Category: chlorides-buliding-blocks

Synthesis and Characterization of Impurity B of S-(+)-Clopidogrel Bisulfate: An Antiplatelet was written by Reddy, K. Tatendra;Kumar, K. Suneel;Omprakash, G.;Dubey, P. K.. And the article was included in Synthetic Communications in 2013.Quality Control of (S)-Methyl 2-amino-2-(2-chlorophenyl)acetate The following contents are mentioned in the article:

S-(+)-Clopidogrel bisulfate [(S-(+)-Me 2-(2-chlorophenyl)-2-(6, 7-dihydrothieno[3, 2-c]pyridin-5(4H)-yl)acetate bisulfate)] is a platelet aggregation inhibitor drug. S-(+)-Clopidogrel bisulfate is prepared by different synthetic approaches in the literature. In almost all the approaches the major impurities known in the literature are also listed in the U.S. pharmacopoeia. The control of these pharmaceutical impurities is currently a critical issue to the pharmaceutical industry. In this article, a description of these impurities and their origins in the S-(+)-clopidogrel bisulfate process are presented along with the preparation of impurity B I·HCl. This study involved multiple reactions and reactants, such as (S)-Methyl 2-amino-2-(2-chlorophenyl)acetate (cas: 141109-14-0Quality Control of (S)-Methyl 2-amino-2-(2-chlorophenyl)acetate).

(S)-Methyl 2-amino-2-(2-chlorophenyl)acetate (cas: 141109-14-0) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. 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 (S)-Methyl 2-amino-2-(2-chlorophenyl)acetate

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

Copper-catalyzed annulation- cyanotrifluoromethylation of 1,6-enynes toward 1-indanones via a radical process was written by Zhang, Tian-Shu;Hao, Wen-Juan;Cai, Pei-Jun;Li, Guigen;Tu, Shu-Jiang;Jiang, Bo. And the article was included in Frontiers in Chemistry (Lausanne, Switzerland) in 2020.Reference of 1186603-47-3 The following contents are mentioned in the article:

A new Cu(II)-catalyzed annulation-cyanotrifluoromethylation of 1,6-enynes with Togni′s reagent and trimethylsilyl cyanide (TMSCN) has been established, enabling the direct construction of trifluoromethylated 1-indanones with an all-carbon quaternary center in good yields. This reaction was performed by using low-cost Cu(OTf)₂ as the catalyst and Togni′s reagent as both the radical initiator and a CF₃ source, providing an efficient protocol for building up an 1-indanone framework with wide functional group compatibility. The reaction mechanism was proposed through a radical triggered addition/5-exo-dig cyclization/oxidation/nucleophilic cascade. This study involved multiple reactions and reactants, such as 5-Chloro-2-(phenylethynyl)benzaldehyde (cas: 1186603-47-3Reference of 1186603-47-3).

5-Chloro-2-(phenylethynyl)benzaldehyde (cas: 1186603-47-3) 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. 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.Reference of 1186603-47-3

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

A new route to functional polymers: Synthesis of functional polymer-supported esters from a weak acid ion exchange resin was written by Hodge, Philip;Houghton, Mark P.;Chakiri, Abdel. And the article was included in Reactive & Functional Polymers in 2012.Application of 6294-17-3 The following contents are mentioned in the article:

Treatment of Amberlite IRC-50, a weak acid cation exchange resin containing methacrylic acid residues, with tetra-n-butylammonium hydroxide or benzyltrimethylammonium hydroxide gives the corresponding polymer-supported quaternary ammonium salts. These react smoothly, in nucleophilic substitution reactions, with a range of alkyl halides or sulfonates to give side chain esters with saturated hydrocarbon groups, with quaternary ammonium or sulfonate salt groups, with halide or alc. groups at the terminus of spacer chains, with 1,2-diol groups, with acetylenic groups or with anthracene residues. These polymer-supported species have a variety of potential applications. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3Application of 6294-17-3).

