Category: chlorides-buliding-blocks

Theoretical and experimental investigation of NMR, IR and UV-visible spectra of hydroxyl-substituted-4-chloromethylcoumarin derivatives was written by Loarueng, Chutipapha;Boekfa, Bundet;Jarussophon, Suwatchai;Pongwan, Pawinee;Kaewchangwat, Narongpol;Suttisintong, Khomson;Jarussophon, Nongpanga. And the article was included in ARKIVOC (Gainesville, FL, United States) in 2019.Electric Literature of C6H9ClO3 The following contents are mentioned in the article:

UV-Visible, FTIR and NMR exptl. and theor. spectral results have been compared for five substituted-4-chloromethylcoumarin derivatives (6-OH, 7-OH, 6,7-di-OH, 7,8-di-OH and 5,7-di-OH-substituted-4-chloromethylcoumarins). The theor. investigation was conducted using d. functional theory (DFT), namely the M06-2X functional form with 6-311 + G(2df,2p) basis set. The ¹³C-NMR and ¹H-NMR chem. shifts, vibrational spectra and MOs of the excited states were calculated based on their optimized geometries. The calculated values were found to have close agreement with the exptl. values. The theor. data are useful and could be important in the proper selection of compounds as intermediates for different chem. applications and modifications. 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. Organic chlorides are compounds containing a carbon-chlorine bond, which are widely used in the oil field as a wax dissolver. 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.Electric Literature of C6H9ClO3

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

Promising antimicrobial material based on hyperbranched polyacrylic acid for biomedical applications was written by Kandil, Heba;Nour, Shaimaa A.;Amin, Amal. And the article was included in International Journal of Polymeric Materials and Polymeric Biomaterials.Application In Synthesis of N-Methyl-N,N-dioctyloctan-1-aminium chloride The following contents are mentioned in the article:

A prospective antimicrobial material based on polyacrylic acid hyperbranched polymer (PAA- RAFT-HPAE) was synthesized via Reversible addition – fragmentation chain-transfer polymerization (RAFT). The antimicrobial tests showed that the prepared PAA- RAFT-HPAE exhibited strong antimicrobial activity against Gram pos. Staphylococcus aureu and Candida albicans fungus. In addition, the cytotoxicity results indicated that the PAA- RAFT-HPAE was nontoxic on BJ1 normal human fibroblast cells. Moreover, PAA-RAFT-HPAE was incorporated with different concentrations into polyvinylalc. matrix (PVA) to prepare antimicrobial bio-films. The effect of incorporation of PAA-RAFT-HPAE on the biol., mech., and thermal properties of the resulting films was investigated. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Application In Synthesis of N-Methyl-N,N-dioctyloctan-1-aminium chloride).

N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) 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 readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Application In Synthesis of N-Methyl-N,N-dioctyloctan-1-aminium chloride

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

A Fluorescent Probe for Neural Stem/Progenitor Cells with High Differentiation Capability into Neurons was written by Kim, Beomsue;Feng, Suihan;Yun, Seong-Wook;Leong, Cheryl;Satapathy, Rudrakanta;Wan, Si Yan Diana;Chang, Young-Tae. And the article was included in ChemBioChem in 2016.Name: 4-Chlororesorcinol The following contents are mentioned in the article:

Selection of a specific neural stem/progenitor cells (NSPCs) has attracted broad attention in regenerative medicine for neurol. disorders. Here, we report a fluorescent probe, CDg13, and its application for isolating strong neurogenic NSPCs. In comparison to the NSPCs isolated by other biomarkers, CDg13-stained NSPCs showed higher capability to differentiate into neurons. Target identification revealed that the fluorescence intensity of the probe within cells is inversely proportional to the expression levels of mouse and human Abcg2 transporters. These findings suggest that low Abcg2 expression is a biomarker for neurogenic NSPCs in mouse brain. Furthermore, CDg13 can be used to isolate Abcg2^low cells from heterogeneous cell populations. This study involved multiple reactions and reactants, such as 4-Chlororesorcinol (cas: 95-88-5Name: 4-Chlororesorcinol).

4-Chlororesorcinol (cas: 95-88-5) 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. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Name: 4-Chlororesorcinol

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

Catalytic reductive cyclization of 2-nitrobiphenyls using phenyl formate as CO surrogate: A robust synthesis of 9H-carbazoles was written by Ramadan, Doaa R.;Ferretti, Francesco;Ragaini, Fabio. And the article was included in Journal of Catalysis in 2022.Quality Control of Sodium tetrachloropalladate(II) The following contents are mentioned in the article:

A palladium/phenanthroline catalyzed reductive cyclization of o-nitrobiphenyls to 9H-carbazoles operated by in situ released CO is described. In the present method, the presence of Ph formate is essential to avoid the use of high-pressure equipment and allows to perform the reaction in a single thick-walled glass tube. The identity of the base, which catalyzes the formate decomposition, is crucial to the selectivity of the reaction. Stability of the catalyst is influenced by the presence of chloride anions. Carbazole yields are most often higher than those previously reported using pressurized CO. The optimized catalytic system features excellent stability and moisture and air tolerance allowing to perform the reaction with low catalyst loadings. This study involved multiple reactions and reactants, such as Sodium tetrachloropalladate(II) (cas: 13820-53-6Quality Control of Sodium tetrachloropalladate(II)).

