Author: Jessica.F

Design and synthesis of novel pyrrolo[2,3-b]pyridine derivatives targeting ^V600EBRAF was written by Abdel-Maksoud, Mohammed S.;Ali, Eslam M. H.;Ammar, Usama M.;Mersal, Karim I.;Yoo, Kyung Ho;Oh, Chang-Hyun. And the article was included in Bioorganic & Medicinal Chemistry in 2020.Quality Control of 3-(Trifluoromethyl)benzene-1-sulfonyl chloride This article mentions the following:

Several pyrrolo[2,3-b]pyridine-based B-RAF inhibitors are well known and some of them are currently FDA approved as anticancer agents. Based on the structure of these FDA approved ^V600EB-RAF inhibitors, two series of pyrrolo[2,3-b]pyridine scaffold were designed and synthesized in attempt to develop new potent ^V600EB-RAF inhibitors. The 38 synthesized compounds were biol. evaluated for their ^V600EB-RAF inhibitory effect at single dose (10 μM). Compounds with high percent inhibition were tested to determine their IC₅₀ over ^V600EB-RAF. Compounds 34e and 35 showed the highest inhibitory effect with IC₅₀ values of 0.085 μM and 0.080 μM, resp. Headed for excessive biol. evaluation, the synthesized derivatives were tested over sixty diverse human cancer cell lines. Only compound 35(I) emerged as a potent cytotoxic agent against different panel of human cancer cell lines. In the experiment, the researchers used many compounds, for example, 3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6Quality Control of 3-(Trifluoromethyl)benzene-1-sulfonyl chloride).

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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Quality Control of 3-(Trifluoromethyl)benzene-1-sulfonyl chloride

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

Design, synthesis, antiviral bioactivities and interaction mechanisms of penta-1,4-diene-3-one oxime ether derivatives containing a quinazolin-4(3H)-one scaffold was written by Chen, Lijuan;Wang, Xiaobin;Tang, Xu;Xia, Rongjiao;Guo, Tao;Zhang, Cheng;Li, Xiangyang;Xue, Wei. And the article was included in BMC Chemistry in 2019.Product Details of 620-19-9 This article mentions the following:

penta-1,4-diene-3-one oxime ether and quinazolin-4(3H)-one derivatives possess favorable agricultural activities. Aiming to discover novel mols. with highly-efficient agricultural activities, a series of penta-1,4-diene-3-one oxime ether derivatives containing a quinazolin-4(3H)-one scaffold were synthesized and evaluated for their antiviral activities. Antiviral bioassays indicated that some title compounds exhibited significant antiviral activity against tobacco mosaic virus (TMV). In particular, compounds 8c, 8j and 8k possessed appreciable curative activities against TMV in vivo, with half-maximal effective concentration (EC50) values of 138.5, 132.9 and 125.6 μg/mL, resp., which are better than that of ningnanmycin (207.3 μg/mL). Furthermore, the microscale thermophoresis experiments (MST) on the interaction of compound 8k with TMV coat protein (TMV CP) showed 8k bound to TMV CP with a dissociation constant of 0.97 mmol/L. Docking studies provided further insights into the interaction of 8k with the Arg90 of TMV CP. Sixteen penta-1,4-diene-3-one oxime ether derivatives containing a quinazolin-4(3H)-one scaffold were designed, synthesized, and their antiviral activities against TMV were evaluated. Antiviral bioassays indicated that some target compounds exhibited remarkable antiviral activities against TMV. Furthermore, through the MST and docking studies, we can speculate that 8k inhibited the virulence of TMV by binding Arg90 in TMV CP. These results indicated that this kind of penta-1,4-diene-3-one oxime ether derivatives containing a quinazolin-4(3H)-one scaffold could be further studied as potential alternative templates in the search for novel antiviral agents. 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 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.Product Details of 620-19-9

