The hydrocarbon processing industry (HPI) and others are affected by damage caused by these substances. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Quality Control of Ethyl 4-chloro-3-oxobutanoate

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Novel coumarin-based pH sensitive fluorescent probes for the highly alkaline pH region was written by Nguyen, T. Hien;Sun, Tong;Grattan, Kenneth T. V.. And the article was included in Dyes and Pigments in 2020.HPLC of Formula: 638-07-3 The following contents are mentioned in the article:

The design, synthesis and spectroscopic properties of novel polymerizable coumarin-based pH indicators are reported. They show a fluorescence response to pH in the highly alk. pH region with calculated pK_a values in the range of 12.2-12.5. Covalent immobilization of the indicators to polymer supports provides novel pH-sensitive materials that possess excellent photostability. The materials are sensitive to pH in a similar range and can be applied in optical pH sensors for measuring pH in various alk. media. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3HPLC of Formula: 638-07-3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen.While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available. Alkyl chlorides readily undergo attack by nucleophiles.HPLC of Formula: 638-07-3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Design, Synthesis and Cytotoxic Activities of Pyrazole-Perimidine Hybrids was written by Guemues, Mehmet;Guemues, Nisa;Eroglu, Halil Erhan;Koca, Irfan. And the article was included in ChemistrySelect in 2020.Name: Ethyl 4-chloro-3-oxobutanoate The following contents are mentioned in the article:

Nine perimidine-pyrazole hybrids I [R = H, Me, Cl; Ar = Ph, 4-MeC₆H₄, 2-MeOC₆H₄, 4-FC₆H₄, 4-BrC₆H₄] were designed and synthesized. Genotoxic, mutagenic and carcinogenic effects of two of the synthesized compounds I [R = H, Ar = 4-MeC₆H₄; R = Me, Ar = 4-BrC₆H₄] were evaluated. The tested compounds could cause chromosomal damage by genotoxic potential and mitotic delay by cytotoxic potential at high concentrations (25-100μM). This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Name: Ethyl 4-chloro-3-oxobutanoate).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Name: Ethyl 4-chloro-3-oxobutanoate

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Green Synthesis of 3-Substituted-4-arylmethylideneisoxazol-5(4H)-one Derivatives Catalyzed by Salicylic Acid was written by Mosallanezhad, Asiyeh;Kiyani, Hamzeh. And the article was included in Current Organocatalysis in 2019.Quality Control of Ethyl 4-chloro-3-oxobutanoate The following contents are mentioned in the article:

The efficient and environmental friendliness procedure for the synthesis of isoxazol-5(4H)-ones was introduced. Salicylic acid was used as an inexpensive, easy to handle and safe catalyst for the synthesis of title compounds 3-Substituted-4-arylmethylideneisoxazol-5(4H)-ones were obtained from readily available aryl/heteroaryl aldehydes and β-keto esters via the cyclocondensation reaction without using thermal, microwave or ultrasound conditions. It must be highlighted that the procedure is operationally mild and simple, and the desired small heterocycles were obtained in good to high yields. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Quality Control of Ethyl 4-chloro-3-oxobutanoate).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Alkyl chlorides are versatile building blocks in organic chemistry. While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available.Quality Control of Ethyl 4-chloro-3-oxobutanoate

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Design and synthesis of a novel PLK1 inhibitor scaffold using a hybridized 3D-QSAR model was written by Oh, Youri;Jung, Hoyong;Kim, Hyejin;Baek, Jihyun;Jun, Joonhong;Cho, Hyunwook;Im, Daseul;Hah, Jung-Mi. And the article was included in International Journal of Molecular Sciences in 2021.Synthetic Route of C6H9ClO3 The following contents are mentioned in the article:

Polo-like kinase 1 (PLK1) plays an important role in cell cycle progression and proliferation in cancer cells. PLK1 also contributes to anticancer drug resistance and is a valuable target in anticancer therapeutics. To identify addnl. effective PLK1 inhibitors, we performed QSAR studies of two series of known PLK1 inhibitors and proposed a new structure based on a hybridized 3D-QSAR model. Given the hybridized 3D-QSAR models, we designed and synthesized 4-benzyloxy-1-(2-arylaminopyridin-4-yl)-1H-pyrazole-3-carboxamides, and we inspected its inhibitory activities to identify novel PLK1 inhibitors with decent potency and selectivity. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Synthetic Route of C6H9ClO3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. The haloform reaction, using chlorine and sodium hydroxide, is also able to generate alkyl halides from methyl ketones, and related compounds. Chloroform was formerly produced thus.Synthetic Route of C6H9ClO3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Oxygenated Cyclopentenones via the Pauson-Khand Reaction of Silyl Enol Ether Substrates was written by Shaw, Paul;Hassell-Hart, Storm J.;Douglas, Gayle E.;Malcolm, Andrew G.;Kennedy, Alan R.;White, Gemma V.;Paterson, Laura C.;Kerr, William J.. And the article was included in Organic Letters in 2022.HPLC of Formula: 638-07-3 The following contents are mentioned in the article:

Here the application of silyl enol ether moieties as efficient alkene coupling partners within cobalt-mediated intramol. Pauson-Khand reactions is reported. This cyclization strategy delivers synthetically valuable oxygenated cyclopentenone products, e.g., I, in yields of ≤93% from both ketone- and aldehyde-derived silyl enol ethers, e.g., II, incorporates both terminal and internal alkyne partners, and delivers a variety of decorated systems, including more complex tricyclic structures. Facile removal of the silyl protecting group reveals oxygenated sites for potential further elaboration. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3HPLC of Formula: 638-07-3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. Alkyl chlorides are versatile building blocks in organic chemistry. While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available.HPLC of Formula: 638-07-3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Copper(I)-Catalyzed Direct Oxidative Annulation of 1,3-Dicarbonyl Compounds with Maleimides: Access to Polysubstituted Dihydrofuran Derivatives was written by Wang, Wen-Kang;Tan, Hong-Ru;Wang, Ning-Ning;Ruan, Hong-Li;Zhao, Sheng-Yin. And the article was included in Journal of Organic Chemistry.HPLC of Formula: 638-07-3 The following contents are mentioned in the article:

An efficient annulation method for the synthesis of polysubstituted dihydrofurans I [R¹ = H, Me, Bn, etc.] from 1,3-dicarbonyl compounds and maleimides was described. The reactions could afford furo[2,3-c]pyrrole derivatives with satisfactory yields. The developed strategy realized the direct oxidative double C(sp³)-H functionalization in the presence of copper(I) salts and 2-(tert-butylperoxy)-2-methylpropane. Meanwhile, this protocol featured a mild reaction condition and simple catalytic system. A reaction mechanism involving a single electron oxidation was also proposed. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3HPLC of Formula: 638-07-3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Organochlorines are organic compounds having multiple chlorine atoms. They were the first synthetic pesticides that were used in agriculture. They are resistant to most microbial and chemical degradations. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.HPLC of Formula: 638-07-3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Asymmetric synthesis of δ-substituted-β-keto esters and β-substituted ketones via carboxyl-assisted site- and enantio-selective addition reactions was written by Zhu, Huiling;Liu, Peng;Liu, Hongxin;Ahmed, Ebrahim-Alkhalil M. A.;Hu, Xingen;Li, Juan;Xiao, Hong-Ping;Li, Xinhua;Jiang, Jun. And the article was included in Organic Chemistry Frontiers in 2022.Electric Literature of C6H9ClO3 The following contents are mentioned in the article:

Carboxyl-assisted site- and enantio-selective additions of polyfunctional nucleophiles to imines and carbonyls were developed, affording δ-substituted-β-keto esters and β-substituted ketones with good yields and enantioselectivities. Besides, short synthetic routes to bioactive mols. were also achieved. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Electric Literature of C6H9ClO3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids.While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available. Alkyl chlorides readily undergo attack by nucleophiles.Electric Literature of C6H9ClO3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Convenient one-step synthesis of quinoline-3,4-dicarboxylate derivatives was written by Ge, Youjin;Yu, Niefang. And the article was included in Synthetic Communications in 2021.Product Details of 638-07-3 The following contents are mentioned in the article:

Herein a practical and convenient procedure for the one-step synthesis of quinoline-3,4-dicarboxylate derivatives from isatins and β-keto esters in alcs. catalyzed by sulfuric acid was described. This novel protocol offers the advantages of high conversion rates, short reaction times, and easy handling. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Product Details of 638-07-3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Organochlorines are organic compounds having multiple chlorine atoms. They were the first synthetic pesticides that were used in agriculture. They are resistant to most microbial and chemical degradations. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Product Details of 638-07-3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics