Category: chlorides-buliding-blocks

Zhao, Xuelian; Zhan, Xuehui; Zhang, Huilin; Wan, Yichao; Yang, Huizhong; Wang, Yutian; Chen, Yanda; Xie, Wenlin published their research in Bioorganic & Medicinal Chemistry Letters on December 15 ,2021. The article was titled 《Synthesis and biological evaluation of isatin derivatives containing 1,3,4-thiadiazole as potent a-glucosidase inhibitors》.Reference of 3-Chlorobenzylchloride The article contains the following contents:

A series of isatin derivatives containing 1,3,4-thiadiazole derivatives I [R = 2-F, 3-CN, 4-Cl, etc.] were designed and synthesized. All newly synthesized compounds I were evaluated for their α-glucosidase inhibitory activity with resveratrol as pos. control in-vitro. Except for compounds I [R = 2-CN, 3-CN], all of the compounds I showed a potent inhibitory activity against α-glucosidase with IC50 values in the range of 3.12 ± 1.25 to 45.95 ± 1.26μM and the purity of these compounds were greater than 95%. The IC50 values were being compared to the standard resveratrol (IC50 = 22.00 ± 1.15μM) and it was found that compounds I [R = H, 2-F, 2-Cl, 3-Cl, 4-Cl, 2-Br] were found to be more active than resveratrol. Specifically,I [R = 4-Cl] exhibited the most potent α-glucosidase inhibitory activity with IC50 value of 3.12 ± 1.25μM. The kinetic anal. revealed that compound I [R = 4-Cl] was noncompetitive inhibitor. Structure activity relationship was established for all compounds I. Furthermore, the binding interactions of compound I [R = 4-Cl] with the active site of α-glucosidase were confirmed through mol. docking. This study was identified a new class of potent α-glucosidase inhibitors for further investigation. In the experimental materials used by the author, we found 3-Chlorobenzylchloride(cas: 620-20-2Reference of 3-Chlorobenzylchloride)

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.Reference of 3-Chlorobenzylchloride

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

Lumma, William C. Jr.; Hartman, Richard D.; Saari, Walfred S.; Engelhardt, Edward L.; Lotti, Victor J.; Stone, Clement A. published an article on January 31 ,1981. The article was titled 《Piperazinylquinoxalines with central serotoninmimetic activity》, and you may find the article in Journal of Medicinal Chemistry.Quality Control of 2-Chloro-5-methoxyquinoxaline The information in the text is summarized as follows:

The piperazinylquinoxalines I (R = H, Ac, Me; R1 = H, OH (and the related ketone), CO2H; R2, R3 = H, Cl, NH2, CF3, SPh, OMe, F, etc.; m, n = 0, 1) were prepared by various methods. I were tested for selectivity in regards to serotonin reuptake blocking and serotoninmimetic activity. In general, introduction of a 6-substituent into I enhanced serotonin reuptake blocking activity and diminished serotoninmimetic activity. Unsubstituted I and I (R1 = OH) had primary serotoninmimetic activity. In addition to this study using 2-Chloro-5-methoxyquinoxaline, there are many other studies that have used 2-Chloro-5-methoxyquinoxaline(cas: 76052-76-1Quality Control of 2-Chloro-5-methoxyquinoxaline) was used in this study.

2-Chloro-5-methoxyquinoxaline(cas: 76052-76-1) belongs to organochlorine compounds. The wide structural variety and divergent chemical properties of organochlorides lead to a broad range of names, applications, and properties.Quality Control of 2-Chloro-5-methoxyquinoxaline Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.

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

Name: Ethyl 3-(4-chlorophenyl)propanoateOn September 30, 2011 ,《Synthesis, antibacterial activities and molecular docking studies of ethyl 3-(4-substituted phenyl) propanoates as targeted antibiotics》 was published in Latin American Journal of Pharmacy. The article was written by Ramaraj, Sivakumar; Vasanthakumari, Pradeepchandran R.; Narasimha, Jayaveera K.; Rajarathnam, Vijaianand; Palani, Kumamallasivan; Panneerselvam, Arulraj; Ramasamy, Venkatnarayanan. The article contains the following contents:

The type II fatty acid synthesis (FAS II) pathway has been recently reported as an attractive target for their efficacy against infections caused by multistrain-resistant Gram-pos. and Gram-neg. bacteria. Among the related FAS II enzymes, beta keto acyl-acyl carrier protein synthase [KAS 3-oxoacyl-[acyl carrier protein] synthase ], is an essential target for novel antibacterial drug design. Several 3-(phenyl)propanoic acid esters (I) were designed, the synthesis of the target compounds was achieved by a multistep process and the products were characterized. I were screened for their inhibitory activity against Escherichia coli β-keto acyl-acyl carrier protein synthase III (ecKAS III) was investigated by mol. docking simulation. I which posses both good inhibitory activity and binding affinity were compared their antibacterial activities against Gram-neg. and Gram-pos. bacterial strains, expecting to discover broad-spectrum antibacterial activity. I displayed significant activity and Et 3-(4-chlorophenyl)propanaoate exhibited the highest antibacterial activity against all tested bacteria. The results came from multiple reactions, including the reaction of Ethyl 3-(4-chlorophenyl)propanoate(cas: 7116-36-1Name: Ethyl 3-(4-chlorophenyl)propanoate)

Ethyl 3-(4-chlorophenyl)propanoate(cas: 7116-36-1) belongs to organochlorine compounds. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. 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.Name: Ethyl 3-(4-chlorophenyl)propanoate

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

Application of 620-20-2On March 17, 2021, Zhang, Xiao; Wang, Yiping; Xu, Zhiping; Shao, Xusheng; Liu, Zewen; Xu, Xiaoyong; Maienfisch, Peter; Li, Zhong published an article in Journal of Agricultural and Food Chemistry. The article was 《Design, Synthesis, and Synergistic Activity of Eight-Membered Oxabridge Neonicotinoid Analogues》. The article mentions the following:

Insecticide synergists are sought-after due to their potential in improving the pesticide control efficacy with a reduced dose of an active ingredient. We previously reported that a cis-configuration neonicotinoid (IPPA08) exhibited specific synergistic activity toward neonicotinoid insecticides. In this study, we synthesized a series of structural analogs of IPPA08 by converting the pyridyl moiety of IPPA08 into Ph groups, via facile double-Mannich condensation reactions between nitromethylene compounds and glutaraldehyde. All of the oxabridged neonicotinoid compounds were found to increase the toxicity of imidacloprid against Aphis craccivora. Notably, compound (I) at 0.75 mg/L lowered the LC50 value of imidacloprid against A. craccivora by 6.54-fold, while a 3.50-fold reduction of the LC50 value was observed for IPPA08. The results of bee toxicity test showed that compound I display selectivity in its effects on imidacloprid toxicity against the honey bee (Apis mellifera L.). In summary, replacing the pyridyl ring with a Ph ring was a viable approach to obtain a novel synergist with oxabridged moiety for neonicotinoid insecticides. The experimental process involved the reaction of 3-Chlorobenzylchloride(cas: 620-20-2Application of 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.Application of 620-20-2

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

Product Details of 350-30-1On September 2, 2020 ,《Synthesis, insecticidal evaluation and 3D-QASR of novel anthranilic diamides derivatives containing N-arylpyrrole as potential ryanodine receptor activators》 was published in Journal of Agricultural and Food Chemistry. The article was written by Wu, Changchun; Yu, Xiaobo; Wang, Baolei; Liu, Jingbo; Meng, Fanfei; Zhao, Yangyang; Xiong, Lixia; Yang, Na; Li, Yuxin; Li, Zhengming. The article contains the following contents:

The synthesis of novel anthranilic diamides derivatives I [R = HC, N, Cl-C; R4 = O2N, F3C, i-Pr, etc; R5 = Me, i-Pr] incorporating pyrrole moiety targeting at insect RyRs. The structures I were confirmed by 1H NMR, 13C NMR, 19F NMR and HRMS. The preliminary bioassay results indicated that most of the title compounds I showed good to excellent insecticidal activities against oriental armyworm (Mythimna separata) and diamondback moth (Plutella xylostella). For oriental armyworm, I [R = N; R4 = H; R5 = Me] displayed the same level of larvicidal activity as the pos. control chlorantraniliprole, with the LC50 value of 0.21 mg/L. For diamondback moth II [R5 = Me; X = Br], [R5 = i-Pr; X = Br], [R5 = Me; X = Cl] and [R5 = i-Pr; X = Cl] exhibited higher insecticidal activities than chlorantraniliprole. In particular, In had 50% larvicidal activity at 0.00001 mg/L. Calcium imaging technique was applied to study the effect of I [R = N; R4 = H; R5 = Me] and II [R5 = Me; X = Br, Cl] on the intracellular calcium ion concentration ([Ca2+]i) in central neurons isolated from oriental armyworm. The results indicated that the tested compoundsI and II, like chlorantraniliprole was activate the insect ryanodine receptors. Furthermore, comparative mol. field (CoMFA) anal. and d. functional theory (DFT) calculations were carried out to study the structure-activity relationship (SAR).3-Chloro-4-fluoronitrobenzene(cas: 350-30-1Product Details of 350-30-1) was used in this study.