1-Bromo-6-chlorohexane (cas: 6294-17-3) 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.Application of 6294-17-3

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

Modified reverse micelle method as facile way to obtain several gold nanoparticle morphologies was written by Gutierrez, Jorge A.;Silber, Juana J.;Falcone, R. Dario;Correa, N. Mariano. And the article was included in Journal of Molecular Liquids in 2021.Quality Control of N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride The following contents are mentioned in the article:

Herein, we report a simple modified methodol. based on cationic reverse micelles to form gold nanoparticles (AuNPs) with different morphologies and surface plasmon resonance (SPR) according to the phototherapeutic window (650-850 nm), to be applied in nanomedicine. In this sense, with available and simple changes, it was possible to obtain triangles, rods, spheres, truncated-decahedrons, and rings of gold nanoparticles. These structures were obtained with clear crystallinity changes on the different faces in the same solution, with two well-defined and intense absorption bands, which are interesting and applicable in cancer treatments through photothermic therapy. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Quality Control of N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) 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.Quality Control of N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride

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

Experimental work on decontamination of wastewaters containing organic dye by liquid phase micro extraction method was written by Abbasi, Ali;Seifollahi, Zahra;Rahbar-Kelishami, Ahmad. And the article was included in Separation Science and Technology in 2021.Quality Control of N-Methyl-N,N-dioctyloctan-1-aminium chloride The following contents are mentioned in the article:

Nowadays, the innovative processes for refining industrial dye wastewater are often used to reduce the toxicity of these pollutants due to satisfy the treatment standards This paper presents a study on the removal of methylene blue (MB) and thymol blue (TB) dyes from contaminated water using a mono-and di-ester mixture(MDEHPA) as the extractant in a Y-Y junction microchannel. Operating parameters such as aqueous solution pH, and extractant and residence time were optimized. The maximum rates of TB and MB extraction were achieved to be 97.9% and 98.4%, resp. Mass transfer performance is surveyed using overall volumetric mass transfer coefficient determination (ka). This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Quality Control 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. Organic chlorides are compounds containing a carbon-chlorine bond, which are widely used in the oil field as a wax dissolver. 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.Quality Control of N-Methyl-N,N-dioctyloctan-1-aminium chloride

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

Synthesis of pyrazolines, isoxazolines, and aminopyrimidines as biological potent agents was written by Solankee, Anjani;Thakor, Indrajit. And the article was included in Indian Journal of Chemistry in 2006.SDS of cas: 2272-40-4 The following contents are mentioned in the article:

Chalcones, 2-(phenylamino)-4-(4-fluorophenylamino)-6-[4-(3-aryl-1-oxoprop-2-enyl)phenylamino]-s-triazines were prepared from 4-[4-(4-fluorophenylamino)-6-(phenylamino)-1,3,5-triazin-2-yl]acetophenone. These chalcones give the corresponding pyrazolines, isoxazolines, and aminopyrimidines on cyclization with N₂H₄.H₂O, NH₂OH.HCl, and guanidine nitrate, resp. Antimicrobial activities of all synthesized compounds were screened by the cupplate method against bacteria and by the poisoned food technique against fungi. The constitutions of newly synthesized compounds were established by elemental anal., IR, and ¹H NMR. This study involved multiple reactions and reactants, such as 4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4SDS of cas: 2272-40-4).

4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4) 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. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.SDS of cas: 2272-40-4

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

Selective α-Methylation of Aryl Ketones Using Quaternary Ammonium Salts as Solid Methylating Agents was written by Templ, Johanna;Schnuerch, Michael. And the article was included in Journal of Organic Chemistry in 2022.Category: chlorides-buliding-blocks The following contents are mentioned in the article:

The use of Ph trimethylammonium iodide (PhMe₃NI) as an alternative methylating agent for introducing a CH₃ group in α-position to a carbonyl group was described. Compared to conventional methylating agents, quaternary ammonium salts had the advantages of being nonvolatile, noncancerogenic and easy-to-handle solids. This regioselective method was characterized by ease of operational setup, use of anisole as green solvent and yields alkylated aryl ketones RC(O)CH(R¹)R² [R = Ph, 4-BrC₆H₄, 3-MeOC₆H₄, etc.; R¹ = Me, Et, Bn; R² = Ph, 4-MeC₆H₄, 4-FC₆H₄, etc.] up to 85%. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Category: chlorides-buliding-blocks).