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

The Willgerodt reaction in the heterocyclic series. II. Some compounds of the 2- and 3-thienyl series was written by Blanchette, Joseph A.;Brown, Ellis V.. And the article was included in Journal of the American Chemical Society in 1951.Recommanded Product: 2,5-Dichlorothiophene-3-carboxylic acid This article mentions the following:

3-Methylthiophene (55 g.), 95 g. N-bromosuccinimide, and 150 cc. CCl₄ refluxed 5 hrs., filtered, and the solvent removed in vacuo yielded 70 g. 3-methyl-2-bromothiophene (I), b₁₃ 61-3°, b₁₆ 68-70°. Dry CO₂ passed 3 hrs. into the Grignard reagent from 0.64 mole I at -7° and the product decomposed with dilute H₂SO₄ yielded 59 g. 3-methyl-2-thiophenecarboxylic acid (II), m. 147-8° (from water). II (50 g.) and 200 cc. SOCl₂ refluxed 3 hrs. yielded the acid chloride, which, added in 100 cc. Et₂O to 0.36 mole Me₂Cd in an ice bath and the mixture refluxed 0.5 hr., cooled, and decomposed, yielded 43 g. 3-methyl-2-thienyl Me ketone (III), b₁₄ 98-9°. Amides from S.CR²: CR³.CR⁴:CR⁵ (I); R², R³, I, R⁴, R⁵, Amide, M.p., Yield (%), A, B; Et, Ac, H, Et, 3-acetamide, 116-17°, 52, 40; Ac, H, H, Et, 2-acetamide, 148°, 42, 55; Ac, H, H, Me, 2-acetamide (II), 143-4°, 41, 54; Ac, Me, Me, H, 2-acetamide (III), 152°, 34, 24; Ac, Me, H, H, 2-acetamide (IV), 142°, 27, 29; Me, Me, H, Ac, 5-acetamide (V), 165-6°, 40, 55; H, Ac, H, H, 3-acetamide (VI), 154-5°, 5, 13; AcCH₂, H, H, H, 2-propionamide (VII), 99-100°, 20, 28; CH₂:CH, H, H, H, 2-acetamide (VIII), 147-8°, 25, 30; CO₂H, H, H, H, 2-carboxamide (IX), 179-80°, 63, 70; CH(OH)Me, H, H, H(a), 2-acetamide (X), 147-8°, 22, 35; (a) Semicarbazone m. 193-4° (from 50% alc.-water).; 2,5-Dichloro-3-thienyl Me ketone oxidized with KOCl yielded 75% 2,5-dichloro-3-thiophenecarboxylic acid, which on dehalogenation with 5% Pd-on-C yielded 75% 3-thiophenecarboxylic acid, 30 g. of which by the procedure for III yielded 12 g. 3-thienyl Me ketone, b₂₁ 117°; semicarbazone, m. 173-4° (from 33% alc.-water). 2-Cyanothiophene (6 g.) in 20 cc. cold concentrated H₂SO₄ poured after 15 min. onto ice yielded 4 g. 2-thiophenecarboxamide, m. 179-80°. 2-Thiophenecarboxaldehyde (82 g.) in 50 cc. Et₂O added dropwise to 0.73 mole MeMgBr in an ice bath, and the mixture refluxed 0.5 hr., cooled, and poured into ice and dilute H₂SO₄ yielded 79 g. methyl-2-thienylcarbinol, b₅ 80-3°; urethan, m. 85-6° (from petr. ether). Ten g. thiophene derivative, 25 g. S, 25 cc. concentrated NH₄OH, and 30 cc. dioxane heated 11-12 hrs. at 150-60° in a sealed tube and the product evaporated to dryness and extracted with boiling water yielded (Method A) crude amide. The thiophene derivative (5 g.), 25 g. yellow NH₄ polysulfide, 3.5 g. S, and 25 cc. dioxane heated 11-12 hrs. at 150-60° yielded (Method B) crude amides. The amides crystallized from water in white plates or needles. The amides (1-2 g.) refluxed 2-3 hrs. with 70-100 cc. 25% KOH and the solution cooled and acidified with 20% HCl yielded the corresponding acids for which the m.ps. are: II, 54-5°; III, 67-8°; IV, 89-90°; V, 97-8°; VI, 79-80°; VII, 44-5°; VIII, 62-3°; IX, 128°; X, 62-3°. In the experiment, the researchers used many compounds, for example, 2,5-Dichlorothiophene-3-carboxylic acid (cas: 36157-41-2Recommanded Product: 2,5-Dichlorothiophene-3-carboxylic acid).

