Author: Jessica.F

Regiocontrolled palladium-catalyzed direct C2-arylations of Methoxalen using benzenesulfonyl chlorides and C2,C3-diarylations using aryl bromides as the aryl sources was written by Li, Haoran;Roisnel, Thierry;Soule, Jean-Francois;Doucet, Henri. And the article was included in Tetrahedron Letters in 2020.Synthetic Route of C7H4ClF3O2S This article mentions the following:

Conditions for the regioselective palladium-catalyzed direct C2-arylation and C2,C3-diarylation of methoxalen were described. The use of benzenesulfonyl chlorides as the coupling partner allowed control of the regioselectivity of the arylation in favor of the C2 carbon of methoxalen. This method tolerated a variety of substituents on the benzenesulfonyl chloride derivatives Notably, 2-, 3- and 4-bromobenzenesulfonyl chlorides and 4-iodobenzenesulfonyl chloride were coupled with methoxalen without cleavage of the C-Br or C-I bonds. Conversely, the use of an excess amount of aryl bromides as the aryl source provided access to C2,C3-diarlyated methoxalenes. In the experiment, the researchers used many compounds, for example, 3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6Synthetic Route of C7H4ClF3O2S).

3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6) 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. 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.Synthetic Route of C7H4ClF3O2S

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

Design, synthesis and antitumor study of novel 1,4-bispiperazinecarbodithioic acid [1 -substituted-(1,2,3-triazole)-4]-methyl esters was written by Wang, Mengmeng;Duan, Yingchao;Ye, Xianwei;Ren, Jingli;Yu, Bin;Zhang, En;Liu, Hongmin. And the article was included in Youji Huaxue in 2013.Computed Properties of C7H5ClF2 This article mentions the following:

In order to find novel lead compounds with promising antitumor activity, a series of novel 1,4-bispiperazinecarbodithioic acid [1 -substituted-(1,2,3-triazole)-4]-Me esters were designed and synthesized. Piperazine reacting with CS₂ and propargyl bromide in the presence of Na₃PO₄ · 12H₂O in one pot gave compound 1, which was further reacted with appropriately substituted azide derivatives by click reaction to afford desired target compounds The structures were characterized by ¹H NMR, ¹³C NMR and HRMS. The compounds were evaluated for antitumor activity against four selected human tumor cell lines of EC-9706, MGC-803, SMMC-7721 and MCF-7. Several compounds exhibited moderate to potent activity. Particularly, compound I was more potent than 5-fluorouracil against MGC-803 and SMMC-7721 with IC50 values of 11.15 and 14.75 μmol/L. In the experiment, the researchers used many compounds, for example, 2-(Chloromethyl)-1,3-difluorobenzene (cas: 697-73-4Computed Properties of C7H5ClF2).

2-(Chloromethyl)-1,3-difluorobenzene (cas: 697-73-4) 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.Computed Properties of C7H5ClF2

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

Copper-Catalyzed Alkylarylation of Unactivated Alkenes: Synthesis of 3-Alkyl Indolines from N-Allyl Anilines and Alkanes was written by Liang, Deqiang;Huo, Bojie;Dong, Yongrui;Wang, Yan;Dong, Ying;Wang, Baoling;Ma, Yinhai. And the article was included in Chemistry – An Asian Journal in 2019.Reference of 18437-66-6 This article mentions the following:

A rare example of C(sp³)-H functionalization of simple alkanes with unactivated alkenes was presented. In the presence of a copper salt and di-tert-Bu peroxide (DTBP), N-allyl anilines underwent exo-selective alkylation/cyclization cascade with unactivated alkenic bonds as radical acceptors and simple alkanes as radical precursors, providing a direct access to 3-alkyl indolines I [R = H, 5-Cl, 5-Ph, etc.; R¹ = C(Me)₂CH₂CH₃, cyclopentyl, cyclohexyl, etc.; R² = C(O)Me, Boc, SO₂Et, etc.]. The present protocol featured simple operation, broad substrate scope and great exo selectivity. In the experiment, the researchers used many compounds, for example, tert-Butyl (4-chlorophenyl)carbamate (cas: 18437-66-6Reference of 18437-66-6).

tert-Butyl (4-chlorophenyl)carbamate (cas: 18437-66-6) 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.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.Reference of 18437-66-6

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Asymmetric Synthesis of Spirooxazolidinone Oxindoles by the Thiourea-Catalyzed Aldol Reaction of 2-Isocyanatomalonate Diesters was written by Chen, Xiao-Pan;Liu, Jin-Xin;Li, Hong-Yan;Xiao, You-Cai;Chen, Fen-Er. And the article was included in Advanced Synthesis & Catalysis in 2022.Product Details of 76-83-5 This article mentions the following:

A tertiary amino-thiourea catalyzed asym. aldol reaction between 2-isocyanatomalonate esters and isatins was achieved. Optical active spirooxazolidinone oxindole derivatives I [R = Me, Bn, trityl, etc.; R¹ = H, 4-Me, 5-i-Pr, etc.; R² = Me, Et, Bn, etc.; X = C, N] were obtained with excellent yields (80%-96%) and enantioselectivities (67%-99% ee) under mild conditions, providing an updated example to apply isatins as the electrophile in the asym. aldol reaction with 2-isocyanatomalonate esters. In the experiment, the researchers used many compounds, for example, (Chloromethanetriyl)tribenzene (cas: 76-83-5Product Details of 76-83-5).

