Category: chlorides-buliding-blocks

Computed Properties of C8H6Cl2O3On October 31, 2008 ,《Bioactive metabolites from Penicillium sp., an endophytic fungus residing in Hopea hainanensis》 appeared in World Journal of Microbiology & Biotechnology. The author of the article were Wang, F. W.; Hou, Z. M.; Wang, C. R.; Li, P.; Shi, D. H.. The article conveys some information:

The metabolites of endophytic fungus Penicillium sp. from the leaf of Hopea hainanensis were reported for the first time. By bioassay-guided fractionation, the EtOAc extract of a solid-matrix steady culture of this fungus afforded six compounds, which were identified through a combination of spectral and chem. methods (IR, MS, 1H- and 13C-NMR) to be monomethylsulochrin (1), rhizoctonic acid (2), asperfumoid (3), physcion (4), 7,8-dimethyl-iso-alloxazine (5) and 3,5-dichloro-p-anisic acid (6). Compounds 2, 3 and 6 were obtained from Penicillium sp. for the first time. All of the six isolates were subjected to in vitro bioactive assays including antifungal action against three human pathogenic fungi Candida albicans, Trichophyton rubrum and Aspergillus niger and cytotoxic activity against the human nasopharyngeal epidermoid tumor KB cell line and human liver cancer HepG2 cell line. As a result, compounds 2-4 and 6 inhibited the growth of C. albicans with MICs of 40.0, 20.0, 50.0 and 15.0 μg/mL, resp. and the compound 6 showed growth inhibition against A. niger with MICs of 40.0 μg/mL. In addition, compounds 1-3 and 6 exhibited cytotoxic activity against KB cell line with IC50 value of 30.0, 20.0, 20.0, 5.0 μg/mL, resp. and against HepG2 cell line with IC50 value of 30.0, 25.0, 15.0, 10.0 μg/mL, resp. The results came from multiple reactions, including the reaction of 3,5-Dichloro-4-methoxybenzoic acid(cas: 37908-97-7Computed Properties of C8H6Cl2O3)

3,5-Dichloro-4-methoxybenzoic acid(cas: 37908-97-7) 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.Computed Properties of C8H6Cl2O3

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

Recommanded Product: 37908-97-7On October 14, 2020 ,《Marine Natural Product for Pesticide Candidate: Pulmonarin Alkaloids as Novel Antiviral and Anti-Phytopathogenic-Fungus Agents》 was published in Journal of Agricultural and Food Chemistry. The article was written by Zhang, Mingjun; Ding, Xin; Kang, Jin; Gao, Yongyue; Wang, Ziwen; Wang, Qingmin. The article contains the following contents:

Plant diseases are seriously endangering agricultural production The emergence of drug resistance has brought great challenges to the prevention and control of plant diseases. There is an urgent need for the emergence of new drug candidates. In this work, we achieved the efficient synthesis of pulmonarins A and B in 64% and 59% overall yield, resp. Pulmonarins A and B were found to have good antiviral activities against tobacco mosaic virus (TMV) for the first time. A series of pulmonarin derivatives were designed, synthesized, and evaluated for their antiviral and fungicidal activities systematically. Most compounds displayed higher anti-TMV activities than com. ribavirin. Compounds Pulmonarin B, -Benzyl-2-((3,5-dibromo-4-methoxybenzoyl)oxy)-N,N-dimethylethan-1-aminium Bromide (I), and 2-((4-(Allyloxy)-3,5-dibromobenzoyl)oxy)-N,N,N-trimethylethan-1-aminium Iodide with better inactivation effects than ningnanmycin emerged as new antiviral candidates. We selected I for further antiviral mechanism research, which revealed that it could inhibit virus assembly by interacting with TMV coat protein (CP). The mol. docking results further confirmed that these compounds could interact with CP through hydrogen bonding. These compounds also displayed broad spectrum fungicidal activities. Especially compound 2-(2-(3,5-Dibromo-4-methoxyphenyl)acetoxy)-N,N,N-trimethylethan-1-aminium Iodide with prominent antifungal activity emerged as a new fungicidal candidate for further research. The current work provides a reference for understanding the application of pulmonarin alkaloids in plant protection. After reading the article, we found that the author used 3,5-Dichloro-4-methoxybenzoic acid(cas: 37908-97-7Recommanded Product: 37908-97-7)

3,5-Dichloro-4-methoxybenzoic acid(cas: 37908-97-7) belongs to organochlorine compounds. The wide structural variety and divergent chemical properties of organochlorides lead to a broad range of names, applications, and properties.Recommanded Product: 37908-97-7 Organochlorine compounds have wide use in many applications, though some are of profound environmental concern, with TCDD being one of the most notorious.

