Category: chlorides-buliding-blocks

In 2019,Organic Letters included an article by Chen, Zhixiang; Ma, Dawei. COA of Formula: C3H3ClO3. The article was titled 《Cu/N,N’-Dibenzyloxalamide-Catalyzed N-Arylation of Heteroanilines》. The information in the text is summarized as follows:

N,N’-Dibenzyloxalamide (DBO) was identified as a powerful ligand for promoting Cu-catalyzed coupling of heteroanilines with (hetero)aryl halides. For (hetero)aryl chlorides, the coupling reaction occurred at 130 °C with 5 mol % CuBr and 10 mol % DBO. For (hetero)aryl bromides/iodides, coupling reaction took place at 80-100 °C with 1 mol % CuI and 2 mol % DBO. A variety of heteroanilines worked well to afford the arylation products in good to excellent yields. The experimental process involved the reaction of Methyl 2-chloro-2-oxoacetate(cas: 5781-53-3COA of Formula: C3H3ClO3)

Methyl 2-chloro-2-oxoacetate(cas: 5781-53-3) belongs to acyl chlorides. In the laboratory, acyl chlorides are generally prepared by treating carboxylic acids with thionyl chloride (SOCl2). The reaction is catalyzed by dimethylformamide and other additives.COA of Formula: C3H3ClO3

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

The author of 《Pd/Xiang-Phos-catalyzed enantioselective intermolecular carboheterofunctionalization under mild conditions》 were Tao, Mengna; Tu, Youshao; Liu, Yu; Wu, Haihong; Liu, Lu; Zhang, Junliang. And the article was published in Chemical Science in 2020. Synthetic Route of C18H24Cl2N2Pd2 The author mentioned the following in the article:

A mild and practical Pd/Xiang-Phos-catalyzed enantioselective intermol. carboheterofunctionalization reaction of 2,3-dihydrofurans I (R = H, 4-MeC6H4, quinolin-2-yl, benzofuran-5-yl, 4-MeO2CC6H4) was developed, leading to various optically active fused furoindolines II (R1 = H, F, Me, R2 = H, Cl, Me, CF3, etc., R3 = H, F, MeO2C, Me, etc., R4 = H, F, R1R2 = -N=CHCH=N-, PG = Ts, SO2Ph), III (R = 4-MeC6H4, 4-MeO2CC6H4, benzofuran-5-yl), and tetrahydrofurobenzofurans IV (R5 = H, F, Me, OMe, R6 = H, F, Me, R7 = H, F, OMe) and V (R = 4-MeC6H4, 4-MeO2C6H4, benzofuran-5-yl, quinolin-2-yl, H). The key to this transformation is employing two newly modified N-Me-Xiang-Phos ligands (S,RS)-VI (Ar = Ph, 3,5-(tert-Bu)2-4-MeOC6H2) as chiral ligands under mild conditions. Moreover, this synthetic methodol. can be efficiently applied to a variety of complex polysubstituted heterocycles with high chemo-, regio-, and enantio-selectivities via introducing diverse substituents on furan rings, which were hard to access by other routes. After reading the article, we found that the author used Di-μ-chlorobis[2-[(dimethylamino)methyl]phenyl-C,N]dipalladium(II)(cas: 18987-59-2Synthetic Route of C18H24Cl2N2Pd2)

Di-μ-chlorobis[2-[(dimethylamino)methyl]phenyl-C,N]dipalladium(II)(cas: 18987-59-2) belongs to organochlorine compounds. Many organochlorine compounds have been isolated from natural sources ranging from bacteria to humans. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Synthetic Route of C18H24Cl2N2Pd2

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

The author of 《Heavier chalcogenone complexes of bismuth(III)trihalides: potential catalysts for acylative cleavage of cyclic ethers》 were Srinivas, Katam; Suresh, Paladugu; Babu, Chatla Naga; Sathyanarayana, Arruri; Prabusankar, Ganesan. And the article was published in RSC Advances in 2015. Computed Properties of C6H11ClO3 The author mentioned the following in the article:

Heavier chalcogenones (S, Se and Te) of imidazole act as versatile ligands to yield a series of mononuclear and dinuclear bismuth(III)complexes of heavier chalcogenones in excellent yield. These new bismuth heavier chalcogen derivatives are the first structurally characterized mols., where the bismuth and heavier chalcogen ratio is 1 : 1. There is only one previous report of a crystal structure of a bismuth(III)-imidazol selone compound and none with bismuth(III)-imidazol tellone. The bismuth center in monomeric bismuth chalcogen trihalides depicts pseudo trigonal bipyramidal geometry, while the dimeric bismuth chalcogen trihalides demonstrate distorted square pyramidal geometry. The solid state structures of bismuth chalcogenone derivatives feature rare Bi···π(aryl) interactions. Thus, the centroid of the C6-ring suggests a half sandwich type of bismuth environment in mononuclear and dinuclear bismuth(III) chalcogenone complexes. Notably, the Bi···π(aryl) interaction is not often noticed for mononuclear bismuth chalcogen compounds Some of the bismuth(III) chalcogenone complexes also exhibit C-H···π(aryl), C-H···S and C-H···Cl types of hydrogen bonding. The bismuth-chalcogen bond distance in mononuclear bismuth(III) tribromide chalcogenone complexes is slightly longer than in mononuclear bismuth(III) trichloride chalcogenone complexes. A gradual increase in carbon-chalcogen bond distance was observed from the free imidazole-chalcogenone to mononuclear bismuth(III) trichloride chalcogenones, dinuclear bismuth(III) trichloride chalcogenones and mononuclear bismuth(III) tribromide chalcogenones and dinuclear bismuth(III) tribromide chalcogenones. The UV-vis absorption properties and thermal decomposition properties of imidazol chalcogenones and their bismuth derivatives were investigated. Furthermore, the O-acylative cleavage of cyclic ethers was demonstrated using mononuclear and dinuclear bismuth(III) complexes of heavier chalcogenones as catalysts. In contrast to bismuth(III) trichloride and bismuth(III) tribromide catalysts, mononuclear and dinuclear bismuth(III) complexes of heavier chalcogenones are very active towards an acylative cleavage of cyclic ethers through a mild and regioselective strategy. In particular, mononuclear imidazolthione-bismuth(III) trichloride is very active towards O-acylative cleavage of 2-Me THF. The experimental part of the paper was very detailed, including the reaction process of 2-(2-Chloroethoxy)ethyl acetate(cas: 14258-40-3Computed Properties of C6H11ClO3)

2-(2-Chloroethoxy)ethyl acetate(cas: 14258-40-3) belongs to aliphatic hydrocarbons. Aliphatic hydrocarbons belong to the most abundant fraction in crude oil. Aliphatics molecules are linear or branched open-chain structures such as n-alkanes, isoalkanes, cycloalkanes (naphthenes), terpenes and steranes.Computed Properties of C6H11ClO3

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

The author of 《A novel series of [1,2,4]triazolo[4,3-a]pyridine sulfonamides as potential antimalarial agents: in silico studies, synthesis and in vitro evaluation》 were Karpina, Veronika R.; Kovalenko, Svitlana S.; Kovalenko, Sergiy M.; Drushlyak, Oleksandr G.; Bunyatyan, Natalya D.; Georgiyants, Victoriya A.; Ivanov, Vladimir V.; Langer, Thierry; Maes, Louis. And the article was published in Molecules in 2020. SDS of cas: 620-20-2 The author mentioned the following in the article:

For the development of new and potent antimalarial drugs, the virtual library with three points of randomization of novel [1,2,4]triazolo[4,3-a]pyridines bearing a sulfonamide fragment, e.g., I has been described. The library of 1561 compounds has been investigated by both virtual screening and mol. docking methods using falcipain-2 as a target enzyme. 25 Chosen hits were synthesized and evaluated for their antimalarial activity in vitro against Plasmodium falciparum. 3-Ethyl-N-(3-fluorobenzyl)-N-(4-methoxyphenyl)-[1,2,4]triazolo[4,3-a]pyridine-6-sulfonamide and 2-(3-chlorobenzyl)-8-(piperidin-1-ylsulfonyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one showed in vitro good antimalarial activity with inhibitory concentration IC50 = 2.24 and 4.98μM, resp. This new series of compounds may serve as a starting point for future antimalarial drug discovery programs. After reading the article, we found that the author used 3-Chlorobenzylchloride(cas: 620-20-2SDS of cas: 620-20-2)

3-Chlorobenzylchloride(cas: 620-20-2) has been used in the reaction of 3-methoxybenzyl chloride and ethyl 4-bromobenzoate in pure water, using zinc dust and a Pd catalyst.SDS of cas: 620-20-2

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

In 2022,Pharmaceuticals included an article by Juhas, Martin; Bachtikova, Andrea; Nawrot, Daria Elzbieta; Hatokova, Paulina; Pallabothula, Vinod Sukanth Kumar; Diepoltova, Adela; Jandourek, Ondrej; Barta, Pavel; Konecna, Klara; Paterova, Pavla; Sestak, Vit; Zitko, Jan. Product Details of 6313-54-8. The article was titled 《Improving Antimicrobial Activity and Physico-Chemical Properties by Isosteric Replacement of 2-Aminothiazole with 2-Aminooxazole》. The information in the text is summarized as follows:

Antimicrobial drug resistance is currently one of the most critical health issues. Pathogens resistant to last-resort antibiotics are increasing, and very few effective antibacterial agents have been introduced in recent years. The promising drug candidates are often discontinued in the primary stages of the drug discovery pipeline due to their unspecific reactivity (PAINS), toxicity, insufficient stability, or low water solubility In this work, we investigated a series of substituted N-oxazolyl- and N-thiazolylcarboxamides of various pyridinecarboxylic acids. Final compounds were tested against several microbial species. In general, oxazole-containing compounds showed high activity against mycobacteria, especially Mycobacterium tuberculosis (best MICH37Ra = 3.13 μg/mL), including the multidrug-resistant strains. Promising activities against various bacterial and fungal strains were also observed None of the compounds was significantly cytotoxic against the HepG2 cell line. Exptl. measurement of lipophilicity parameter log k′w and water solubility (log S) confirmed significantly (typically two orders in logarithmic scale) increased hydrophilicity/water solubility of oxazole derivatives in comparison with their thiazole isosteres. Mycobacterial β-ketoacyl-acyl carrier protein synthase III (FabH) was suggested as a probable target by mol. docking and mol. dynamics simulations. In the part of experimental materials, we found many familiar compounds, such as 2-Chloroisonicotinic acid(cas: 6313-54-8Product Details of 6313-54-8)

2-Chloroisonicotinic acid(cas: 6313-54-8) belongs to pyridine. Pyridine, its benzo and pyridine-based compounds play diverse roles in organic chemistry. As ligands, solvents, and catalysts they facilitate reactions; thus descriptions of these new ligands and their applications abound each year.Product Details of 6313-54-8

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

In 2019,Chemical Science included an article by Joung, Seewon; Bergmann, Allison M.; Brown, M. Kevin. Quality Control of 3-Chlorobenzylchloride. The article was titled 《Ni-catalyzed 1,2-benzylboration of 1,2-disubstituted unactivated alkenes》. The information in the text is summarized as follows:

Nickel-catalyzed 1,2-carboboration of alkenes is emerging as a useful method for chem. synthesis. Prior studies have been limited to only the incorporation of aryl groups. In this manuscript, a method for the 1,2-benzylboration of unactivated alkenes is presented. The reaction combines readily available alkenes, diboron reagents and benzylchlorides to generate synthetically versatile products with control of stereochem. The utility of the products as well as the mechanistic details of the process are also presented.3-Chlorobenzylchloride(cas: 620-20-2Quality Control of 3-Chlorobenzylchloride) was used in this study.

3-Chlorobenzylchloride(cas: 620-20-2) has been used in the reaction of 3-methoxybenzyl chloride and ethyl 4-bromobenzoate in pure water, using zinc dust and a Pd catalyst.Quality Control of 3-Chlorobenzylchloride

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

El Ashry, E. S. H.; Abdel-Rahman, A. A.-H.; Rashed, N.; Rasheed, H. A. published their research in Pharmazie on December 31 ,1999. The article was titled 《Homoacyclovir analogs of unnatural bases and their activity against hepatitis B virus》.HPLC of Formula: 14258-40-3 The article contains the following contents:

The ambident nucleophilic nature of the sodium salts of 2(1H)-quinoxalinone and 2-phenylphthalazinedione has been realized from their alkylation with 2-(2-chloroethoxy)ethyl acetate to afford N- and O-alkylated derivatives, e.g., I and II. Four addnl. N-alkylated heterocycles were similarly prepared from unnatural bases. Treatment of the alkylated derivatives with methanolic ammonia solution (1:1) at room temperature gave the hydroxyalkyl derivatives The site of alkylation was deduced from the spectral characteristics of the products. The activity of several compounds against hepatitis B virus in HepG2 cells has been tested. Some of the compounds showed high viral replication inhibition with low cytotoxicity. In the experiment, the researchers used many compounds, for example, 2-(2-Chloroethoxy)ethyl acetate(cas: 14258-40-3HPLC of Formula: 14258-40-3)

2-(2-Chloroethoxy)ethyl acetate(cas: 14258-40-3) belongs to aliphatic hydrocarbons. Aliphatic hydrocarbons belong to the most abundant fraction in crude oil. Aliphatics molecules are linear or branched open-chain structures such as n-alkanes, isoalkanes, cycloalkanes (naphthenes), terpenes and steranes.HPLC of Formula: 14258-40-3

