Month: February 2023

Ring-Expansion Reactions of Epoxy Amides and Enamides: Functionalized Azetidines, Dihydrofurans, Diazocanes, or Dioxa-3-azabicyclonon-4-enes? was written by Suraj;Swamy, K. C. Kumara. And the article was included in Journal of Organic Chemistry in 2022.Product Details of 777-44-6 This article mentions the following:

Functionalized azetidines I [R¹ = Ph, 4-MeC₆H₄, 2-naphthyl, etc.; R² = Ph, 2-BrC₆H₄, 2-IC₆H₄, etc.], 2,3-dihydrofurans II [R³ = Ph, 4-MeC₆H₄, 4-ClC₆H₄, etc.] or the unorthodox dioxa-3-azabicyclonone-4-ene motifs III [R⁴ = Ph, 4-BrC₆H₄, 2-naphthyl, etc.; R⁵ = Ph, 4-MeC₆H₄, 2-BrC₆H₄, etc.] were the products from transition metal-free reaction between N-oxiranylmethyl benzenesulfonamide and 尾-chloro-cinnamaldehyde, depending on whether one uses either NaI/K₂CO₃ or LiBr/K₂CO₃. These ring expansion reactions involved enamide (X-ray evidence) derived from N-oxiranylmethyl benzenesulfonamide and 尾-chloro-cinnamaldehyde as an intermediate. The N-oxiranylmethyl benzenesulfonamide itself upon heating gave readily separable and crystalline isomeric diazocanes that could be characterized by X-ray crystallog. In the experiment, the researchers used many compounds, for example, 3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6Product Details of 777-44-6).

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

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

Design, Synthesis, and Biological Activity of Novel Fungicides Containing a 1,2,3,4-Tetrahydroquinoline Scaffold and Acting as Laccase Inhibitors was written by Zhang, Xiaoming;Xu, Huan;Su, Huifei;Yang, Xinling;Sun, Tengda;Lu, Xingxing;Shi, Fasheng;Duan, Hongxia;Liu, Xili;Ling, Yun. And the article was included in Journal of Agricultural and Food Chemistry in 2022.Formula: C7H4ClF3O2S This article mentions the following:

In this work, PMDD-5Y was selected as a lead compound, designed and used to synthesize a series of novel sulfonyl hydrazide derivatives containing the natural product scaffold 1,2,3,4-tetrahydroquinoline I (R¹ = H, 6-Me, 2-Me; R² = 2-chlorophenyl, 4-nitrophenyl, Bu, etc.; X = O, S) . The new compounds I had antifungal activities against several fungi, especially Valsa mali and Sclerotinia sclerotiorum. One compound I (R¹ = H, R¹ = 4-chlorophenyl, X = S) displayed very good in vitro activity against S. sclerotiorum and V. mali, with EC50 values of 3.32 and 2.78渭g/mL, resp. The results of an enzyme activity assay showed that compound I (R¹ = H, R¹ = 4-tert-butylphenyl, X = S) had the best inhibitory activity against laccase, with an EC50 value of 14.85渭g/mL. This was more active than the lead compound PMDD-5Y and the pos. control cysteine. Using a mol. docking method, the binding mode of the title compounds I with laccase was studied . The structural features of these new laccase inhibitors as fungicides will advance research and impact the field of discovering more potent fungicides to control diseases in agriculture. In the experiment, the researchers used many compounds, for example, 3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6Formula: C7H4ClF3O2S).