Sodium tetrachloropalladate(II) (cas: 13820-53-6) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Quality Control of Sodium tetrachloropalladate(II)

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

Organozinc Chemistry Enabled by Micellar Catalysis. Palladium-Catalyzed Cross-Couplings between Alkyl and Aryl Bromides in Water at Room Temperature was written by Duplais, Christophe;Krasovskiy, Arkady;Lipshutz, Bruce H.. And the article was included in Organometallics in 2011.Computed Properties of C6H12BrCl The following contents are mentioned in the article:

Negishi-like cross-couplings between (functionalized) alkyl and aryl bromides are described. Despite the fact that organozinc reagents are intolerant of water, their formation as well as their use in an aqueous micellar environment is discussed herein. Each component of this complex series of events leading up to C-C bond formation has an important role which has been determined insofar as the type of zinc, amine ligand, surfactant, and palladium catalyst are concerned. In particular, the nature of the surfactant has been found to be crucial in order to obtain synthetically useful results involving highly reactive, moisture-sensitive organometallics. Neither organic solvent nor heat is required for these cross-couplings to occur; just add water. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3Computed Properties of C6H12BrCl).

1-Bromo-6-chlorohexane (cas: 6294-17-3) belongs to organic chlorides. Organochlorines stimulate the central nervous system and cause convulsions, tremor, nausea, and mental confusion. Examples are dichlorodiphenyltrichloroethane (DDT), chlordane, lindane, endosulfan, and dieldrin. 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.Computed Properties of C6H12BrCl

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

Cyclization of 1-(4,4-diethoxybutyl)-3-arylureas: a case study was written by Smolobochkin, Andrey V.;Gazizov, Almir S.;Voronina, Julia K.;Burilov, Alexander R.;Pudovik, Michail A.. And the article was included in Monatshefte fuer Chemie in 2018.Safety of 4-Chlororesorcinol The following contents are mentioned in the article:

The study on the reaction of (4,4-diethoxybutyl)ureas with nucleophilic aromatics was reported herein. It was found that the structure of the products mainly depends on the strength of the acid used as catalyst as well as aromatic nucleophile nature and its concentration Either 2-arylpyrrolidines e.g., (R,S)-2,2′-(4,6-Dihydroxy-5-methyl-1,3-phenylene)bis[N-(naphthalen-1-yl)pyrrolidine-1-carboxamide], diarylbutanes, 1-[4,4-Bis(5-chloro-2,4-dihydroxyphenyl)butyl]-3-(naphthalen-1-yl)urea, bispyrrole derivatives, N-(Naphthalen-1-yl)-4-[1-(naphthalen-1-ylcarbamoyl)pyrrolidin-2-yl]-2,3-dihydro-1H-pyrrole-1-carboxamide, or pyrrolidinequinazolinones can be synthesized via variation of these factors. The proposed mechanism of the reaction is discussed. This study involved multiple reactions and reactants, such as 4-Chlororesorcinol (cas: 95-88-5Safety of 4-Chlororesorcinol).

4-Chlororesorcinol (cas: 95-88-5) 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.Safety of 4-Chlororesorcinol

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

Synthesis and Antibacterial Evaluation of Thiouracil Derivatives Containing 1,2,4-Triazolo[1,5-a]Pyrimidine was written by Cui, Penglei;Zhang, Di;Guo, Xiumin;Ji, Shujing;Jiang, Qingmei. And the article was included in Letters in Organic Chemistry in 2021.Name: Ethyl 4-chloro-3-oxobutanoate The following contents are mentioned in the article:

A series of new thiouracil compounds containing 1,2,4-triazolo[1,5-a]pyrimidines I (R¹ = 4-Cl, 3,4-Cl₂, 3,4,5-Cl₃; R² = H, 2-Cl, 4-Cl, 4-Ph, 2,4-Cl₂) was designed and synthesized. The in vitro antibacterial activities of the new compounds I against Bacillus amyloliquefaciens, Staphylococcus aureus and Bacillus subtilis were tested. The results showed that some of the new compounds had strong inhibitory activities against the tested bacteria. At the concentration of 50μg/mL, the compound I (R¹ = 4-Cl, R² = 2,4-Cl₂) had broad and highest inhibitory activity with the 100% inhibition against the three tested strains, the same as norfloxacin which was used as the control. 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. Organochlorines stimulate the central nervous system and cause convulsions, tremor, nausea, and mental confusion. Examples are dichlorodiphenyltrichloroethane (DDT), chlordane, lindane, endosulfan, and dieldrin. 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.Name: Ethyl 4-chloro-3-oxobutanoate