3-Chloro-4-fluoronitrobenzene(cas: 350-30-1) belongs to organochlorine compounds. The wide structural variety and divergent chemical properties of organochlorides lead to a broad range of names, applications, and properties.Product Details of 350-30-1 Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.

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

Name: Thiophene-2-sulfonyl chlorideIn 2021 ,《One-pot synthesis of sulfonylhydrazones from sulfonyl chloride, hydrazine hydrate and vinyl azide in water》 was published in Journal of the Iranian Chemical Society. The article was written by Luo, Mengqiang; Wang, Hai; Ren, Xiaorong; Lu, Ruijuan; Qi, Chenze; Zhang, Yaohong; Shen, Runpu. The article contains the following contents:

A facile and eco-friendly protocol for the synthesis of sulfonylhydrazones I [R = Ph, 4-MeC6H4, 4-FC6H4, 4-ClC6H4, 4-BrC6H4; R1 = Me, Ph, 4-MeOC6H4, etc.] from sulfonyl chlorides, hydrazine hydrate and vinyl azides was developed. The unique advantage of this approach was that desired products could be obtained efficiently in water, which meets the requirements of green chem. and provided good perspectives for the sustainable production of new drug candidate. Also, this reaction proceeded in moderate to good yields with a wide tolerance of functional groups. In the part of experimental materials, we found many familiar compounds, such as Thiophene-2-sulfonyl chloride(cas: 16629-19-9Name: Thiophene-2-sulfonyl chloride)

Thiophene-2-sulfonyl chloride(cas: 16629-19-9) is a member of sulfonyl chlorides. Sulfonyl chlorides are reactive sulfonic acid derivatives similar in properties and reactivity to acid chlorides of carboxylates. The sulfonic acid group, however, is a highly hindered molecule, containing a tetrahedral configuration of substituents. Name: Thiophene-2-sulfonyl chloride

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

Neerathilingam, Nalladhambi; Bhargava Reddy, Mandapati; Anandhan, Ramasamy published their research in Journal of Organic Chemistry in 2021. The article was titled 《Regioselective Synthesis of 2° Amides Using Visible-Light-Induced Photoredox-Catalyzed Nonaqueous Oxidative C-N Cleavage of N,N-Dibenzylanilines》.Recommanded Product: 622-95-7 The article contains the following contents:

A visible-light-driven photoredox-catalyzed nonaqueous oxidative C-N cleavage of N,N-dibenzylanilines to 2° amides is reported. Further, this protocol is applied on 2-(dibenzylamino)benzamide to afford quinazolinones with (NH4)2S2O8 as an additive has been applied. Mechanistic studies imply that the reaction might underwent in situ generation of α-amino radical to imine by C-N bond cleavage followed by the addition of superoxide ion to form amides. In the experiment, the researchers used many compounds, for example, 1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7Recommanded Product: 622-95-7)

1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7) is a useful reagent for the preparation of panicinotam derivatives for use as anti-inflammatory agents or immunomodulators.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

The author of 《Unprecedented Reactivity of β-Iodovinyl Sulfones: An Efficient Synthesis of β-Keto Sulfones and β-Keto Thiosulfones》 were Reddy, Raju Jannapu; Kumar, Jangam Jagadesh; Kumari, Arram Haritha. And the article was published in European Journal of Organic Chemistry in 2019. Reference of 4-Chlorobenzenesulfonyl chloride The author mentioned the following in the article:

An unprecedented reactivity of (E)-β-iodovinyl sulfones in the presence of NaOAc is reported. The (E)-β-iodovinyl sulfones were treated with NaOAc in DMSO/H2O to yield β-keto sulfones in moderate to high yields. A novel oxidative difunctionalization of β-iodovinyl sulfones with thiosulfonates and NaOAc in DMF has been developed. This metal-free oxosulfenylation is an operationally simple to access a wide range of β-keto thiosulfones (α-thioaryl-β-keto sulfones) in moderate to high yields. The transformations were reliable at gram-scale, thus illustrating its efficiency and practicality. A plausible mechanism for the protocol is also proposed. In the experiment, the researchers used 4-Chlorobenzenesulfonyl chloride(cas: 98-60-2Reference 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. However, the extent of chlorination is difficult to control. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Reference of 4-Chlorobenzenesulfonyl chloride

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

In 2019,Journal of Heterocyclic Chemistry included an article by Sawkmie, Micky Lanster; Paul, Dipankar; Kalita, Gitumoni; Agarwala, Khushboo; Maji, Pradip K.; Chatterjee, Paresh Nath. Related Products of 622-95-7. The article was titled 《Synthesis and characterization of active cuprous oxide particles and their catalytic application in 1,2,3-triazole synthesis via alkyne-azide cycloaddition reaction in water》. The information in the text is summarized as follows:

Active cuprous oxide materials were synthesized from CuSO4.5H2O using sodium stannite as reducing agent in the presence of various stabilizers, viz., cetyl tri-Me ammonium bromide, sodium dodecyl sulfate and polyvinyl pyrrolidone. The synthesized cuprous oxide materials were well characterized by powder X-ray diffraction and Fourier transform IR spectroscopy to ascertain their identity, while field emission SEM and energy-dispersive spectroscopy anal. were used to study their morphol. and composition, resp. The various cuprous oxide materials were used in the cycloaddition reaction of alkynes, benzyl halides and azides to synthesize 1,4-disubstituted-1,2,3-triazoles I [R = allyl, Bn, 3-ClC6H4CH2, etc.; R1 = CH2OH, Ph, 4-MeC6H4, 4-FC6H4, 4-BrC6H4, 2-pyridyl]. A wide variety of substitutions could nicely be tolerated in our optimized reaction conditions to produce very good to excellent yields of the corresponding triazoles in water at 55 °C. The reactions were carried out in water without any assistance of organic cosolvent or other additives, which renders the catalytic method as economical and environment friendly. In the experiment, the researchers used many compounds, for example, 1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7Related Products of 622-95-7)

1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7) may be used to synthesize 1-(4-chlorobenzyl)-2-(pyrrolidin-1-yl-methyl)-1H-benzimidazole dihydrochloride.Related Products of 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

Yang, Zhimou; Ho, Pak-Leung; Liang, Gaolin; Chow, Kin Hung; Wang, Qigang; Cao, Yang; Guo, Zhihong; Xu, Bing published an article on January 17 ,2007. The article was titled 《Using β-Lactamase to Trigger Supramolecular Hydrogelation》, and you may find the article in Journal of the American Chemical Society.Recommanded Product: (6R,7R)-Benzhydryl 7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride The information in the text is summarized as follows:

This paper reports the rational design and synthesis of a β-lactam conjugate. Treating the conjugate with β-lactamase cleaves the scissile β-lactam amide bond, releases a hydrogelator, and results in enzymic formation of a supramol. hydrogel. The process involves the use of a bacterial enzyme-the one causes antibiotic inactivation and accounts for resistance to β-lactams in many clin. important pathogens-to catalyze the formation of the hydrogel. It offers an opportunity to investigate the kinetics of these types of enzymic reactions, screen inhibitors of the enzyme, and provides a new candidate to generate hydrogels for biomedical applications. In the experimental materials used by the author, we found (6R,7R)-Benzhydryl 7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride(cas: 79349-53-4Recommanded Product: (6R,7R)-Benzhydryl 7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride)

(6R,7R)-Benzhydryl 7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride(cas:79349-53-4) is one of azetidine.Azetidines (azacyclobutanes) constitute a well-known class of heterocyclic compounds. Azetidine scaffold has been discovered in several natural products.Recommanded Product: (6R,7R)-Benzhydryl 7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride Several pharmacologically important synthetic compounds also contain azetidine ring. Because of inherent ring strain, the synthesis of azetidines is a challenging endeavor.

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