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.Formula: C7H4ClF3O2S

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

Modulating the Asymmetry of the Active Layer in Pursuit of Nanofiltration Selectivity via Differentiating Interfacial Reactions of Piperazine was written by Gao, Yawei;Zhao, Yangying;Wang, Xiao-mao;Tang, Chuyang;Huang, Xia. And the article was included in Environmental Science & Technology in 2022.Electric Literature of C9H3Cl3O3 This article mentions the following:

Nanofiltration (NF), highly prospective for drinking water treatment, faces a challenge in simultaneously removing emerging contaminants while maintaining mineral salts, particularly divalent cations. To overcome this challenge, NF membranes possessing small pores concomitant with highly neg. charged surfaces were synthesized via a two-step fabrication strategy. The key is to generate a polyamide active layer having a loose and carboxyl group-abundant segment on top and a dense barrier segment underneath. This was achieved by restrained interfacial polymerization between trimesoyl chloride and partly protonated piperazine to form a highly depth-heterogeneous polyamide network, followed by second amidation in an organic environment to remove untethered polyamide fragments and associate malonyl chlorides with reserved amine groups to introduce more neg. charges. Most importantly, on first-principle engineering the spatial architecture of the polyamide layer, amplifying asym. charge distribution was paired with the thinning of the vertical structure. The optimized membrane exhibits high salt/organic rejection selectivity and water permeance superior to most NF membranes reported previously. The rejections of eight emerging contaminants were in the range of 66.0-94.4%, much higher than the MgCl₂ rejection of 41.1%. This new fabrication strategy, suitable for various diacyl chlorides, along with the new membranes so produced, offers a novel option for NF in potable water systems. In the experiment, the researchers used many compounds, for example, Trimesoylchloride (cas: 4422-95-1Electric Literature of 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. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Electric Literature of C9H3Cl3O3

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

Asymmetric Cycloisomerization of o-Alkenyl-N-Methylanilines to Indolines by Iridium-Catalyzed C(sp³)-H Addition to Carbon-Carbon Double Bonds was written by Torigoe, Takeru;Ohmura, Toshimichi;Suginome, Michinori. And the article was included in Angewandte Chemie, International Edition in 2017.Electric Literature of C8H16Cl2Ir2 This article mentions the following:

Highly enantioselective cycloisomerization of N-methylanilines, bearing o-alkenyl groups, into indolines, e.g., I, is established. An iridium catalyst bearing a bidentate chiral diphosphine effectively promotes the intramol. addition of the C(sp³)-H bond across a carbon-carbon double bond in a highly enantioselective fashion. The reaction gives indolines bearing a quaternary stereogenic carbon center at the 3-position. The reaction mechanism involves rate-determining oxidative addition of the N-Me C-H bond, followed by intramol. carboiridation and subsequent reductive elimination. In the experiment, the researchers used many compounds, for example, Chlorobis(ethylene)iridium(I) dimer (cas: 39722-81-1Electric Literature of C8H16Cl2Ir2).

Chlorobis(ethylene)iridium(I) dimer (cas: 39722-81-1) 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.Electric Literature of C8H16Cl2Ir2

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

Designing New Analogs for Streamlining the Structure of Cytotoxic Lamellarin Natural Products was written by Tangdenpaisal, Kassrin;Worayuthakarn, Rattana;Karnkla, Supatra;Ploypradith, Poonsakdi;Intachote, Pakamas;Sengsai, Suchada;Saimanee, Busakorn;Ruchirawat, Somsak;Chittchang, Montakarn. And the article was included in Chemistry – An Asian Journal in 2015.Application In Synthesis of 2-(3-Methoxyphenyl)acetyl chloride This article mentions the following:

Despite the therapeutic potential of marine-derived lamellarin natural products, their preclin. development has been hampered by their lipophilic nature, causing very poor aqueous solubility In order to develop more drug-like analogs, their structure was streamlined in this study from both the cytotoxic activity and lipophilicity standpoints. First, a modified total synthetic route was successfully devised to construct a library of 59 systematically designed lamellarin analogs, which were then subjected to cytotoxicity and log P determinations [e.g., I with single or double bond as indicated by dotted line; R = H, Me; X = H, OH; Y = H, OMe; A, B = H, OH]. Along with the 25 first-generation lamellarins previously synthesized in our laboratory, the structure-activity and structure-lipophilicity relationships were extensively evaluated. Our results clearly indicated the addnl. structural requirements around the lamellarin skeleton which, when combined with those reported previously, can provide invaluable guidance for further modifications to increase the aqueous solubility of these compounds In the experiment, the researchers used many compounds, for example, 2-(3-Methoxyphenyl)acetyl chloride (cas: 6834-42-0Application In Synthesis of 2-(3-Methoxyphenyl)acetyl chloride).

