Category: chlorides-buliding-blocks

Electric Literature of C6H3ClFNO2On May 12, 2022 ,《Conformational Constrained 4-(1-Sulfonyl-3-indol)yl-2-phenylaminopyrimidine Derivatives as New Fourth-Generation Epidermal Growth Factor Receptor Inhibitors Targeting T790M/C797S Mutations》 appeared in Journal of Medicinal Chemistry. The author of the article were Chen, Hao; Lai, Mengzhen; Zhang, Tao; Chen, Yuqing; Tong, Linjiang; Zhu, Sujie; Zhou, Yang; Ren, Xiaomei; Ding, Jian; Xie, Hua; Lu, Xiaoyun; Ding, Ke. The article conveys some information:

Tertiary C797S mutation of epidermal growth factor receptor (EGFR)-mediated resistance in non-small-cell-lung-cancer (NSCLC) patients is still an unmet clin. need. Several classes of ATP-competitive or allosteric EGFRT790M/C797S inhibitors and degraders have been developed, but none of them have received approval from the regulatory agencies. Herein, we report the structure-based design of conformational constrained 4-(1-ethylsufonyl-3-indolyl)-2-phenylaminopyrimidines as new EGFRT790M/C797S inhibitors by using a macrocyclization strategy. Representative compound 18j potently inhibited EGFR19del/T790M/C797S and EGFRL858R/T790M/C797S mutants with IC50 values of 15.8 and 23.6 nM and suppressed Ba/F3-EGFRL858R/T790M/C797S and Ba/F3-EGFR19del/T790M/C797S cells with IC50 values of 0.036 and 0.052 μM, resp., which is 10-20-fold more potent than brigatinib. 18j also potently inhibited the EGFR19del/T790M/C797S-mutated PC-9-OR NSCLC cell proliferation with an IC50 value of 0.644 μM but was less potent for parental Ba/F3 and A431 cells. This study provides a new lead compound for drug discovery to combat EGFRC797S-mediated resistance in NSCLC patients. In the part of experimental materials, we found many familiar compounds, such as 3-Chloro-4-fluoronitrobenzene(cas: 350-30-1Electric Literature of C6H3ClFNO2)

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.Electric Literature of C6H3ClFNO2 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

《Total and formal syntheses of fostriecin》 was written by Dong, Gao; Li, Bohui; O’Doherty, George A.. Quality Control of Benzylidenebis(tricyclohexylphosphine)dichlororutheniumThis research focused ontotal formal synthesis fostriecin. The article conveys some information:

Two formal syntheses and one total synthesis of fostriecin (1) have been achieved, as well as, the synthesis of its related congener dihydro-dephospho-fostriecin. All the routes use the Sharpless dihydroxylation to set the absolute stereochem. at C-8/9 positions and a Leighton allylation to set the C-5 position of the natural product. In the formal syntheses a Noyori transfer hydrogenation of an ynone was used to set the C-11 position while the total synthesis employed a combination of asym. dihydroxylation and Pd-π-allyl reduction to set the C-11 position. Finally in the total synthesis, a trans-hydroboration of the C-12/13 alkyne was used in combination with a Suzuki cross coupling to establish the Z,Z,E-triene of fostriecin (1). The experimental part of the paper was very detailed, including the reaction process of Benzylidenebis(tricyclohexylphosphine)dichlororuthenium(cas: 172222-30-9Quality Control of Benzylidenebis(tricyclohexylphosphine)dichlororuthenium)

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.Quality Control of Benzylidenebis(tricyclohexylphosphine)dichlororuthenium

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

In 2019,Journal of Organic Chemistry included an article by Bosmans, Vera; Poater, Jordi; Hammink, Roel; Tinnemans, Paul; Bickelhaupt, F. Matthias; Mecinovic, Jasmin. Related Products of 768-35-4. The article was titled 《Probing Through-Space Polar-π Interactions in 2,6-Diarylphenols》. The information in the text is summarized as follows:

Although it is well established that the acidity of phenol can be fine-tuned with substituents on its aromatic ring via through-bond effects, the role of through-space effects on the acidity of phenols is presently poorly understood. Here, we present integrated exptl. and computational studies on substituted 2,6-diarylphenols that demonstrate the essential contribution from through-space OH-π interactions and O–π interactions in the observed trends in proton affinities and acidities of 2,6-diarylphenols.(3-Fluorophenyl)boronic acid(cas: 768-35-4Related Products of 768-35-4) was used in this study.