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

《Synthesis of 1,2,3-triazole benzophenone derivatives and evaluation of in vitro sun protection, antioxidant properties, and antiproliferative activity on HT-144 melanoma cells》 was written by Dias, Maria C. F.; de Sousa, Bianca L.; Ionta, Marisa; Teixeira, Robson R.; Goulart, Thiago Q.; Ferreira-Silva, Guilherme A.; Pilau, Eduardo J.; dos Santos, Marcelo H.. Product Details of 622-95-7This research focused ontriazole benzophenone derivative antioxidant antitumor photoprotective human. The article conveys some information:

Two series of 1,2,3-triazole-benzophenone derivatives I [R = R1 = Ph, 3-MeC6H4, 4-ClC6H4, etc.] and II [R2 = Ph, 2-pyridyl, 4-BrC6H4, etc.] were synthesized and their antioxidant, anticancer and photoprotective effects evaluated. For the compounds synthesis, 4,4′-dihydroxybenzophenone and 2,4-dihydroxybenzophenone were propargylated and afforded alkynes, bis(4-(prop-2-yn 1-yloxy))benzophenone and (2-hydroxy-4-(prop-2-yn-1-yloxy))benzophenone, resp. The copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) reaction between the alkynes and several benzyl azides gave the compounds I and II with yields ranging from 35 to 95%. Compounds I and II at the concentration of 0.2μg mL-1 (a no-cytotoxic concentration) exhibited a solar protection factor (SPF) comparable to pos. control benzophonen-3 (BP-3). Concerning their antioxidant and cytotoxic effects, the derivatives from 2,4-dihydroxybenzophenone showed high in vitro antioxidant effects as well as cytotoxicity against A549 (lung carcinoma), MCF-7 (breast carcinoma) and HT-144 (metastatic melanoma) cell lines, without significant cytotoxicity to a non-cancerous cell line. Derivatives II [R2 = Ph, 4-MeC6H4, 2,4-F2C6H3] induced cell death and cell cycle arrest at G1/S in HT-144 melanoma cells. In addition to this study using 1-(Bromomethyl)-4-chlorobenzene, there are many other studies that have used 1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7Product Details of 622-95-7) was used in this study.

1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7) undergoes carbonylation in the presence of dimer of chloro(1,5-cyclooctadiene)rhodium(I) to yield the corresponding phenylacetic acid.Product Details 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

《Synthesis and Characterization of Rigid-Rod Polymers with Silsesquioxanes in the Main Chain》 was written by Guan, Jun; Zhang, Zijing; Laine, Richard M.. Application of 172222-30-9This research focused onvinyl silsesquioxane main chain metathesis photopolymerization. The article conveys some information:

Two double-decker silsesquioxane-based rigid-rod polymers/oligomers were synthesized using olefin self-metathesis and photolysis. In both synthetic routes, double-decker (DD) silsesquioxanes (SQs) with di- and tetra-vinyl functionalities were studied, and all products were characterized in detail by NMR (NMR), MALDI-TOF, GPC, TGA, and Fourier transform IR (FTIR) spectroscopy. The catalytic self-metathesis of di-vinyl-functionalized DD SQs results in rigid-rod oligomers with a simple ethene bridge linking SQ cages with a decomposition temperature Td5% of ~530° C in air. Due to steric hindrance, only one ethene bridge forms between tetra-vinyl-functionalized DD SQs using either Grubb’s 1st or 2nd generation catalysts, with other vinyl groups remaining unreacted, as indicated by MALDI-TOF. As an alternative approach, photolysis of di-vinylDD SQs in the UVA and UVB regions leads to linear polymers with cyclobutane linkers between SQ cages and a Td5% of ~530° C. In both configurations, the degrees of freedom are limited solely to rotation around the single bonds joining the ethene or cyclobutane groups to the DD SQs along the chain axis, leading to rigid-rod polymers. Rigid-rod polymers remain both highly thermally stable and soluble in common solvents such as dichloromethane and THF, which points to new opportunities in easily processable rigid-rod polymers. In contrast, photolysis of tetra-vinylDD SQs leads to insoluble and unmeltable products, implying a high degree of crosslinking. The results came from multiple reactions, including the reaction of Benzylidenebis(tricyclohexylphosphine)dichlororuthenium(cas: 172222-30-9Application of 172222-30-9)

