Author: Jessica.F

Design, synthesis and preliminary biological evaluation of benzylsulfone coumarin derivatives as anti-cancer agents was written by Wang, Tao;Peng, Tao;Wen, Xiaoxue;Wang, Gang;Sun, Yunbo;Liu, Shuchen;Zhang, Shouguo;Wang, Lin. And the article was included in Molecules in 2019.Name: 1-(Chloromethyl)-3-methylbenzene This article mentions the following:

In this work, a series of benzylsulfone coumarin derivatives I (5a-5o) R¹ = 4-Me, 2-Br, 3-F, etc.; R² = H, NO₂, Br) were synthesized and characterized. Kinase inhibitory activity assay indicated that most of the compounds showed considerable activity against PI3K. Anti-tumor activity studies of the active compounds were also carried out in vitro on the Hela, HepG2, H1299, HCT-116, and MCF-7 tumor cell lines by MTS assay. The structure-activity relationships (SARs) of these compounds were analyzed in detail. Compound 5h (R¹ = 4-F, R² = NO₂) exhibited the most potent activities against the mentioned cell lines with IC₅₀ values ranging from 18.12 to 32.60μM, followed by 5m (R¹ = 4-F, R² = Br) with IC₅₀ values of 29.30-42.14μM. Furthermore, 5h and 5m clearly retarded the migration of Hela cells in vitro. Next, an in silico mol. docking study was conducted to evaluate the binding models of 5h and 5m towards PI3Kα and PI3Kβ. Collectively, the above findings suggested that compounds 5h and 5m might be promising PI3K inhibitors deserving further investigation for cancer treatment. In the experiment, the researchers used many compounds, for example, 1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9Name: 1-(Chloromethyl)-3-methylbenzene).

1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen. 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.Name: 1-(Chloromethyl)-3-methylbenzene

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

Replacement by chlorine of the hydroxyl group in esters of hydroxy acids by means of phosphorus oxychloride and pyridine (steric course of the substitution) was written by Wagner-Jaurego, Theodor. And the article was included in Technische Hochschule, Zurich. Helv. Chim. Acta in 1929.Safety of Methyl 2-chloro-2-phenylacetate This article mentions the following:

POCl₃ can be used to replace OH by Cl in HO acids, provided pyridine is present. In its absence, dehydration often occurs. The chlorination is often accompanied by a reversal in polarity of the optically active acids d-Chlorosuccinic ester is prepared by treating 12.2 g. of l-malic acid (α_D^16.6 -4.62°) and 11.9 g. pyridine with 11.5g. of cold POCl₃, allowing to stand for 1 hr. in a freezing mixture After 22 hrs.’ standing at room temperature, the mass is decomposition with H₂O and extracted with CHCl₃. The extract is washed with H₂O, dried with Na₂SO₄ and distilled It b₁₆, 110-1° (yield 4.8 g.). After refractionation it b_10-1 106-7° (uncorrected), α_D²⁰ +36.6°. Me phenylchloroacetate: 7.4 g. of d-mandelic acid, α_D¹⁸ (CS₂) 172 (pure acid: 214°) + 7.1 g. pyridine + 6.8 g, POCl₃ yielded 4.2 g. b_19-20 133-40°. After refractionation it b_.15.5-14 130-1 (corrected) α_D¹⁸-62.2° (calculated for optically pure product -77.4°) dl-Isomer: 12.5 g. di-mandelic acid + 12 g. pyridine + 11.5 g. POCl₃ gave 6.8 g. of dl-product; b_13-15 129-30° (corrected). In the experiment, the researchers used many compounds, for example, Methyl 2-chloro-2-phenylacetate (cas: 7476-66-6Safety of Methyl 2-chloro-2-phenylacetate).

Methyl 2-chloro-2-phenylacetate (cas: 7476-66-6) 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.Safety of Methyl 2-chloro-2-phenylacetate

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

Structure activity relationship exploration of 5-hydroxy-2-(3-phenylpropyl)chromones as a unique 5-HT_2B receptor antagonist scaffold was written by Kim, Minsoo;Truss, Myles;Pagare, Piyusha P.;Essandoh, Martha A.;Zhang, Yan;Williams, Dwight A.. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2020.Category: chlorides-buliding-blocks This article mentions the following:

Antagonists for the serotonin receptor 2B (5-HT_2B) have clin. applications towards migraine, anxiety, irritable bowl syndrome, and MDMA abuse; however, few selective 5-HT_2B antagonists have been identified. Previous studies from these labs identified a natural product, 5-hydroxy-2-(2-phenylethyl)chromone (5-HPEC, 2) as the first non-nitrogenous ligand for the 5-HT_2B receptor. Studies on 5-HPEC optimization led to the identification of 5-hydroxy-2-(3-phenylpropyl)chromone (5-HPPC, 3), which showed a tenfold improvement in binding affinity over 2 at 5-HT_2B. This study aimed to further improve receptor pharmacol. of this unique scaffold. Guided by mol. modeling studies modifications at the C-3′ and C-4′ positions of 3 were made to probe their effects on ligand binding affinity and efficacy. Among the derivatives synthesized 5-hydroxy-2-(3-(3-cyanophenyl)propyl)chromone (5-HCPC, 3d) showed the most promise with a multifold improvement in binding affinity (pK_i = 7.1 ± 0.07) over 3 with retained antagonism. In the experiment, the researchers used many compounds, for example, 1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9Category: chlorides-buliding-blocks).