(3-Fluorophenyl)boronic acid(cas: 768-35-4) can be used to make novel liquid crystalline fluorobiphenylcyclohexenes and difluoroterphenyls by palladium-catalyzed cross-couplings also used in the synthesis of o-phenylphenols as potent leukotriene B4 receptor agonists.Related Products of 768-35-4

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

In 2019,Organic & Biomolecular Chemistry included an article by Yu, Yanbo; Liang, Qianwa; Liu, Hui; Luo, Zonghua; Hu, Hongzheng; Perlmutter, Joel S.; Tu, Zhude. Related Products of 622-95-7. The article was titled 《Development of a carbon-11 PET radiotracer for imaging TRPC5 in the brain》. The information in the text is summarized as follows:

The transient receptor potential channel subfamily member 5 (TRPC5) is a calcium permeable cation channel widely expressed in the brain. Accumulating evidence indicates that it plays a crucial role in psychiatric disorders including depression and anxiety. Positron emission tomog. (PET) combined with a TRPC5 specific radioligand may provide a unique tool to investigate the functions of TRPC5 in animal disease models to guide drug development targeting TRPC5. To develop a TRPC5 PET radiotracer, the potent TRPC5 inhibitor HC608 was chosen for C-11 radiosynthesis through the N-demethyl amide precursor 7 reacting with [11C]methyl iodide. Under optimized conditions, [11C]HC608 was achieved with good radiochem. yield (25 ± 5%), high chem. and radiochem. purity (>99%), and high specific activity (204-377 GBq μmol-1, decay corrected to the end of bombardment, EOB). The in vitro autoradiog. study revealed that [11C]HC608 specifically binds to TRPC5. Moreover, initial in vivo evaluation of [11C]HC608 performed in rodents and the microPET study in the brain of non-human primates further demonstrated that [11C]HC608 was able to penetrate the blood brain barrier and sufficiently accumulate in the brain. These results suggest that [11C]HC608 has the potential to be a PET tracer for imaging TRPC5 in vivo. The experimental part of the paper was very detailed, including the reaction process of 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

Wang, Hongjian; Lv, Kai; Li, Xiaoning; Wang, Bo; Wang, Apeng; Tao, Zeyu; Geng, Yunhe; Wang, Bin; Huang, Menghao; Liu, Mingliang; Guo, Huiyuan; Lu, Yu published an article on February 28 ,2019. The article was titled 《Design, synthesis and antimycobacterial activity of novel nitrobenzamide derivatives》, and you may find the article in Chinese Chemical Letters.Category: chlorides-buliding-blocks The information in the text is summarized as follows:

A series of nitrobenzamide derivatives containing N-benzyl or N-pyridinylmethyl moieties I [R = H, 5-CF3, 5-F, etc.; R1 = F, 4-chloro-1-piperidyl, 4-(4-fluorophenyl)piperazin-1-yl, etc.; X = Y = CH; X = CH, Y = N; X = N, Y = CH] was designed and synthesized as new anti-tubercular agents. Many of synthesized compounds I exhibited potent in vitro antitubercular activity. Four compounds I [R = 5-NO2; R1 = 4-MeO, 4-(trifluoromethyl)-1-piperidyl, 4-chloro-1-piperidyl, 4-(4-fluorophenyl)piperazin-1-yl] had not only the same excellent MIC values against both drug-sensitive MTB strain H37Rv and two drug-resistant clin. isolates as PBTZ169 and the lead I [R = 5-NO2; R1 = 4-(trifluoromethyl)-1-piperidyl; X = Y = CH], but also acceptable safety indexes. In the part of experimental materials, we found many familiar compounds, such as 2,4-Dichloro-5-nitrobenzoic acid(cas: 19861-62-2Category: chlorides-buliding-blocks)

2,4-Dichloro-5-nitrobenzoic acid(cas: 19861-62-2) belongs to organochlorine compounds. Many organochlorine compounds have been isolated from natural sources ranging from bacteria to humans. Category: chlorides-buliding-blocks 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