Benzylidenebis(tricyclohexylphosphine)dichlororuthenium(cas: 172222-30-9) is the first metathesis catalyst to be widely used in organic synthesis. It is useful for acyclic diene metathesis polymerization (ADMET), Ring-Opening Metathesis Polymerization (ROMP) of strained cyclic olefins, ring opening metathesis (ROM), and so on.Application of 172222-30-9

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

《Oxidative chlorination of various iodoarenes to (dichloroiodo)arenes with chromium(VI) oxide as the oxidant》 was published in Journal of Chemical Research, Synopses in 1999. These research results belong to Kaimierczak, Pawet; Skulski, Lech; Obeid, Nicolas. Quality Control of 3,5-Dichloro-4-methoxybenzoic acid The article mentions the following:

Chromium(VI) oxide dissolved in a mixture of acetic acid with concentrated hydrochloric acid converts, at or near room temperature, iodoarenes to (dichloroiodo)arenes, in a very simple and efficient procedure. In the experimental materials used by the author, we found 3,5-Dichloro-4-methoxybenzoic acid(cas: 37908-97-7Quality Control of 3,5-Dichloro-4-methoxybenzoic acid)

3,5-Dichloro-4-methoxybenzoic acid(cas: 37908-97-7) belongs to organochlorine compounds. The wide structural variety and divergent chemical properties of organochlorides lead to a broad range of names, applications, and properties. Organochlorine compounds have wide use in many applications, though some are of profound environmental concern, with TCDD being one of the most notorious.Quality Control of 3,5-Dichloro-4-methoxybenzoic acid

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

《Challenging clinically unresponsive medullary thyroid cancer: Discovery and pharmacological activity of novel RET inhibitors》 was written by La Pietra, Valeria; Sartini, Stefania; Botta, Lorenzo; Antonelli, Alessandro; Ferrari, Silvia Martina; Fallahi, Poupak; Moriconi, Alessio; Coviello, Vito; Quattrini, Luca; Ke, Yi-Yu; Hsing-Pang, Hsieh; Da Settimo, Federico; Novellino, Ettore; La Motta, Concettina; Marinelli, Luciana. Application In Synthesis of Ethyl 3-(4-chlorophenyl)propanoate And the article was included in European Journal of Medicinal Chemistry on April 25 ,2018. The article conveys some information:

It is now known that “”gain of function”” mutations of RET (REarranged during Transfection) kinase are specific and key oncogenic events in the onset of thyroid gland cancers such as the Medullary Thyroid Carcinoma (MTC). Although a number of RET inhibitors exist and are capable of inhibiting RET variants, in which mutations are outside the enzyme active site, the majority becomes dramatically ineffective when mutations are within the protein active site (V804L and V804M). Pursuing a receptor-based virtual screening against the kinase domain of RET, the authors found that compound (I) is able to inhibit efficiently both wild type and V804L mutant RET. Compound(I) was able to significantly reduce proliferation of both com. available TT cell lines and surgical thyroid tissues obtained from patients with MTC and displayed a suitable drug-like profile, thus standing out as a promising candidate for further development towards the treatment of clin. unresponsive MTC. The results came from multiple reactions, including the reaction of Ethyl 3-(4-chlorophenyl)propanoate(cas: 7116-36-1Application In Synthesis of Ethyl 3-(4-chlorophenyl)propanoate)

Ethyl 3-(4-chlorophenyl)propanoate(cas: 7116-36-1) belongs to organochlorine compounds. Many organochlorine compounds have been isolated from natural sources ranging from bacteria to humans. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Application In Synthesis of Ethyl 3-(4-chlorophenyl)propanoate