(Chloromethanetriyl)tribenzene (cas: 76-83-5) 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. 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 76-83-5

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

Synthesis of β-Keto Sulfones by Oxy-Sulfonylation of Alkynes in HFIP was written by Chen, Xingyu;Lu, Sixian;Zheng, Yuyan;Wang, Jigang;Yang, Lan;Sun, Peng. And the article was included in Advanced Synthesis & Catalysis in 2022.Recommanded Product: 777-44-6 This article mentions the following:

Herein, authors have established a method for the construction of β-keto sulfones through aerobic oxy-sulfonylation of alkynes with sulfinates. The reaction performed employing air as the oxidant and oxygen source. Moreover, this protocol exhibits low consume of sulfinates, short reaction period, and minimal waste. Mechanism study and d. functional theory (DFT) calculation showed that the solvent played a significant role in the transformation. In the experiment, the researchers used many compounds, for example, 3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6Recommanded Product: 777-44-6).

3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6) 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.Recommanded Product: 777-44-6

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

Synthesis and biological evaluation of new pyrazol-4-ylpyrimidine derivatives as potential ROS1 kinase inhibitors was written by Abdelazem, Ahmed Z.;Al-Sanea, Mohammad M.;Park, Byung Sun;Park, Hye Mi;Yoo, Kyung Ho;Sim, Taebo;Park, Jong Bae;Lee, Seung-Hoon;Lee, So Ha. And the article was included in European Journal of Medicinal Chemistry in 2015.SDS of cas: 85953-29-3 This article mentions the following:

With the aim of discovering potent and selective kinase inhibitors targeting ROS1 kinase, we designed, synthesized and screened a series of new pyrazol-4-ylpyrimidine derivatives based on our previously discovered lead compound KIST301072. Compounds I (R’ = H, Me) showed good to excellent activities against ROS1 kinase, and seven out of tested compounds were more potent than KIST301072. Compound I (R = CH₂CH₂CH₂CH₂OH, R’ = H) was the most potent with IC₅₀ of 24 nM. Moreover, compound I (R = CH₂CH₂CH₂CH₂OH, R’ = H) showed ROS1 inhibitory selectivity of about 170-fold, relative to that of ALK sharing about 49% amino acid sequence homol. with ROS1 kinase in the kinase domain. In silico modeling of 7c at ROS1 active site revealed some essential features for ROS1 inhibitory activity. Based on this study and the previous studies, we could build a hypothetical model predicting the required essential features for ROS1 inhibitory activity. The model validity was tested through a second set of compounds In the experiment, the researchers used many compounds, for example, Methyl 2-chloro-4-fluorobenzoate (cas: 85953-29-3SDS of cas: 85953-29-3).

Methyl 2-chloro-4-fluorobenzoate (cas: 85953-29-3) 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. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.SDS of cas: 85953-29-3

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

Synthesis of 1,2,3,4-tetrafluorobenzene by potassium fluoride fluorination was written by Finger, G. C.;Shiley, R. H.;Dickerson, D. R.. And the article was included in Journal of Fluorine Chemistry in 1974.HPLC of Formula: 2613-34-5 This article mentions the following:

1,2,3,4-C6H2F4 (I) was prepared in ∼26% yield by reaction of 2,3,6-F3C6H2Cl with KF-CsF in Me2SO2 at ∼265° for 1.5-2 hr. With KF alone the yield of I was 16.4%. The yield of I by similar reaction with 2,3,4-F3C6H2Cl did not exceed 2.5% even when CsF was used alone. The fluorination of 2,3,1,4-Cl2F2C6H2 via this halogen exchange reaction gave 22.6% I, but under similar conditions 3,4,1,2- and 2,4,1,3-Cl2F2C6H2 gave I in 1.8 and 1.3% yield, resp. In the experiment, the researchers used many compounds, for example, 3-Chloro-2,4-difluoroaniline (cas: 2613-34-5HPLC of Formula: 2613-34-5).

