Category: chlorides-buliding-blocks

Electrode modified with nitrogen-doped graphene quantum dots supported in chitosan for triclocarban monitoring was written by Santana, Edson R.;Martins, Eduardo C.;Spinelli, Almir. And the article was included in Microchemical Journal in 2021.Product Details of 101-20-2 This article mentions the following:

Triclocarban is an antimicrobial agent frequently used in personal care products with potential activity for endocrine disrupting, and hence its monitoring is particularly important. A sensitive anal. tool was developed for electroanal. of triclocarban by modifying a glassy carbon substrate with nitrogen-doped graphene quantum dots immobilized in chitosan. Electron microscopy results showed that the synthesized quantum dots had a diameter of 4.5 nm. The doping with nitrogen in the graphene matrix was confirmed by spectroscopic techniques. Electrochem. techniques showed excellent triclocarban oxidation current responses provided by the modified electrode compared to the bare electrode. The calibration plot for triclocarban was constructed in 0.1 mol L^-1 phosphate buffer (pH 7.0):ethanol (95:5 volume/volume) in the range of 0.05 to 8.0μmol L^-1 with limits of detection and quantification of 17.0 and 57.0 nmol L^-1, resp. The modified electrode was effectively implemented in the quantification of triclocarban in personal care products with recoveries data in the range of 90 to 109%. Furthermore, the modified electrode was applied in the simultaneous determination of triclosan (+0.60 V) and triclocarban (+0.95 V) with limits of detection of 14.0 and 21.0 nmol L^-1, resp. The application was carried out in surface water samples with excellent accuracy indicated by recovery data in the range of 93 to 110%. In the experiment, the researchers used many compounds, for example, 1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea (cas: 101-20-2Product Details of 101-20-2).

1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea (cas: 101-20-2) 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. Organochlorine compounds are lipophylic, meaning they are more soluble in fat than in water. This gives them a high tenancy to accumulate in the food chain (biomagnification).Product Details of 101-20-2

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

Reactions of 3-R-5-nitropyridines with nucleophiles: Nucleophilic substitution vs conjugate addition was written by Bastrakov, Maxim A.;Nikol’skiy, Vladislav V.;Starosotnikov, Alexey M.;Fedyanin, Ivan V.;Shevelev, Svyatoslav A.;Knyazev, Daniil A.. And the article was included in Tetrahedron in 2019.Related Products of 59237-53-5 This article mentions the following:

A number of 3-R-5-nitropyridines I (R¹ = H, NO₂, Cl, Br, C(O)OMe) were synthesized and their reactions with various types of nucleophiles such as OMe, N₃, furan-2-ylmethylsulfanyl, cyclohexylsulfanyl, etc. were investigated. The reaction outcome depends on the nature of a nucleophile, where, in case of anionic O-, N- and S-nucleophiles, the previously unreported substitution of non-activated nitro group occurred while carbon nucleophiles underwent dearomatization of the pyridine ring with the formation of products of 1,2-I (R¹ = 4-hydroxy-3,5-dimethylphenyl, 2-cyclopropyl-2-oxoethyl, 3,3-dimethyl-2-oxobutyl, 1H-indol-3-yl, etc.) and 1,4-addition II (R² = Me, cyclopropyl, t-Bu, Ph, etc.). In the experiment, the researchers used many compounds, for example, Methyl 6-chloro-5-nitronicotinate (cas: 59237-53-5Related Products of 59237-53-5).

Methyl 6-chloro-5-nitronicotinate (cas: 59237-53-5) 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. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Related Products of 59237-53-5

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

Design, synthesis, structural optimization, SAR, in silico prediction of physicochemical properties and pharmacological evaluation of novel & potent thiazolo[4,5-d]pyrimidine corticotropin releasing factor (CRF) receptor antagonists was written by Islam, Rabiul Md;Teleb, Mohamed;Karageorgos, Vlasios;Sakellaris, Stelios;Papadopoulos, Minas;Pirmettis, Ioannis;Fronczek, Frank R.;Liapakis, George;Fahmy, Hesham. And the article was included in European Journal of Pharmaceutical Sciences in 2022.Reference of 6590-96-1 This article mentions the following:

Corticotropin-releasing factor (CRF) is a 41-amino-acid neuropeptide secreted from the hypothalamus and is the main regulator of the hypothalamus-pituitary-adrenocortical (HPA) axis. CRF is the master hormone which modulates physiol. and behavioral responses to stress. Many disorders including anxiety, depression, addictive disorders and others are related to over activation of the CRF system. This suggests that new mols. which can interfere with CRF binding to its receptors may be potential candidates for neuropsychiatric drugs to treat stress-related disorders. Previously, three series of pyrimidine and fused pyrimidine CRF1 receptor antagonists were synthesized by our group and specific binding assays, competitive binding studies and determination of the ability to antagonize the agonist-stimulated accumulation of cAMP (the second messenger for CRF receptors) were reported. In continuation of our efforts in this direction, in the current manuscript, we report the synthesis & biol. evaluation of a new series of CRF1 receptor antagonists. Seven compounds showed promising binding affinity with the best two compounds (compounds 6 & 43) displaying a superior binding affinity to all of our previous compounds Compounds 6 & 43 have only 4 times and 2 times less binding affinity than the standard CRF antagonist antalarmin, resp. Thus, our two best lead compounds (compound 6 & 43) can be considered potent CRF receptor antagonists with binding affinity of 41.0 & 19.2 nM vs. 9.7 nM for antalarmin. In the experiment, the researchers used many compounds, for example, 2,4-Dichlorophenylisothiocyanate (cas: 6590-96-1Reference of 6590-96-1).

2,4-Dichlorophenylisothiocyanate (cas: 6590-96-1) 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. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Reference of 6590-96-1

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

Stereospecific addition of carbon and nitrogen nucleophiles to dicyclopentadieneplatinum and -palladium complexes was written by Stille, John K.;Fox, Dale B.. And the article was included in Journal of the American Chemical Society in 1970.Computed Properties of C10H10Cl2Pt This article mentions the following:

The nucleophilic additions of acetylacetone, Et acetoacetate, diethyl malonate, or PhCH2NH2 to the double bond of dichloro(endo-dicyclopentadiene)platinum(II) and of thallous acetylacetone to dichloro(endo-dicyclopentadiene)palladium(II) produced platinum- and palladium-carbon σ-bonded complexes. The trans additions take place at the 5,6-double bond without skeletal rearrangement of the dicyclopentadiene moiety; the nucleophile is attached exo with the metal endo and coordinated to the 2,3-double bond. In the experiment, the researchers used many compounds, for example, Dichlorodi(cyclopenta-1,3-dien-1-yl)platinate(II) (cas: 12083-92-0Computed Properties of C10H10Cl2Pt).

Dichlorodi(cyclopenta-1,3-dien-1-yl)platinate(II) (cas: 12083-92-0) 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.Computed Properties of C10H10Cl2Pt

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

Targeting the HSP60/10 chaperonin systems of Trypanosoma brucei as a strategy for treating African sleeping sickness was written by Abdeen, Sanofar;Salim, Nilshad;Mammadova, Najiba;Summers, Corey M.;Goldsmith-Pestana, Karen;McMahon-Pratt, Diane;Schultz, Peter G.;Horwich, Arthur L.;Chapman, Eli;Johnson, Steven M.. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2016.Application In Synthesis of 3-(Trifluoromethyl)benzene-1-sulfonyl chloride This article mentions the following:

Trypanosoma brucei are protozoan parasites that cause African sleeping sickness in humans (also known as Human African Trypanosomiasis-HAT). Without treatment, T. brucei infections are fatal. There is an urgent need for new therapeutic strategies as current drugs are toxic, have complex treatment regimens, and are becoming less effective owing to rising antibiotic resistance in parasites. The authors hypothesize that targeting the HSP60/10 chaperonin systems in T. brucei is a viable anti-trypanosomal strategy as parasites rely on these stress response elements for their development and survival. The authors recently discovered several hundred inhibitors of the prototypical HSP60/10 chaperonin system from Escherichia coli, termed GroEL/ES. One of the most potent GroEL/ES inhibitors the authors discovered was compound (I). While examining the PubChem database, the authors found that a related analog, 4-methyl-N-(4-(5-((4-methylphenyl)sulfonamido)benzo[d]oxazol-2-yl)phenyl)benzenesulfonamide (2e-p), exhibited cytotoxicity to Leishmania major promastigotes, which are trypanosomatids highly related to Trypanosoma brucei. Through initial counter-screening, the authors found that compounds (I) and 2e-p were also cytotoxic to Trypanosoma brucei parasites (EC₅₀ = 7.9 and 3.1 μM, resp.). These encouraging initial results prompted the authors to develop a library of inhibitor analogs and examine their anti-parasitic potential in vitro. Of the 49 new chaperonin inhibitors developed, 39% exhibit greater cytotoxicity to T. brucei parasites than parent compound (I). While many analogs exhibit moderate cytotoxicity to human liver and kidney cells, the authors identified mol. substructures to pursue for further medicinal chem. optimization to increase the therapeutic windows of this novel class of chaperonin-targeting anti-parasitic candidates. An intriguing finding from this study is that suramin, the first-line drug for treating early stage T. brucei infections, is also a potent inhibitor of GroEL/ES and HSP60/10 chaperonin systems. In the experiment, the researchers used many compounds, for example, 3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6Application In Synthesis of 3-(Trifluoromethyl)benzene-1-sulfonyl chloride).

3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6) 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.Application In Synthesis of 3-(Trifluoromethyl)benzene-1-sulfonyl chloride

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

Azo-functionalized microporous organic polymers: synthesis and applications in CO₂ capture and conversion was written by Yang, Zhenzhen;Zhang, Hongye;Yu, Bo;Zhao, Yanfei;Ma, Zhishuang;Ji, Guipeng;Han, Buxing;Liu, Zhimin. And the article was included in Chemical Communications (Cambridge, United Kingdom) in 2015.Product Details of 698-01-1 This article mentions the following:

Azo-functionalized MOPs (Azo-MOPs) were synthesized via oxidative polymerization of aromatic amines catalyzed by t-BuOCl/NaI (25 °C, 1 h, yield: >95%), which displayed an excellent coordinating ability with a Ru complex. The resulting Ru-coordinated Azo-MOPs displayed high CO₂ capacity and high performances for catalyzing the methylation of amines with CO₂ under low pressure (0.5 MPa). In the experiment, the researchers used many compounds, for example, 2-Chloro-N,N-dimethylaniline (cas: 698-01-1Product Details of 698-01-1).

2-Chloro-N,N-dimethylaniline (cas: 698-01-1) 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. 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.Product Details of 698-01-1

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

Scalable Methodology for the Catalytic, Asymmetric α-Bromination of Acid Chlorides was written by Dogo-Isonagie, Cajetan;Bekele, Tefsit;France, Stefan;Wolfer, Jamison;Weatherwax, Anthony;Taggi, Andrew E.;Lectka, Thomas. And the article was included in Journal of Organic Chemistry in 2006.Reference of 6834-42-0 This article mentions the following:

The optimization of a practical, catalytic, asym. process for the α-bromination of acid chlorides to produce synthetically versatile, optically active α-bromo esters was reported. A range of products was produced in high enantioselectivity and moderate to good chem. yields with retention of both upon scale-up. The reactions were catalyzed by cinchona alkaloid derivatives with the best performance achieved by the use of a proline cinchona alkaloid conjugate designed in a de novo fashion. Thus, PhCH₂COCl in THF containing NaH, 15-crown-5, and the ester of N-Boc-proline with quinine at -78° reacted with 1,1,3,6-tetrabromo-2(1H)-naphthalenone for five hours to give 55% of the tribromonaphthyl bromophenylacetate I with 99% enantiomeric excess. In the experiment, the researchers used many compounds, for example, 2-(3-Methoxyphenyl)acetyl chloride (cas: 6834-42-0Reference of 6834-42-0).