2-(3-Methoxyphenyl)acetyl chloride (cas: 6834-42-0) 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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Application In Synthesis of 2-(3-Methoxyphenyl)acetyl chloride

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

Pd-Catalyzed ipso,meta-Dimethylation of ortho-Substituted Iodoarenes via a Base-Controlled C-H Activation Cascade with Dimethyl Carbonate as the Methyl Source was written by Wu, Zhuo;Wei, Feng;Wan, Bin;Zhang, Yanghui. And the article was included in Journal of the American Chemical Society in 2021.Name: 2-(Chloromethyl)-1,3-difluorobenzene This article mentions the following:

A Me group can have a profound impact on the pharmacol. properties of organic mols. Hence, developing methylation methods and methylating reagents is essential in medicinal chem. We report a palladium-catalyzed dimethylation reaction of ortho-substituted iodoarenes using di-Me carbonate as a Me source. In the presence of K₂CO₃ as a base, iodoarenes are dimethylated at the ipso- and meta-positions of the iodo group, which represents a novel strategy for meta-C-H methylation. With KOAc as the base, subsequent oxidative C(sp³)-H/C(sp³)-H coupling occurs; in this case, the overall transformation achieves triple C-H activation to form three new C-C bonds. These reactions allow expedient access to 2,6-dimethylated phenols, 2,3-dihydrobenzofurans, and indanes, which are ubiquitous structural motifs and essential synthetic intermediates of biol. and pharmacol. active compounds In the experiment, the researchers used many compounds, for example, 2-(Chloromethyl)-1,3-difluorobenzene (cas: 697-73-4Name: 2-(Chloromethyl)-1,3-difluorobenzene).

2-(Chloromethyl)-1,3-difluorobenzene (cas: 697-73-4) 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.Name: 2-(Chloromethyl)-1,3-difluorobenzene

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

Synergistic degradation of methylene blue by laser cavitation and activated carbon fiber was written by Tong, Yanqun;Jiang, Bin;Chen, Xin;Ren, Xudong;Lu, Jiangyi;Ding, Liuxin. And the article was included in Optics & Laser Technology in 2022.Recommanded Product: 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride This article mentions the following:

Methylene blue is widely used, but highly toxic and difficult to be degraded. In this paper, a new method of synergistic degradation of methylene blue by laser cavitation and activated carbon fiber is proposed. This paper theor. studies the synergistic degradation effect, including radical oxidation effect, shock wave breakdown effect and activated carbon fiber surface adsorption effect. The deep degradation of methylene blue was studied exptl., and the key influencing factors were analyzed. The results show that: the reason why methylene blue can be degraded is because of the oxidation effect of hydroxyl radicals, thermal decomposition and adsorption of mols. on the surface of carbon fibers. The main factors affecting the degradation rate of methylene blue solution are laser energy and initial concentration of solution The degradation rate increased by 37.4% with the increase of laser energy (12-48 mJ) and decreased by 2.6% with the increase of initial concentration (0.01-0.05 mg/mL). The maximum degradation rate (93%) of methylene blue solution was reached at 48 mJ and 0.01 mg/mL for 30 min. Compared with the traditional adsorption degradation of carbon fibers, the degradation rate of the synergistic degradation of methylene blue solution by laser cavitation and activated carbon fibers can be increased by about 80% in a short time (30 min). In the experiment, the researchers used many compounds, for example, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride (cas: 61-73-4Recommanded Product: 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride).

