Tag: 200-300

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

Muthu Ramalingam, Bose; Dhatchana Moorthy, Nachiappan; Chowdhury, Somenath Roy; Mageshwaran, Thiyagarajan; Vellaichamy, Elangovan; Saha, Sourav; Ganesan, Karthikeyan; Rajesh, B. Navin; Iqbal, Saleem; Majumder, Hemanta K.; Gunasekaran, Krishnasamy; Siva, Ramamoorthy; Mohanakrishnan, Arasambattu K. published an article on February 8 ,2018. The article was titled 《Synthesis and Biological Evaluation of Calothrixins B and their Deoxygenated Analogues》, and you may find the article in Journal of Medicinal Chemistry.Safety of 3,5-Dichloro-2-nitrobenzaldehyde The information in the text is summarized as follows:

A series of calothrixin B analogs bearing substituents at the ‘E’ ring and their corresponding deoxygenated quinocarbazoles lacking quinone unit were synthesized. The cytotoxicities of calothrixins and quinocarbazole analogs were investigated against nine cancer cell lines. Two quinocarbazoles inhibited the catalytic activity of human topoisomerase II. The plasmid DNA cleavage abilities of calothrixins identified compound I causing DNA cleavage comparable to that of calothrixin A. Calothrixin A, 3-fluorocalothrixin I and 4-fluoroquinocarbazole II induced extensive DNA damage followed by apoptotic cell death. Spectral and plasmid unwinding studies demonstrated an intercalative mode of binding for quinocarbazoles. We identified two promising drug candidates, the 3-fluorocalothrixin B I with low toxicity in animal model and its deoxygenated derivative 4-fluoroquinocarbazole II as having potent cytotoxicity against NCI-H460 cell line with a GI50 of 1 nM. In the experiment, the researchers used 3,5-Dichloro-2-nitrobenzaldehyde(cas: 59178-12-0Safety of 3,5-Dichloro-2-nitrobenzaldehyde)

3,5-Dichloro-2-nitrobenzaldehyde(cas: 59178-12-0) belongs to organochlorine compounds. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. Safety of 3,5-Dichloro-2-nitrobenzaldehyde 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.

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

In 2017,Research Journal of Chemical Sciences included an article by Mali, Anil C.; Deshmuh, Dattatray G.; Medhane, Vijay J.; Math, Vijayavitthal T.. Recommanded Product: 1450877-56-1. The article was titled 《Practical synthetic approach to related substances of Rivaroxaban; an anticoagulant drug substance》. The information in the text is summarized as follows:

During the process development of an anticoagulant drug, Rivaroxaban (1), three related substances were detected by a gradient high performance liquid chromatotog. (HPLC) method. Liquid chromatog. mass spectrometry (LC-MS) was performed to identify the mol. mass of these impurities. A detailed study was undertaken to characterize the impurities. Based on the spectral data (1 H NMR, 13C NMR and MS), these impurities were characterized as [(2S)-2,3-dihydroxypropyl]-1H-indene-1,3(2H)-dionn(impurity-1), -({[[{[(5-chloro-2-thienyl)carbonyl]amino}oxo-1,3-oxazolidin-3-yl]phenyl}amino ethoxy]acetic acid (impurity)) and {[(5-chloro-N-oxomorpholin-4-yl)phenyl]amino}propylsynthesis of these impurities with good yields and purities by HPLC is described in this report. The structures of the synthesized impurities (impurity-1, impurity-2 and impurity-3) were further confirmed by co-injecting these impurities with the standard Rivaroxaban sample containing all the three impurities. The retention times of synthesized impurities matches (co-eluted) with the retention times of the impurities present in the standard sample. In the experiment, the researchers used many compounds, for example, 4-Nitrophenyl 5-chlorothiophene-2-carboxylate(cas: 1450877-56-1Recommanded Product: 1450877-56-1)

4-Nitrophenyl 5-chlorothiophene-2-carboxylate(cas: 1450877-56-1) 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. Recommanded Product: 1450877-56-1

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

《Unusual Reactivity of Aryl Aldehydes with Triethyl Phosphite and Zinc Bromide: A Facile Preparation of Epoxides, Benzisoxazoles, and α-Hydroxy Phosphonate Esters》 was published in European Journal of Organic Chemistry in 2015. These research results belong to Raju, Potharaju; Gobi Rajeshwaran, Ganesan; Nandakumar, Meganathan; Mohanakrishnan, Arasambattu K.. Computed Properties of C7H3Cl2NO3 The article mentions the following:

A facile preparation of trans-epoxides was achieved by a (EtO)3P-ZnBr2-mediated deoxygenation reaction of the corresponding 2-nitrobenzaldehydes. The sterically hindered analogs of 2-nitrobenzaldehyde underwent a reaction with tri-Et phosphite in the presence of ZnBr2 as the catalyst to form benzisoxazoles as the sole product. Under identical conditions, the reactions of electron-rich as well as moderately electron-deficient aryl aldehydes furnished the corresponding α-hydroxy phosphonate esters. In the part of experimental materials, we found many familiar compounds, such as 3,5-Dichloro-2-nitrobenzaldehyde(cas: 59178-12-0Computed Properties of C7H3Cl2NO3)