The author of 《A Switch-On Fluorescence Assay for Bacterial β-Lactamases with Amyloid Fibrils as Fluorescence Enhancer and Visual Tool》 were Zou, Lan; Cheong, Wing-Lam; Chung, Wai-Hong; Leung, Yun-Chung; Wong, Kwok-Yin; Wong, Man-Kin; Chan, Pak-Ho. And the article was published in Chemistry – A European Journal in 2010. Category: chlorides-buliding-blocks The author mentioned the following in the article:

Herein is described the development of a novel switch-on fluorescence assay for detecting β-lactamases. The fluorescence assay comprises two components: solid beads coated with a β-lactam antibiotic, which is linked to an environment-sensitive fluorophore (dansylaminothiophenol, DTA), and amyloid fibrils of hen lysozyme (acting as fluorescence enhancer and visual tool). In the presence of the clin. significant TEM-1 β-lactamase, the DTA-antibiotic complex on the solid beads is hydrolyzed, thus releasing the DTA dye into solution The DTA dye is only weakly fluorescent in solution but gives strong green fluorescence upon binding to lysozyme fibrils. These strongly fluorescent DTA-bound fibrils can be easily visualized by the naked eye upon illumination of the sample with a simple UV lamp. The fluorescence assay can detect TEM-1 at low concentration (0.01 nM). In contrast, no observable fluorescence appears when the fluorescence assay is performed on samples without the TEM-1 β-lactamase. In addition to this study using (6R,7R)-Benzhydryl 7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride, there are many other studies that have used (6R,7R)-Benzhydryl 7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride(cas: 79349-53-4Category: chlorides-buliding-blocks) was used in this study.

(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.Category: chlorides-buliding-blocks 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

Gonzalez-Bello, C.; Castedo, L. published an article in Science of Synthesis. The title of the article was 《Product class: monohydric phenol, and corresponding phenolates – synthesis by rearrangement》.Related Products of 56966-48-4 The author mentioned the following in the article:

A review of methods to prepare monohydric phenols and corresponding phenolates by rearrangement. The experimental part of the paper was very detailed, including the reaction process of 2-Amino-2,4-dichlorodiphenyl ether(cas: 56966-48-4Related Products of 56966-48-4)

2-Amino-2,4-dichlorodiphenyl ether(cas: 56966-48-4) belongs to anime. Examples of direct uses of amines and their salts are as corrosion inhibitors in boilers and in lubricating oils (morpholine), as antioxidants for rubber and roofing asphalt (diarylamines), as stabilizers for cellulose nitrate explosives (diphenylamine), as protectants against damage from gamma radiation (diarylamines), as developers in photography (aromatic diamines), as flotation agents in mining, as anticling and waterproofing agents for textiles, as fabric softeners, in paper coating, and for solubilizing herbicides.Related Products of 56966-48-4

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

Computed Properties of C7H6Cl2On June 1, 2021, Sui, Yan-Fei; Ansari, Mohammad Fawad; Zhou, Cheng-He published an article in Chemistry – An Asian Journal. The article was 《Pyrimidinetrione-imidazoles as a Unique Structural Type of Potential Agents towards Candida Albicans: Design, Synthesis and Biological Evaluation》. The article mentions the following:

A series of pyrimidinetrione-imidazole conjugates I [R1 = H, Et, 2-chlorobenzl, etc.] as potentially antifungal agents were developed. Bioassays manifested that I [R1 = 4-fluorobenzl] exerted favorable inhibition towards C. albicans (MIC=0.002 mM), being 6.5 folds more active than clin. antifungal drug fluconazole (MIC=0.013 mM). Preliminary mechanism research indicated that compound I [R1 = 4-fluorobenzl] could not only depolarize membrane potential but also permeabilize the membrane of C. albicans. Mol. docking was operated to simulate the interaction mode between mol. I [R1 = 4-fluorobenzl] and CYP51. In addition, hybrid I [R1 = 4-fluorobenzl] might form I [R1 = 4-fluorobenzl]-DNA supramol. complex via intercalating into DNA. The interference of membrane and DNA might contributed to its fungicidal capacity with no obvious tendency to induce the resistance against C. albicans. Conjugate I [R1 = 4-fluorobenzl] endowed good blood compatibility as well as low cytotoxicity towards HeLa and HEK-293T cells. In addition to this study using 3-Chlorobenzylchloride, there are many other studies that have used 3-Chlorobenzylchloride(cas: 620-20-2Computed Properties of C7H6Cl2) was used in this study.