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

Product Details of 172222-30-9In 2020 ,《One-Step Ring Opening Metathesis Block-Like Copolymers and their Compositional Analysis by a Novel Retardation Technique》 was published in Angewandte Chemie, International Edition. The article was written by Yasir, Mohammad; Liu, Peng; Markwart, Jens C.; Suraeva, Oksana; Wurm, Frederik R.; Smart, Jansie; Lattuada, Marco; Kilbinger, Andreas F. M.. The article contains the following contents:

Using a one-step synthetic route for block copolymers avoids the repeated addition of monomers to the polymerization mixture, which can easily lead to contamination and, therefore, to the unwanted termination of chain growth. For this purpose, monomers (M1-M5) with different steric hindrances and different propagation rates are explored. Copolymerization of M1 (propagating rapidly) with M2 (propagating slowly), M1 with M3 (propagating extremely slowly) and M4 (propagating rapidly) with M5 (propagating slowly) yielded diblock-like copolymers using Grubbs’ first (G1) or third generation catalyst (G3). The monomer consumption was followed by 1H NMR spectroscopy, which revealed vastly different reactivity ratios for M1 and M2. In the case of M1 and M3, we observed the highest difference in reactivity ratios (r1=324 and r2=0.003) ever reported for a copolymerization method. A triblock-like copolymer was also synthesized using G3 by first allowing the consumption of the mixture of M1 and M2 and then adding M1 again. In addition, in order to measure the fast reaction rates of the G3 catalyst with M1, we report a novel retardation technique based on an unusual reversible G3 Fischer-carbene to G3 benzylidene/alkylidene transformation. In the part of experimental materials, we found many familiar compounds, such as Benzylidenebis(tricyclohexylphosphine)dichlororuthenium(cas: 172222-30-9Product Details of 172222-30-9)

Benzylidenebis(tricyclohexylphosphine)dichlororuthenium(cas: 172222-30-9) is the first metathesis catalyst to be widely used in organic synthesis. It is useful for acyclic diene metathesis polymerization (ADMET), Ring-Opening Metathesis Polymerization (ROMP) of strained cyclic olefins, ring opening metathesis (ROM), and so on.Product Details of 172222-30-9

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

Application In Synthesis of Thiophene-2-sulfonyl chlorideIn 2022 ,《The performance of different AgTiO2 loading into poly(3-nitrothiophene) for efficient adsorption of hazardous brilliant green and crystal violet dyes》 appeared in International Journal of Polymer Science. The author of the article were Alqarni, Sara A.. The article conveys some information:

The in-situ polymerization technol. was used to successfully produce nanostructured binary nanocomposites (NCs) made from a poly(3-nitrothiophen) matrix (P3NT) that were loaded effectively with nanoparticles (NPs) of silver titanium dioxide (AgTiO2), of varying percentages (10%, 20%, and 30%). A uniform coating of P3NT covers the AgTiO2 NPs. Various methods were performed to confirm the fabrication of the binary P3NT/AgTiO2 NCs adsorbents, such as FTIR, XRD, SEM, and EDX. Both dyes (brilliant green (B.G.) and crystal violet (C.V.)) were removed from liquid media by using the binary P3NT/AgTiO2 NCs. A range of batch adsorption studies was used to optimize various factors that impact the elimination of B.G. or C.V. dyes, including the pH, weight of the binary P3NT/AgTiO2 NC, proportion of AgTiO2 NP, time, and temperature The pseudo-second-order kinetics (R2 = 0.999) was better adapted for the adsorption procedure’s empirical data whereby the maximum adsorption capacity of the C.V. dye was 43.10 mg/g and (R2 = 0.996) the maximum adsorption potential was 40.16 mg/g for B.G. dye, succeeded by the pseudo-second-order kinetics. Moreover, the adhesion of B.G. and C.V. pigments on the layers of NCs involves an endothermic reaction. In addition, the concocted adsorbent not only exhibited strong adsorption characteristics during four consecutive cycles but also possessed a higher potential for its reuse. After reading the article, we found that the author used Thiophene-2-sulfonyl chloride(cas: 16629-19-9Application In Synthesis of 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. Application In Synthesis of Thiophene-2-sulfonyl chloride