3,5-Dichloro-2-nitrobenzaldehyde(cas: 59178-12-0) belongs to organochlorine compounds. The wide structural variety and divergent chemical properties of organochlorides lead to a broad range of names, applications, and properties.Computed Properties of C7H3Cl2NO3 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

Category: chlorides-buliding-blocksIn 2020 ,《Hydroarylation of Arenes via Reductive Radical-Polar Crossover》 was published in Journal of the American Chemical Society. The article was written by Flynn, Autumn R.; McDaniel, Kelly A.; Hughes, Meredith E.; Vogt, David B.; Jui, Nathan T.. The article contains the following contents:

A photocatalytic system for the dearomative hydroarylation of benzene derivatives has been developed. Using a combination of an organic photoredox catalyst and an amine reductant, this process operates through a reductive radical-polar crossover mechanism where aryl halide reduction triggers a regioselective radical cyclization event, followed by anion formation and quenching to produce a range of complex spirocyclic cyclohexadienes. This light-driven protocol functions at room temperature in a green solvent system (aqueous MeCN) without the need for precious metal-based catalysts or reagents or the generation of stoichiometric metal byproducts. The experimental part of the paper was very detailed, including the reaction process of 1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7Category: chlorides-buliding-blocks)

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.Category: chlorides-buliding-blocks 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

In 2022,Xie, Dandan; Hu, Xin; Ren, Xiaoli; Yang, Zaiping published an article in Frontiers in Chemistry (Lausanne, Switzerland). The title of the article was 《Synthesis and bioactivities of novel piperonylic acid derivatives containing a sulfonic acid ester moiety》.Formula: C6H4Cl2O2S The author mentioned the following in the article:

In order to develop efficient, broad-spectrum and structurally simple agricultural bactericide, the structure of piperonylic acid was modified and a series of novel piperonylic acid derivatives I [R = Ph, 2-naphthyl, benzyl, etc.] containing a sulfonic acid ester moiety was synthesized. Bioassay results indicated the compounds I exhibited significantly antibacterial activities. Among them, compound I [R = phenyl] exhibited excellent antibacterial activities against Pseudomonas syringae pv. Actinidiae (Psa), with inhibitory value 99 and 85% at 100μg/mL and 50μg/mL, resp., which was higher than that of thiodiazole-copper (84 and 77%) and bismerthiazol (96 and 78%). In addition, some compounds also showed moderate insecticidal activity against Spodoptera frugiperda. The above mentioned results confirm the broadening of the application of piperonylic acid, with reliable support for the development of novel agrochem. bactericide. The experimental process involved the reaction of 4-Chlorobenzenesulfonyl chloride(cas: 98-60-2Formula: C6H4Cl2O2S)

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. Formula: C6H4Cl2O2S 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.

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

Rambo, Raoni S.; Waldow, Etienne C.; Abaddi, Bruno L.; Silveira, Maiele D.; Dadda, Adilio S.; Sperotto, Nathalia; Bizarro, Cristiano V.; Basso, Luiz Augusto; Machado, Pablo published their research in Journal of the Brazilian Chemical Society in 2021. The article was titled 《Design, synthesis and antitubercular activity of 2-(benzylthio)-1H-benzo[d]imidazoles》.Application of 622-95-7 The article contains the following contents:

Using mol. simplification and mol. hybridization approaches, a series of 2-(benzylthio)-1H-benzo[d]imidazoles I [R = H, MeO; R1 = H, F, 3,4-(Cl)2, etc.] was synthesized and evaluated as in-vitro inhibitors of Mycobacterium tuberculosis (M. tuberculosis) growth. Compounds I [R = H, MeO; R1 = 3,5-(NO)2] were considered the lead compounds from this series of mols., with minimal inhibitory concentration (MIC) values of 6.9 and 3.8μM against M. tuberculosis H37Rv, resp. Addnl., the leading compounds were active against multidrug-resistant strains and were devoid of apparent toxicity to Vero and HepG2 cells, from 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and neutral red assays. Finally, the compounds I presented good aqueous solubility and high plasma stability. These data together indicated that this class of mols. may furnish new anti-tuberculosis drug candidates for future development. In addition to this study using 1-(Bromomethyl)-4-chlorobenzene, there are many other studies that have used 1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7Application of 622-95-7) was used in this study.