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

Construction and investigation of photo-switch property of azobenzene-bridged pillar[5]arene-based [3]rotaxanes was written by Chong, Hui;Nie, Cuiyun;Wang, Lihong;Wang, Sicong;Han, Ying;Wang, Yang;Wang, Chengyin;Yan, Chaoguo. And the article was included in Chinese Chemical Letters in 2021.Electric Literature of C6H12BrCl The following contents are mentioned in the article:

Series of azobenzene-bridged pillar[5]arene-based [3]rotaxanes with different alkyl chain length of guest mols. were constructed by threading-endcapping method with alkylenetriazole as axile and tetrahydrochromene as endcapping group. The encapsulation of pillar[5]arenes were proved by high-resolution mass, ¹H NMR and NOESY spectra. The photo-responsive property were examined by irradiation of the synthesized [3]rotaxanes with 365 nm and blue light LED, which caused trans to cis and cis to trans isomerization, resp. Irradiation of corresponding model guest compounds without pillar[5]arene encapsulation resulted in near completely trans to cis and cis to trans isomerization, indicating the existence of pillar[5]arenes is the determining factor for the comprised photo isomerization efficiency. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3Electric Literature of C6H12BrCl).

1-Bromo-6-chlorohexane (cas: 6294-17-3) belongs to organic chlorides. Organochlorines stimulate the central nervous system and cause convulsions, tremor, nausea, and mental confusion. Examples are dichlorodiphenyltrichloroethane (DDT), chlordane, lindane, endosulfan, and dieldrin.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 C6H12BrCl

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

Semi-Industrial Fluorination of β-Keto Esters with SF₄ : Safety vs Efficacy was written by Trofymchuk, Serhii A.;Kliukovskyi, Denys V.;Semenov, Sergey V.;Khairulin, Andrii R.;Shevchenko, Valerii O.;Bugera, Maksym Y.;Tarasenko, Karen V.;Volochnyuk, Dmitriy M.;Ryabukhin, Sergey V.. And the article was included in Synlett in 2020.Application In Synthesis of Ethyl 4-chloro-3-oxobutanoate The following contents are mentioned in the article:

The possibility of deoxofluorination of β-keto esters using SF₄ was investigated. The scope and limitation of the reaction were determined The efficient method for the synthesis of β,β-difluorocarboxylic acids was elaborated based on the reaction. The set of mentioned acids, being the perspective building blocks for medicinal chem., were synthesized on multigram scale. The safety of SF₄ use was discussed. The described method does not improve upon the safety of using SF₄, but practical recommendations for working with the reagent were proposed. Despite the hazards of using toxic SF₄, a significant increase of efficacy in the synthesis of medicinal-chem.-relevant building blocks, based on the reaction, in comparison with earlier described approaches was shown. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Application In Synthesis of Ethyl 4-chloro-3-oxobutanoate).

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.Application In Synthesis of Ethyl 4-chloro-3-oxobutanoate

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

Solvent Extraction of Ti(IV) from Hydrochloric Acid Leaching Solution of Ilmenite was written by Ahn, Hyeong Hun;Lee, Man Seung. And the article was included in Mineral Processing and Extractive Metallurgy Review in 2021.Application of 5137-55-3 The following contents are mentioned in the article:

A hydrochloric acid leaching solution of ilmenite contains Fe(III) and Ti(IV) and small amount of Mn(II) and Si(IV). Solvent extraction was employed to sep. Ti(IV) and Fe(III) from the leaching solution The co-extracted Ti(IV) was scrubbed from the loaded Alamine 300 by using a pure Fe(III) solution with 9 M HCl. Ti(IV) was then selectively extracted from the Fe(III) free raffinate by using PC88A. Fe(III) and Ti(IV) were successfully stripped from the loaded Alamine 300 and PC88A by distilled water and sulfuric acid containing hydrogen peroxide, resp. Moreover, McCabe-Thiele diagrams for the stripping of Fe(III) and Ti(IV) were constructed. Fe(III) and Ti(IV) solutions with purity higher than 99.9% were produced. A hydrometallurgical process was developed to recover pure TiO₂ from ilmenite. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Application of 5137-55-3).

N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) 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.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.Application of 5137-55-3

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