3,7-Bis(dimethylamino)phenothiazin-5-ium chloride (cas: 61-73-4) 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. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Recommanded Product: 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride

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

De novo design, synthesis and pharmacological evaluation of new azaindole derivatives as dual inhibitors of Abl and Src kinases was written by Cheve, Gwenael;Bories, Cedric;Fauvel, Benedicte;Picot, Francois;Tible, Alix;Dayde-Cazals, Benedicte;Loget, Olivier;Yasri, Aziz. And the article was included in MedChemComm in 2012.Reference of 6834-42-0 This article mentions the following:

A fragment based drug design approach implemented in a MedChem-Decision platform led to the discovery of a series of 2,5-disubstituted 7-azaindole derivatives, e.g., I, as potent dual Abl and Src kinase inhibitors. Extensive structure-activity relationships and structure-based drug design studies guided the exploration of the specificity pocket within the active conformation of the ATP site of the two kinases. This led to the identification of a binding mode of the 7-azaindole core to the two kinases and the synthesis and pharmacol. evaluation of compounds that exhibit low nanomolar inhibition on both Abl and Src kinases. 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. 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.Reference of 6834-42-0

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

Discovery of N-{1-[3-(3-Oxo-2,3-dihydrobenzo[1,4]oxazin-4-yl)propyl]piperidin-4-yl}-2-phenylacetamide (Lu AE51090): An Allosteric Muscarinic M₁ Receptor Agonist with Unprecedented Selectivity and Procognitive Potential was written by Sams, Anette G.;Hentzer, Morten;Mikkelsen, Gitte K.;Larsen, Krestian;Bundgaard, Christoffer;Plath, Niels;Christoffersen, Claus T.;Bang-Andersen, Benny. And the article was included in Journal of Medicinal Chemistry in 2010.Electric Literature of C9H9ClO2 This article mentions the following:

The discovery and structure-activity relationship (SAR) of a series of allosteric muscarinic M₁ receptor agonists are described. Compound 17 (Lu AE51090) was identified as a representative compound from the series, based on its high selectivity as an agonist at the muscarinic M₁ receptor across a panel of muscarinic receptor subtypes. Furthermore, 17 displayed a high degree of selectivity when tested in a broad panel of G-protein-coupled receptors, ion channels, transporters, and enzymes, and 17 showed an acceptable pharmacokinetic profile and sufficient brain exposure in rodents in order to characterize the compound in vivo. Hence, in a rodent model of learning and memory, 17 reversed delay-induced natural forgetting, suggesting a procognitive potential of 17. In the experiment, the researchers used many compounds, for example, 2-(3-Methoxyphenyl)acetyl chloride (cas: 6834-42-0Electric Literature of C9H9ClO2).

2-(3-Methoxyphenyl)acetyl chloride (cas: 6834-42-0) 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.Electric Literature of C9H9ClO2

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

GC-MS analysis of essential oil from flowers of Melia toosendan was written by Wei, Ping;Qu, Qinghui;Jiang, Huimin;Cirenyangzong;Wang, Junxian. And the article was included in Xibei Yaoxue Zazhi in 2014.Application In Synthesis of 1-Chlorooctadecane This article mentions the following:

The aim is to analyze the chem. constituents of the essential oil from the fresh and the dried flowers of Melia toosendan. The chem. components of the essential oil were analyzed by GC-MS. 22 Peaks were separated totally, and 16 compounds were identified from the fresh flowers, which accounted for 72.73%. The oil contained mainly alkanes, also contained nitrogen and chlorine compounds 41 Peaks were separated totally, and 33 compounds were identified from the dried ones, which accounted for 80.49%. The oil contained mainly alc. and acid compounds, and didn’t contain nitrogen and chlorine compounds The relative content of each component was calculated by peak area normalization method. It was the first time to extract and analyze the essential oil from the dried and the fresh flowers of Melia toosendan. In the experiment, the researchers used many compounds, for example, 1-Chlorooctadecane (cas: 3386-33-2Application In Synthesis of 1-Chlorooctadecane).

1-Chlorooctadecane (cas: 3386-33-2) 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. 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.Application In Synthesis of 1-Chlorooctadecane

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