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

Electric Literature of C11H13ClO2On October 13, 2006 ,《Biocatalytic racemization of (hetero)aryl-aliphatic α-hydroxycarboxylic acids by Lactobacillus spp. proceeds via an oxidation-reduction sequence》 was published in European Journal of Organic Chemistry. The article was written by Nestl, Bettina M.; Glueck, Silvia M.; Hall, Melanie; Kroutil, Wolfgang; Stuermer, Rainer; Hauer, Bernhard; Faber, Kurt. The article contains the following contents:

The biocatalytic racemization of a range of (hetero)aryl- and (di)aryl-aliphatic α-hydroxycarboxylic acids has been achieved by using whole resting cells of Lactobacillus spp. The essentially mild (physiol.) reaction conditions ensure the suppression of undesired side reactions, such as elimination, decomposition or condensation. Cofactor/inhibitor studies using a cell-free extract of Lactobacillus paracasei DSM 20207 reveal that the addition of redox cofactors (NAD+/NADI-I) leads to a distinct increase in the racemization rate, while strong inhibition is observed in the presence of Thio-NAD+, which suggests that the racemization proceeds by an oxidation-reduction sequence rather than involvement of a “”racemase”” enzyme. In the experimental materials used by the author, we found Ethyl 3-(4-chlorophenyl)propanoate(cas: 7116-36-1Electric Literature of C11H13ClO2)

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. Electric Literature of C11H13ClO2 Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids.

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

Category: chlorides-buliding-blocksIn 2020 ,《Design, synthesis, and evaluation of new 2-(quinoline-4-yloxy)acetamide-based antituberculosis agents》 appeared in European Journal of Medicinal Chemistry. The author of the article were Borsoi, Ana Flavia; Paz, Josiane Delgado; Abbadi, Bruno Lopes; Macchi, Fernanda Souza; Sperotto, Nathalia; Pissinate, Kenia; Rambo, Raoni S.; Ramos, Alessandro Silva; Machado, Diana; Viveiros, Miguel; Bizarro, Cristiano Valim; Basso, Luiz Augusto; Machado, Pablo. The article conveys some information:

Using a classical mol. simplification approach, a series of 36 quinolines I [R1 = H, Me; R2 = Ph, 4-MeC6H4, 4-FC6H4, etc.] and II [R3 = Ph, Bn, 2-naphthyl, etc.] were synthesized and evaluated as in vitro inhibitors of Mycobacterium tuberculosis (M. tuberculosis) growth. Structure-activity relationship (SAR) studies leaded to potent antitubercular agents, with min. inhibitory concentration (MIC) values as low as 0.3μM against M. tuberculosis H37Rv reference strain. Furthermore, the lead compounds were active against multidrug-resistant strains, without cross-resistance with some first- and second-line drugs. Testing the mols. against a spontaneous mutant strain containing a single mutation in the qcrB gene (T313A) indicated that the synthesized quinolines targeted the cytochrome bc1 complex. In addition, leading compounds were devoid of apparent toxicity to HepG2 and Vero cells and showed moderate elimination rates in human liver S9 fractions. Finally, the selected structures inhibited M. tuberculosis growth in a macrophage model of tuberculosis infection. Taken together, these data indicated that this class of compounds may furnish candidates for the future development of antituberculosis drugs. In the part of experimental materials, we found many familiar compounds, such as 1-(Bromomethyl)-4-chlorobenzene(cas: 622-95-7Category: chlorides-buliding-blocks)

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.Category: chlorides-buliding-blocks 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

Category: chlorides-buliding-blocksIn 2019 ,《Anticancer profile of newly synthesized BRAF inhibitors possess 5-(pyrimidin-4-yl)imidazo[2,1-b]thiazole scaffold》 appeared in Bioorganic & Medicinal Chemistry. The author of the article were Abdel-Maksoud, Mohammed S.; Ammar, Usama M.; Oh, Chang-Hyun. The article conveys some information:

In this work, a new series of imidazo[2,1-b]thiazole was designed and synthesized. The new compounds are having 3-fluorophenyl at position 6 of imidazo[2,1-b]thiazole and pyrimidine ring at position 5. The pyrimidine ring containing either amide or sulfonamide moiety attached to a linker (Et or propyl) at position 2 of the pyrimidine ring. The final compounds were selected by NCI for in vitro cytotoxicity screening. Most derivatives showed cytotoxic activity against colon cancer and melanoma cell lines. In addition, IC50s of the target compounds were determined over A375 and SK-MEL-28 cell lines using sorafenib as pos. control. Compounds12b, 12c, 12e, 12f, 15a, 15d, 15f, 14g and 15h exhibited superior activity when compared to sorafenib. The most potent compounds were tested against wild type BRAF, v600e BRAF, and CRAF. Compound 15h exhibited a potential inhibitory effect againstV600EBRAF (IC50 = 9.3 nM). In the experimental materials used by the author, we found 4-Chlorobenzenesulfonyl chloride(cas: 98-60-2Category: chlorides-buliding-blocks)

4-Chlorobenzenesulfonyl chloride(cas: 98-60-2) 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. Category: chlorides-buliding-blocks

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