Tetramethylammonium chloride (cas: 75-57-0) 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.Category: chlorides-buliding-blocks

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

Mechanistic insights of molecular metal polyselenides for catalytic hydrogen generation was written by Elliott, Alexander;McAllister, James;Masaityte, Liudvika;Segado-Centellas, Mireia;Long, De-Liang;Ganin, Alexey Y.;Song, Yu-Fei;Bo, Carles;Miras, Haralampos N.. And the article was included in Chemical Communications (Cambridge, United Kingdom) in 2022.Safety of Tetramethylammonium chloride The following contents are mentioned in the article:

Mol. metal chalcogenides have attracted great attention as electrocatalysts for the hydrogen evolution reaction (HER). However, efficient utilization of the active sites and catalytic performance modulation has been challenging. Here we explore the design of immobilized mol. molybdenum polyselenides [Mo₂O₂S₂(Se₂)(Sex)]^2- that exhibit efficient hydrogen evolution at low overpotential and stability over 1000 cycles. D. functional calculations provide evidence of a unimol. mechanism in the HER process via the exploration of viable reaction pathways. The discussed findings are of a broad interest in the development of efficient mol. electrocatalytic materials. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Safety of Tetramethylammonium chloride).

Tetramethylammonium chloride (cas: 75-57-0) 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.Safety of Tetramethylammonium chloride

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

Synthesis and structure-activity study of fungicidal anilinopyrimidines leading to mepanipyrim (KIF-3535) as an anti-Botrytis agent was written by Nagata, Toshihiro;Masuda, Katsumi;Maeno, Shinichiro;Miura, Ichiro. And the article was included in Pest Management Science in 2004.SDS of cas: 2272-40-4 The following contents are mentioned in the article:

A series of 2-anilinopyrimidines was prepared and their fungicidal activities against Botrytis cinerea were examined The activity fell sharply with any substitution on the anilinobenzene ring. Substitutions at the 5-position of the pyrimidine ring greatly reduced the activity. Substituents such as chloro, methoxy, methylamino, Me or 1-propynyl were well tolerated at the 4- and 6-positions of the pyrimidine ring. Among these substituents, the combination of Me and 1-propynyl groups was the most favorable. 2-Anilino-4-methyl-6-(1-propynyl)pyrimidine (KIF-3535), which showed excellent activity and no significant phytotoxicity, was finally selected for development and has been given the common name mepanipyrim. This study involved multiple reactions and reactants, such as 4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4SDS of cas: 2272-40-4).

4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4) 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.SDS of cas: 2272-40-4

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

An efficient route to diverse H-pyrazolo[5,1-a]isoquinolines via sequential multi-component/cross-coupling reactions was written by Yu, Xingxin;Pan, Xiaolin;Wu, Jie. And the article was included in Tetrahedron in 2011.Synthetic Route of C15H9ClO The following contents are mentioned in the article:

Multi-component reaction of 2-alkynylbenzaldehyde, sulfonohydrazide, electrophile (bromine or iodine), and ketone or aldehyde under mild conditions proceeds smoothly to afford the functionalized H-pyrazolo[5,1-a]isoquinolines in good yields. E.g., reaction of 2-(PhCC)C₆H₄CHO, TsNHNH₂, butanal, and Br₂ gave 45% H-pyrazolo[5,1-a]isoquinoline I. This one-pot process involves intermol. condensation, electrophilic cyclization, nucleophilic addition, intramol. condensation, and aromatization. The resulting halo-containing H-pyrazolo[5,1-a]isoquinolines could be further elaborated via palladium-catalyzed cross-coupling reactions with arylboronic acids. This study involved multiple reactions and reactants, such as 5-Chloro-2-(phenylethynyl)benzaldehyde (cas: 1186603-47-3Synthetic Route of C15H9ClO).

5-Chloro-2-(phenylethynyl)benzaldehyde (cas: 1186603-47-3) 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. 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 C15H9ClO

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