2,5-Dichlorothiophene-3-carboxylic acid (cas: 36157-41-2) 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.Recommanded Product: 2,5-Dichlorothiophene-3-carboxylic acid

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

Metal-free oxidative coupling of alkyl chlorides with thiols: An efficient access to sulfoxides was written by Liu, Qian;Zhao, Xiaoqian;Xu, Feng;Li, Gaoqiang. And the article was included in Tetrahedron Letters in 2020.Application In Synthesis of 1-(Chloromethyl)-3-methylbenzene This article mentions the following:

An efficient and step-economical access to sulfoxides from thiols and alkyl halides in the presence of I₂O₅ and DBU via direct oxidative coupling was described. It is the first case that combined Williamson sulfide synthesis and subsequent sulfide oxidation into one step manipulation for sulfoxides preparation This protocol features wide substrate scope, mild and metal-free conditons, the use of naturally abundant starting materials and avoidance of over-oxidation In the experiment, the researchers used many compounds, for example, 1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9Application In Synthesis of 1-(Chloromethyl)-3-methylbenzene).

1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9) 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.Application In Synthesis of 1-(Chloromethyl)-3-methylbenzene

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

Aliphatic polyamide nanofilm with ordered nanostripe, synergistic pore size and charge density for the enhancement of cation sieving was written by Yuan, Bingbing;Zhao, Siheng;Xu, Shaojie;Wang, Ning;Hu, Ping;Chen, Kuo;Jiang, Juhui;Cui, Jiabao;Zhang, Xiaozhuan;You, Meng;Niu, Q. Jason. And the article was included in Journal of Membrane Science in 2022.Name: Trimesoylchloride This article mentions the following:

Enhanced cation sieving selectivity is significant for polyamide (PA) nanofiltration membrane in terms of extracting lithium from Salt Lake brines, which enable to reduce production cost and operating energy consumption. Herein, an aliphatic PA nanofilm with ordered nanostripe was fabricated using a novel distorted and non-coplanar monomer, cyclopentane tetracarboxylic acid chloride (CPTC). Because of the fine-tuning of the dendrimer porous layer, the resultant aliphatic PA membrane revealed decreased thickness in separation layer, and an enhanced synergistic effect of size exclusion and Donnan equilibrium on mono-/divalent cation. Separation experiments indicated that a higher MgCl2 rejection (up to 98.36%) and a lower LiCl rejection (33.3%) were obtained, thus achieving a good cation selectivity (48.25 for Na⁺/Mg2⁺, 36.5 for Li⁺/Mg2⁺). This result was better compared with the full-aromatic and most of the literature reported pos. charged PA membranes. Moreover, water flux of the CPTC-tris(2-aminoethyl) amine (TAEA) membrane with nanostripe structure (N-CPTC-TAEA) increased 3.98-4.74 times (for example, 135.9 ± 4.62 for 2000 ppm LiCl) that of the CPTC-TAEA membrane. Meanwhile, the N-CPTC-TAEA also exhibited a better antifouling property than that of the full-aromatic membrane. This study demonstrates that the N-CPTC-TAEA tends to be an alternative membrane material for cation separation In the experiment, the researchers used many compounds, for example, Trimesoylchloride (cas: 4422-95-1Name: Trimesoylchloride).