1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen. 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.Category: chlorides-buliding-blocks

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

Synthesis and characterization of novel fluorinated thiazolyl 1,3,4-thiadiazoles, 1,2,4-triazoles and 1,3-thiazoles by conventional and non-conventional methods was written by Akolkar, H. N.;Karale, B. K.;Randhavane, P. V.;Dalavi, N. R.. And the article was included in Indian Journal of Chemistry in 2017.Recommanded Product: 2,4-Dichlorophenylisothiocyanate This article mentions the following:

A series of novel fluorinated thiazolyl thiosemicarbazides I (R¹ = R² = H, R³ = F; R¹ = R³ = H, R² = Me; R¹ = R³ = Cl, R² = H, etc.), 1,3,4-thiadiazoles II and 1,2,4-triazoles III have been synthesized by using conventional and non-conventional methods. The compounds 1,3-thiazoles IV have been synthesized from thiosemicarbazide I by using conventional method. The structures of synthesized compounds have been confirmed with the help of spectral techniques. In the experiment, the researchers used many compounds, for example, 2,4-Dichlorophenylisothiocyanate (cas: 6590-96-1Recommanded Product: 2,4-Dichlorophenylisothiocyanate).

2,4-Dichlorophenylisothiocyanate (cas: 6590-96-1) 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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Recommanded Product: 2,4-Dichlorophenylisothiocyanate

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

Library Synthesis Using 5,6,7,8-Tetrahydro-1,6-naphthyridines as Scaffolds was written by Zhou, Ya;Beeler, Aaron B.;Cho, Sanghyun;Wang, Yuehong;Franzblau, Scott G.;Snyder, John K.. And the article was included in Journal of Combinatorial Chemistry in 2008.Category: chlorides-buliding-blocks This article mentions the following:

The chem. of 5,6,7,8-tetrahydro-1,6-naphthyridine scaffolds I [R = H, R¹ = Me, R² = Ph, CH₂OPh, n-Bu; R¹ = Ph, R² = 2-Me-4-MeOC₆H₃], synthesized by intramol. cobalt-catalyzed [2 + 2 + 2] cyclizations, has been exploited for library synthesis. Urea, amide, and sulfonamide formations were used in the synthesis of a 101-membered library. Screening of the library for antituberculosis activity revealed three lead compds I [R = (R)-PhCH(Me)NHCO, 4-MeOC₆H₄NHCO, 4-NCC₆H₄SO₂, R¹ = Ph, R² = 2-Me-4-MeOC₆H₃]. In the experiment, the researchers used many compounds, for example, 2-(3-Methoxyphenyl)acetyl chloride (cas: 6834-42-0Category: chlorides-buliding-blocks).

2-(3-Methoxyphenyl)acetyl chloride (cas: 6834-42-0) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators.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.Category: chlorides-buliding-blocks

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

Thieno[2,3-d]pyrimidine-2-carboxamides bearing a carboxybenzene group at 5-position: Highly potent, selective, and orally available MMP-13 inhibitors interacting with the S1” binding site was written by Nara, Hiroshi;Sato, Kenjiro;Naito, Takako;Mototani, Hideyuki;Oki, Hideyuki;Yamamoto, Yoshio;Kuno, Haruhiko;Santou, Takashi;Kanzaki, Naoyuki;Terauchi, Jun;Uchikawa, Osamu;Kori, Masakuni. And the article was included in Bioorganic & Medicinal Chemistry in 2014.Application In Synthesis of 2-(3-Methoxyphenyl)acetyl chloride This article mentions the following:

On the basis of X-ray co-crystal structures of matrix metalloproteinase-13 (MMP-13) in complex with its inhibitors, our structure-based drug design (SBDD) strategy was directed to achieving high affinity through optimal protein-ligand interaction with the unique S1” hydrophobic specificity pocket. This report details the optimization of lead compound 44 to highly potent and selective MMP-13 inhibitors based on fused pyrimidine scaffolds represented by the thienopyrimidin-4-one 26c. Furthermore, we have examined the release of collagen fragments from bovine nasal cartilage in response to a combination of IL-1 and oncostatin M. 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. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. 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.Application In Synthesis of 2-(3-Methoxyphenyl)acetyl chloride

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

Visible-Light Responsive Sucrose-Containing Macrocyclic Host for Cations was written by Sokolowska, Patrycja;Dabrowa, Kajetan;Jarosz, Slawomir. And the article was included in Organic Letters in 2021.Safety of (Chloromethanetriyl)tribenzene This article mentions the following:

Chiral photoresponsive host 1 was prepared by a high-yield Cs₂CO₃-templated macrocyclization. Trans-1 transforms into long-lived cis-1 (25 days) upon irradiation with green light, and the backward transformation is triggered by blue light. Both isomers prefer potassium among alkali metal cations, and cis-1 binds cations stronger than trans-1 (K_cis/K_trans â‰?4.1). ¹H NMR titration experiments as well as d. functional theory studies reveal that sucrose ring oxygen residues and azobenzene nitrogen atoms in 1 contribute to cation coordination. In the experiment, the researchers used many compounds, for example, (Chloromethanetriyl)tribenzene (cas: 76-83-5Safety of (Chloromethanetriyl)tribenzene).

(Chloromethanetriyl)tribenzene (cas: 76-83-5) 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. 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.Safety of (Chloromethanetriyl)tribenzene

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

Synthesis and biological screening of some new 5,7-dihydro-4H-thieno[2,3-c]pyran-3-yl containing 1,2,4-triazoles, 1,3,4-oxadiazoles, and 1,3-thiazoles was written by Jadhav, Ranjana K.;Akolkar, Hemant N.;Nikumbh, Arun B.;Karale, Bhausaheb K.. And the article was included in Indian Journal of Heterocyclic Chemistry in 2021.Computed Properties of C7H3Cl2NS This article mentions the following:

Some new 5,7-dihydro-4H-thieno[2,3-c]pyran thiosemicarbazides I [R¹ = H, Cl, OMe, OCF₃, Me, Et, R³ = Cl, H, F] were synthesized from 5,7-dihydro-4H-thieno[2,3-c]pyran-3-carbohydrazide and aryl isothiocyanates in ethanol. Compounds I, on refluxing with 1N NaOH, gave (thieno[2,3-c]pyranyl)(phenyl)-4H-1,2,4-triazole-3-thiols II, and with 4N NaOH in the presence of I₂/KI gave (thieno[2,3-c]pyranyl)-N-phenyl-1,3,4-oxadiazol-2-amines III. When I were reacted with 2-bromo-1-(4-fluorophenyl)ethanone to obtain (11Z)-(thiazol-2(3H)-ylidene)-4H-thieno[2,3-c]pyran-3-carbohydrazides IV. The structures of the synthesized compounds were confirmed by using spectral techniques. The compounds were also screened for their antifungal and antibacterial activity. In the experiment, the researchers used many compounds, for example, 2,4-Dichlorophenylisothiocyanate (cas: 6590-96-1Computed Properties of C7H3Cl2NS).

2,4-Dichlorophenylisothiocyanate (cas: 6590-96-1) 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.Computed Properties of C7H3Cl2NS

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

Development of androgen-antagonistic coumarinamides with a unique aromatic folded pharmacophore was written by Koga, Hitomi;Negishi, Mai;Kinoshita, Marie;Fujii, Shinya;Mori, Shuichi;Ishigami-Yuasa, Mari;Kawachi, Emiko;Kagechika, Hiroyuki;Tanatani, Aya. And the article was included in International Journal of Molecular Sciences in 2020.Synthetic Route of C8H4ClNO This article mentions the following:

First-generation nonsteroidal androgen receptor (AR) antagonists, such as flutamide (2a) and bicalutamide (3), are effective for most prostate cancer patients, but resistance often appears after several years due to the mutation of AR. Second-generation AR antagonists are effective against some of these castration-resistant prostate cancers, but their structural variety is still limited. In this study, we designed and synthesized 4-methyl-7-(N-alkyl-arylcarboxamido)coumarins as AR antagonist candidates and evaluated their growth-inhibitory activity toward androgen-dependent SC-3 cells. Coumarinamides with a secondary amide bond did not show inhibitory activity, but their N-methylated derivatives exhibited AR-antagonistic activity. Especially, 19b and 31b were more potent than the lead compound 7b, which was comparable to hydroxyflutamide (2b). Conformational anal. showed that the inactive coumarinamides with a secondary amide bond have an extended structure with a trans-amide bond, while the active N-methylated coumarinamides have a folded structure with a cis-amide bond, in which the two aromatic rings are placed face-to-face. Docking study suggested that this folded structure is important for binding to AR. Selected coumarinamide derivatives showed AR-antagonistic activity toward LNCaP cells with T877A AR, and they had weak progesterone receptor (PR)-antagonistic activity. The folded coumarinamide structure appears to be a unique pharmacophore, different from those of conventional AR antagonists. In the experiment, the researchers used many compounds, for example, 3-Cyanobenzoyl chloride (cas: 1711-11-1Synthetic Route of C8H4ClNO).

3-Cyanobenzoyl chloride (cas: 1711-11-1) 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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Synthetic Route of C8H4ClNO

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