2-(3-Methoxyphenyl)acetyl chloride (cas: 6834-42-0) 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. 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.Reference of 6834-42-0

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

Halogenated carbonyl ylides in the reactions of mercurial dihalocarbene precursors with substituted benzaldehydes was written by Martin, Charles W.;Lund, Paul R.;Rapp, Erich;Landgrebe, John A.. And the article was included in Journal of Organic Chemistry in 1978.Computed Properties of C9H9ClO2 This article mentions the following:

The reactions of PhHgCBrCl₂ (I) with RC₆H₄CHO [R = H (II), 3-CF₃ (III), 4-MeO (IV)] and 2,4,6-Me₃C₆H₂CHO were studied. Relative reactivities with respect to I were III (0.08), II (0.3), BuCH:CH₂ (0.3), IV (0.9), cyclohexene (1.0), and Me₂C:CMe₂ (15.0). Complexation between I and the aldehyde enhanced the rate of decomposition of I to produce :CCl₂ of the same reactivity as that from I alone. The intermediacy of dichlorocarbonyl ylides was proposed. In the experiment, the researchers used many compounds, for example, Methyl 2-chloro-2-phenylacetate (cas: 7476-66-6Computed Properties of C9H9ClO2).

Methyl 2-chloro-2-phenylacetate (cas: 7476-66-6) 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.Computed Properties of C9H9ClO2

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

Factorial design, physical studies and rapid arsenic adsorption using newly prepared polymer modified perlite adsorbent was written by Saleh, Tawfik A.;Tuzen, Mustafa;Sar, Ahmet;Altunay, Nail. And the article was included in Chemical Engineering Research and Design in 2022.Recommanded Product: Trimesoylchloride This article mentions the following:

In this work, expanded perlite (EP) was modified with a polymer of trimesoyl chloride and phenylenediamine, and evaluated as a novel competent adsorbent for aquatic arsenic (As(III)) removal. The chem. structure and morphol. of the developed polymer-modified EP (PM-EP) adsorbent were investigated by Fourier transform IR spectroscopy, as well as scanning electron microscope /energy equipped with dispersive X-ray spectroscope. The conditions of batch removal such as the solution pH, contact time, sorbent dosage, and initial As(III) concentration were analyzed by factorial design. Based on the non-linear and linear Langmuir model that well correlates equilibrium data, the removal capacity of the produced PM-EP adsorbent was estimated as 447.9 mg g^-1 and 454.5 mg g^-1, resp. at optimized conditions (pH: 6; contact time: 60 min; adsorbent dosage: 10 g L^-1 and temperature: 24°C). The As(III) adsorption mechanism onto PM-EP adsorbent was well described by the non-linear pseudo-second-order kinetic model. The prepared PM-EP adsorbent was subjected to a ten cycling-adsorption/desorption test and the results demonstrated that it had appreciated reuse performance until seven cycles. The removal efficiency of PM-EP was determined in the case of wastewater samples. The overall evaluation suggested that the synthesized PM-EP adsorbent could be a powerful alternative adsorbent for decontamination of As(III) ions from wastewaters and drinking waters. In the experiment, the researchers used many compounds, for example, Trimesoylchloride (cas: 4422-95-1Recommanded Product: Trimesoylchloride).

Trimesoylchloride (cas: 4422-95-1) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. Organochlorine compounds are lipophylic, meaning they are more soluble in fat than in water. This gives them a high tenancy to accumulate in the food chain (biomagnification).Recommanded Product: Trimesoylchloride

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

Ni-Catalyzed Enantioselective Benzylation of Secondary Phosphine Oxide was written by Cai, Wen-Qiang;Wei, Qi;Zhang, Qing-Wei. And the article was included in Organic Letters in 2022.Product Details of 620-19-9 This article mentions the following:

A nickel-catalyzed benzylic substitution of secondary phosphine oxide was described, affording the dialkylated P-stereogenic tertiary phosphine oxides with high to excellent enantioselectivities. The reaction was performed under mild conditions with com. available benzyl chlorides and bench stable secondary phosphine oxides, exhibiting broad functional group tolerance. It represented a practical example for the preparation of P-stereogenic phosphine compounds In the experiment, the researchers used many compounds, for example, 1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9Product Details of 620-19-9).

1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9) 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.Product Details of 620-19-9

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