3-Chloro-2,4-difluoroaniline (cas: 2613-34-5) 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. 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).HPLC of Formula: 2613-34-5

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

Fluorovinylsulfones and -Sulfonates as Potent Covalent Reversible Inhibitors of the Trypanosomal Cysteine Protease Rhodesain: Structure-Activity Relationship, Inhibition Mechanism, Metabolism, and In Vivo Studies was written by Jung, Sascha;Fuchs, Natalie;Johe, Patrick;Wagner, Annika;Diehl, Erika;Yuliani, Tri;Zimmer, Collin;Barthels, Fabian;Zimmermann, Robert A.;Klein, Philipp;Waigel, Waldemar;Meyr, Jessica;Opatz, Till;Tenzer, Stefan;Distler, Ute;Raeder, Hans-Joachim;Kersten, Christian;Engels, Bernd;Hellmich, Ute A.;Klein, Jochen;Schirmeister, Tanja. And the article was included in Journal of Medicinal Chemistry in 2021.Category: chlorides-buliding-blocks This article mentions the following:

Rhodesain is a major cysteine protease of Trypanosoma brucei rhodesiense, a pathogen causing Human African Trypanosomiasis, and a validated drug target. Recently, we reported the development of α-halovinylsulfones as a new class of covalent reversible cysteine protease inhibitors. Here, α-fluorovinylsulfones/-sulfonates were optimized for rhodesain based on mol. modeling approaches. I (X = F), the most potent and selective inhibitor in the series, shows a single-digit nanomolar affinity and high selectivity toward mammalian cathepsins B and L. Enzymic dilution assays and MS experiments indicate that I (X = F) is a slow-tight binder (K_i = 3 nM). Furthermore, the nonfluorinated I (X = H) shows favorable metabolism and biodistribution by accumulation in mice brain tissue after i.p. and oral administration. The highest antitrypanosomal activity was observed for inhibitors with an N-terminal 2,3-dihydrobenzo[b][1,4]dioxine group and a 4-Me-Phe residue in P2 with nanomolar EC₅₀ values (0.14/0.80μM). The different mechanisms of reversible and irreversible inhibitors were explained using QM/MM calculations and MD simulations. In the experiment, the researchers used many compounds, for example, (Chloromethanetriyl)tribenzene (cas: 76-83-5Category: chlorides-buliding-blocks).

(Chloromethanetriyl)tribenzene (cas: 76-83-5) 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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Category: chlorides-buliding-blocks

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

Pd-Catalyzed decarboxylative cross coupling of potassium polyfluorobenzoates with aryl bromides, chlorides, and triflates was written by Shang, Rui;Xu, Qing;Jiang, Yuan-Ye;Wang, Yan;Liu, Lei. And the article was included in Organic Letters in 2010.Computed Properties of C7H3ClF2O2 This article mentions the following:

Pd-catalyzed decarboxylative cross coupling of potassium polyfluorobenzoates with aryl bromides, chlorides, and triflates is achieved by using diglyme as the solvent. The reaction is useful for synthesis of polyfluorobiaryls from readily accessible and nonvolatile polyfluorobenzoate salts. Unlike the Cu-catalyzed decarboxylation cross coupling where oxidative addition is the rate-limiting step, in the Pd-catalyzed version decarboxylation is the rate-limiting step. In the experiment, the researchers used many compounds, for example, 3-Chloro-2,6-difluorobenzoic acid (cas: 225104-76-7Computed Properties of C7H3ClF2O2).

3-Chloro-2,6-difluorobenzoic acid (cas: 225104-76-7) 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.Computed Properties of C7H3ClF2O2

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

Rapid Upcycling of End-of-Life Microfiltration Membrane Mediated by the Healing of Metal-Organic Complex was written by Wang, Xueye;Han, Hongyi;Zhou, Huimin;Wang, Tianlin;Dai, Ruobin;Wang, Zhiwei. And the article was included in ACS Sustainable Chemistry & Engineering in 2022.Recommanded Product: Trimesoylchloride This article mentions the following:

Membrane separation is widely adopted in many industries, and the membranes reach their end of life (EOL) after long-term use. However, the conventional approach of replacing EOL membranes has a high carbon footprint, hindering the development of a green, low-carbon, and carbon-neutral process. In this study, we developed a cleaning-tannic acid-iron (TA-Fe)-healing-interfacial polymerization strategy with a reaction time of less than 20 min for the upcycling of an EOL microfiltration (MF) membrane. The cleaning step could remove most of the foulants from the EOL membrane. The TA-Fe healing step decreased the surface pore size and increased the hydrophilicity of the cleaned membrane, offering a more favorable platform for the storage of amine monomers required for interfacial polymerization The upcycled NF-Healed membrane possessed a Na₂SO₄ rejection of 96.9 ± 0.7% and high pure water permeance of 23.7 ± 1.4 L m^-2 h^-1 bar^-1. An economic anal. indicated that the chem. cost for upcycling was ~$4.9/m² membrane, which was lower than the estimated cost to replace the EOL MF membrane. This study provides a rapid and cost-effective method for the upcycling of the EOL MF membrane, which is a promising strategy to close the sustainable loop in the membrane materials. 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 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. 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