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

《Pd-Catalyzed Cross-Coupling of Sb-Aryl Stibines with Halogenomethyl Arenes to Give Unsymmetric Diarylmethanes》 was written by Zhang, Dejiang; Xu, Zhi; Tang, Ting; Le, Liyuan; Wang, Cairong; Kambe, Nobuaki; Qiu, Renhua. Recommanded Product: 622-95-7This research focused onunsym diarylmethane preparation; halogenomethyl arene aryl stibine cross coupling palladium catalyst. The article conveys some information:

Herein, a general method for the synthesis of unsym. diarylmethanes RCH2R1 (R = 4-cyanophenyl, 3-fluorophenyl, 2-chloro-4-fluorophenyl, etc.; R1 = Ph, 4-methoxyphenyl, 3-furanyl, etc.) from (hetero)aryl Me halides RCH2X (X = Br, Cl) and Sb-aryl stibines I was described. This protocol shows a broad substrate scope and a good functional group tolerance. Drug mols., including beclobrate and bifemelane, and drug derivatives, including celecoxib, ibuprofen, and probenecid, were efficiently synthesized on a gram scale. The experimental part of the paper was very detailed, including the reaction process of 1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7Recommanded Product: 622-95-7)

1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7) undergoes carbonylation in the presence of dimer of chloro(1,5-cyclooctadiene)rhodium(I) to yield the corresponding phenylacetic acid.Recommanded Product: 622-95-7 It can be synthesized by reacting 4-chlorobenzyl alcohol with bromodimethylsulfonium bromide (BDMS) It can also be synthesized by refluxing a mixture of 4-chlorobenzaldehyde, chlorotrimethylsilane, 1,1,3,3-tetramethyldisiloxane and lithium bromide.

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

《Ion-Pair Selective Conformational Rearrangement of Sulfonamide Calix[6]arene-Based Pseudorotaxanes》 was written by Cera, Gianpiero; Bazzoni, Margherita; Arduini, Arturo; Secchi, Andrea. Application In Synthesis of 4-Chlorobenzenesulfonyl chlorideThis research focused ontrisulfonamide calixarene viologen ion pair pseudorotaxane conformation. The article conveys some information:

We describe the synthesis of a new class of trisulfonamide calix[6]arene-based wheels that can bind dialkylviologen salts, in apolar media. The threading process occurs through a selective ion-pair recognition, established by the sulfonamide groups with the counterions of the bipyridinium salts, that dictates a conformational rearrangement of the corresponding pseudorotaxanes. In the experiment, the researchers used many compounds, for example, 4-Chlorobenzenesulfonyl chloride(cas: 98-60-2Application In Synthesis of 4-Chlorobenzenesulfonyl chloride)

4-Chlorobenzenesulfonyl chloride(cas: 98-60-2) belongs to organochlorine compounds. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. Application In Synthesis of 4-Chlorobenzenesulfonyl chloride 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.

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

《Highly efficient three-dimensional solar evaporator for high salinity desalination by localized crystallization》 was written by Wu, Lei; Dong, Zhichao; Cai, Zheren; Ganapathy, Turga; Fang, Niocholas X.; Li, Chuxin; Yu, Cunlong; Zhang, Yu; Song, Yanlin. COA of Formula: ClNaThis research focused onwater film solar evaporator salinity desalination crystallization surface morphol. The article conveys some information:

Abstract: Solar-driven water evaporation represents an environmentally benign method of water purification/desalination. However, the efficiency is limited by increased salt concentration and accumulation. Here, we propose an energy reutilizing strategy based on a bio-mimetic 3D structure. The spontaneously formed water film, with thickness inhomogeneity and temperature gradient, fully utilizes the input energy through Marangoni effect and results in localized salt crystallization Solar-driven water evaporation rate of 2.63 kg m-2 h-1, with energy efficiency of >96% under one sun illumination and under high salinity (25 wt% NaCl), and water collecting rate of 1.72 kg m-2 h-1 are achieved in purifying natural seawater in a closed system. The crystalized salt freely stands on the 3D evaporator and can be easily removed. Addnl., energy efficiency and water evaporation are not influenced by salt accumulation thanks to an expanded water film inside the salt, indicating the potential for sustainable and practical applications. In the experimental materials used by the author, we found Sodium chloride(cas: 7647-14-5COA of Formula: ClNa)

Sodium chloride(cas: 7647-14-5) is used in organic synthesis as a water tolerant Lewis acid. It efficiently catalyzes the three-component coupling of β-keto esters, aldehydes and urea (or thiourea) to afford the corresponding dihydropyrimidinones.COA of Formula: ClNa

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