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.Computed Properties of C7H6Cl2

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

《Efficient One-Pot Multifunctionalization of Alkynes en Route to α-Alkoxyketones, α-Thioketones, and α-Thio Thioketals by using an Umpolung Strategy》 was published in Chemistry – A European Journal in 2017. These research results belong to Xu, Zhou; Zhai, Rongliang; Liang, Ting; Zhang, Liming. Product Details of 39183-20-5 The article mentions the following:

The use of polarized synthons is a highly desirable strategy, as it generally enables unprecedented retrosynthetic disconnections for the synthesis of unique substances. Herein, a new approach for α-alkoxy and α-alkylthio ketones R1C(O)CH2XR2 [X = O, S; R1 = n-nonyl, R2 = Me, i-Pr, H2C:CHCH2, cyclohexyl, etc.; R1 = Cl(CH2)3, HO(CH2)4, (EtO2C)2CH, etc., R2 = Et] and α-thio thioketals R1C(SR2)2CH2SR2 (R1 = n-Bu, 2-phthalimidoethyl, PhOCH2CH2, etc.; R2 = Et, n-Pr, i-Pr) via an intermol. umpolung reaction between nucleophiles, such as alcs. or thiols R2XH and N-alkenyloxypyridinium salts H2C:CR1OPy+ -NTf2 (Py+ = 1-pyridinium), which were generated from the corresponding alkynes R1CCH, has been developed for the first time. The reactions proceed with good substrate scope and excellent functional group tolerance in one-pot manner. Applications of the products, α-oxygenated ketones, to the synthesis of other valuable synthetic moieties have also been successfully achieved.2-Methyl-5-nitro-6-chlorophenol(cas: 39183-20-5Product Details of 39183-20-5) was used in this study.

2-Methyl-5-nitro-6-chlorophenol(cas: 39183-20-5) 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.Product Details of 39183-20-5

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

《Discovery of novel 1,3,5-triazine derivatives as potent inhibitor of cervical cancer via dual inhibition of PI3K/mTOR》 was written by Hu, Junbo; Zhang, Yanli; Tang, Na; Lu, Yanju; Guo, Peng; Huang, Ziming. Quality Control of 4-Chlorobenzenesulfonyl chlorideThis research focused ontriazine preparation cervical antitumor activity enzyme inhibitor SAR; 1,3,5-triazine; Apoptosis; Cell cycle; Cell viability; Cervical cancer; PI3K; mTOR. The article conveys some information:

This study describes the synthesis of novel 1,3,5-triazine derivatives I (R = H, 2-OMe, 3-NO2, 4-Cl, etc.) as potent inhibitors of cervical cancer. The compounds I were initially tested for inhibition of PI3K/mTOR, where they showed significant inhibitory activity. The top-ranking mol. [compound I (R = 4-OH) (II)] was further tested against class I PI3K isoforms, such as PI3Kα, PI3Kβ, PI3Kγ and PI3Kδ, where it showed the most significant activity against PI3Kα. Compound II was then tested for anti-cancer activity against triple-neg. breast cancer cells (MDA-MB321), human breast cancer cells (MCF-7), human cervical cancer cells (HeLa) and human liver cancer cells (HepG2), and it showed the greatest potency against HeLa cells. The effects of compound II were further evaluated against the HeLa cells, where it showed significant attenuation of cell viability by inducing cell cycle arrest in the G1 phase. Compound II induced apoptosis and reduced migration and invasion of HeLa cells. Western blotting anal. showed that II inhibited PI3K and mTOR with pos. modulation of Bcl-2 and Bax levels in HeLa cells. The effects of compound II were also investigated in a tumor xenograft mouse model, where it showed reduction of tumor volume and weight It also inhibited the PI3K/Akt/mTOR signaling cascade in xenograft tumor tissues, as evidenced by western blotting anal. The results of the present study suggest the possible utility of the designed 1,3,5-triazine derivative I as a potent inhibitor of cervical cancer. After reading the article, we found that the author used 4-Chlorobenzenesulfonyl chloride(cas: 98-60-2Quality Control of 4-Chlorobenzenesulfonyl chloride)

4-Chlorobenzenesulfonyl chloride(cas: 98-60-2) 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 4-Chlorobenzenesulfonyl chloride

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