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

Long, Zhou-Qing; Yang, Lin-Li; Zhang, Jun-Rong; Liu, Shi-Tao; Jiao Xie; Wang, Pei-Yi; Zhu, Jian-Jun; Shao, Wu-Bin; Liu, Li-Wei; Yang, Song published their research in Journal of Agricultural and Food Chemistry in 2021. The article was titled 《Fabrication of Versatile Pyrazole Hydrazide Derivatives Bearing a 1,3,4-Oxadiazole Core as Multipurpose Agricultural Chemicals against Plant Fungal, Oomycete and Bacterial Diseases》.HPLC of Formula: 5781-53-3 The article contains the following contents:

An array of versatile pyrazole hydrazide derivatives bearing a 1,3,4-oxadiazole core I [R = Ph, 3-FC6H4, 4-MeOC6H4, etc.; R1 = 1H-pyrrol-2-yl, 1H-indol-2-yl, 3-(difluoromethyl)-1-methyl-pyrazol-4-yl, etc.] were initially synthesized and biol. evaluated the antifungal, antioomycetes and antibacterial activities. In addition, the pyrazole ring was replaced by the correlative pyrrole, thiazole and indole scaffolds to extend the mol. diversity. The results showed that most of these hybrid compounds were empowered with multifunctional bioactivities. For the antifungal activity, the minimal EC50 values could afford against the corresponding fungi Gibberella zeae, Fusarium oxysporum, Botryosphaeria dothidea and Rhizoctonia solani. In vivo pot experiments against corn scab (caused by G. z.) revealed that the compound I [R = 2-FC6H4; R1 = 3-(difluoromethyl)-1-methyl-pyrazol-4-yl] was effective with protective and curative activities of 90.2 and 86.3% at 200μg/mL, which was comparable to those of fungicides boscalid and fluopyram. Further mol. docking study and enzymic activity anal. indicated that target compounds were promising succinate dehydrogenase inhibitors. Addnl., compounds I [R = Ph, 4-FC6H4; R1 = 3-(difluoromethyl)-1-methyl-pyrazol-4-yl, 1-methyl-3-(trifluoromethyl)pyrazol-4-yl] yielded superior anti-oomycete and antibacterial activities toward Phytophora infestins and Xanthomonas oryzae pv. oryzae with EC50 values of 2.92 and 8.43μg/mL, resp. In vivo trials against rice bacterial blight provided the control efficiency within 51.2-55.3% at 200μg/mL, which were better than that of bismerthiazol. Given their multipurpose characteristics, these structures should be pos. explored as agricultural chems. After reading the article, we found that the author used Methyl 2-chloro-2-oxoacetate(cas: 5781-53-3HPLC of Formula: 5781-53-3)

Methyl 2-chloro-2-oxoacetate(cas: 5781-53-3) belongs to acyl chlorides. In the laboratory, acyl chlorides are generally prepared by treating carboxylic acids with thionyl chloride (SOCl2). The reaction is catalyzed by dimethylformamide and other additives.HPLC of Formula: 5781-53-3

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

In 2022,Zheng, Yu; He, Xian-Chen; Gao, Jie; Xie, Zhen-Zhen; Wang, Zhi-Wei; Liu, Zhi-Lin; Chen, Kai; Xiang, Hao-Yue; Chen, Xiao-Qing; Yang, Hua published an article in Chemical Communications (Cambridge, United Kingdom). The title of the article was 《Programmable iodization/deuterolysis sequences of phosphonium ylides to access deuterated benzyl iodides and aromatic aldehydes》.Electric Literature of C7H6BrCl The author mentioned the following in the article:

A tunable iodization/deuterolysis protocol for phosphonium ylides by employing D2O as the deuterium source were designed. Notably, this process was manipulated by tuning the base, thus leading to two valuable deuterated building blocks – benzyl iodides and aromatic aldehydes with broad substrate scope, good functional group compatibility and excellent deuteration degree. Concise syntheses of a series of deuterated drug analogs was achieved based on the developed deuteration reaction platform. In addition to this study using 1-(Bromomethyl)-4-chlorobenzene, there are many other studies that have used 1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7Electric Literature of C7H6BrCl) was used in this study.

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.Electric Literature of C7H6BrCl 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