Trimesoylchloride (cas: 4422-95-1) 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.Name: Trimesoylchloride

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

Halogen bonding in drug-like molecules: a computational and systematic study of the substituent effect was written by Adasme-Carreno, Francisco;Munoz-Gutierrez, Camila;Alzate-Morales, Jans H.. And the article was included in RSC Advances in 2016.COA of Formula: C8H10ClN This article mentions the following:

Halogen bonding (XB) is a noncovalent interaction that has been increasingly used in mol. recognition, and more recently, in protein-ligand binding. We have studied and quantified, using d. functional theory (DFT) calculations, the substituent effect of fourteen chem. groups in the chloro-, bromo- and iodobenzene···N-methylacetamide (NMA) complexes, which serve as a model of a common arrangement of XB in biol. systems. A total of 126 halobenzene···NMA complexes have been optimized and examined regarding their relative energy, mol. electrostatic potential, topol. anal. of electron d. and charge transfer. The extent of substituent effect was found to be up to 1.5 kcal mol^-1, where electron-withdrawing groups increase the XB strength while electron-donating substituents reduce it. Excellent statistical correlations (R² > 0.9) were obtained for the comparison between XB interaction energy and the computed electronic properties (electron d., mol. electrostatic potential, and NBO charges), suggesting that the substituent effect was mainly due to the electrostatic interaction, and resonance effects were negligible. Furthermore, a pos. cooperativity effect, in the strengthening of the XB, was observed in NMA complexes with di-, tri- and tetrafluoro-iodobenzenes. In the experiment, the researchers used many compounds, for example, 2-Chloro-N,N-dimethylaniline (cas: 698-01-1COA of Formula: C8H10ClN).

2-Chloro-N,N-dimethylaniline (cas: 698-01-1) 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.COA of Formula: C8H10ClN

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

Sulfoquinovosylglyceryl ether, a new group of ether lipids from lake ball-forming green alga Aegagropilopsis moravica (family Pithophoraceae) was written by Oku, Naoya;Hasada, Atsumi;Kimura, Kenji;Honoki, Hideharu;Katsuta, Ryo;Yajima, Arata;Nukada, Tomoo;Ishigami, Ken;Igarashi, Yasuhiro. And the article was included in Chemistry – An Asian Journal in 2021.Name: (Chloromethanetriyl)tribenzene This article mentions the following:

Ether lipids are a minor group of glycerolipids but widespread in nature, playing a vital function as membrane lipids, signalling mols., or buoyant material. We have discovered sulfoquinovosylchimyl alc. (1), a sulfonate-substituted glyceroglycolipid, from a lake ball-forming green alga Aegagropilopsis moravica (family Pithophoraceae), with the guidance of antimicrobial activity. The structure of 1, including absolute configurations of all sterogenic centers, was established by extensive NMR anal., chem. degradation studies, and finally by total synthesis. Lipid 1 is an ether variant of a lyso-form of sulfoquinovosyldiacylglycerol, a chloroplast-specific membrane lipid, and thus represents a new lipid class, sulfoquinovosylglyceryl ether. A high occurrence of mobile life form in the family Pithophoraceae and a unique behavior of chloroplasts reported in closely related Aegagropila linnaei, the famous lake-ball alga, implies a possible role of lipid 1 or its acyl derivatives in ecol. adaptation to dysphotic niches. In the experiment, the researchers used many compounds, for example, (Chloromethanetriyl)tribenzene (cas: 76-83-5Name: (Chloromethanetriyl)tribenzene).

(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. 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).Name: (Chloromethanetriyl)tribenzene

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

Nanofiltration membrane with high flux and oil rejection using graphene oxide/β-cyclodextrin for produced water reuse was written by Al-Gamal, Anwar Q.;Saleh, Tawfik A.;Alghunaimi, Fahd I.. And the article was included in Materials Today Communications in 2022.COA of Formula: C9H3Cl3O3 This article mentions the following:

A nanofiltration membrane with a high affinity to water and high rejection of salts and hydrocarbons was developed by intercalating a supramol. compound, graphene oxide with β-cyclodextrin (GO-beta-CD), into its layer of separation The GO-beta-CD membranes were synthesized by interfacial polymerization of an aqueous solution of (GO-beta-CD)/piperazine with an organic solution of 1, 3, 5-benzenetricarbonyl trichloride on porous substrates of polysulfone (PSf). Fourier transform IR spectroscopy (FTIR), field-emission scanning electron microscope (SEM), energy dispersive x-ray(EDX), and at. force microscope (AFM) analyses were applied to confirm the successful incorporation of GO-beta-CD into the rejection layer of the synthesized membrane and analyze the morphol., surface characteristics, and structure of the membrane surface. The hydrophilicity and porosity of the GO-beta-CD-embedded membranes were greatly enhanced and were confirmed by the contact angle decline and permeability enhancement. The collective results and analyses showed that the permeability, salt rejection and oil separation were significantly enhanced by the addition of GO-beta-CD. The prepared membranes were featured with hydrocarbons separation efficiency of about 100%, divalent salt rejection of about 89% and monovalent salt rejection of about 74%. The fluxes of the produced membranes were 80% greater than NF bare membranes. Addnl., the GO-beta-CD membranes were stable under a long-trail filtration of 15 h and exhibited excellent mech. and performance stability. The proposed membranes with excellent stability, high flux, salt rejection and oil rejection are highly promising for practical applications such as water desalination. In the experiment, the researchers used many compounds, for example, Trimesoylchloride (cas: 4422-95-1COA of Formula: C9H3Cl3O3).

Trimesoylchloride (cas: 4422-95-1) 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.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.COA of Formula: C9H3Cl3O3

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

Multistep Solvent-Free 3 m² Footprint Pilot Miniplant for the Synthesis of Annual Half-Ton Rufinamide Precursor was written by Escriba-Gelonch, Marc;de Leon Izeppi, Gerardo Antonio;Kirschneck, Dirk;Hessel, Volker. And the article was included in ACS Sustainable Chemistry & Engineering in 2019.SDS of cas: 697-73-4 This article mentions the following:

The development of a pilot-scale synthesis of the rufinamide precursor in flow chem. is reported. Complex steps such as Taylor-flow, segmented flow, and high-temperature processing at high pressure (high-p,T) are successfully combined, overcoming the mixing and heat transfer issues of the scale-up. The cascaded multistep process operates essentially solvent-free in just 3 m² giving a productivity of 47 g/h (>400 kg/yr), which increases by a factor of 7 the lab-scale productivity previously reported as a scale-up proof-of-concept. This publication also includes an economic study of the feasible implementation of this technol. for a possible manufacturer, as well as an outline on business development strategies of how to implement such a disruptive technol. The development of a pilot-scale synthesis of the rufinamide precursor in flow chem. is reported. In the experiment, the researchers used many compounds, for example, 2-(Chloromethyl)-1,3-difluorobenzene (cas: 697-73-4SDS of cas: 697-73-4).

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. 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.SDS of cas: 697-73-4

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

Kinetics of oxidation of benzyl alcohol and substituted benzyl alcohols by N-chlorosaccharin was written by Vijaya Mohan, K.;Rao, P. Raghunatha;Sundaram, E. V.. And the article was included in Proceedings of the National Academy of Sciences, India, Section A: Physical Sciences in 1988.Computed Properties of C7H4ClNO3S This article mentions the following:

The acid catalyzed oxidation of benzyl alcs. by N-chlorosaccharin was studied in aqueous AcOH medium in the presence of saccharin. The reaction is first-order with respect to [substrate] and [oxidant]. A plot of log k_obs vs. ρ is linear with σ = -3.07. The rate is not affected by added Cl^–. Bunnett’s plot shows that water mols. act as proton transfer agents in the rate determining step. In the experiment, the researchers used many compounds, for example, 2-Chlorobenzo[d]isothiazol-3(2H)-one 1,1-dioxide (cas: 14070-51-0Computed Properties of C7H4ClNO3S).

2-Chlorobenzo[d]isothiazol-3(2H)-one 1,1-dioxide (cas: 14070-51-0) 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. 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 C7H4ClNO3S

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