Category: benzothiophene

Quality Control of Ethylenediaminetetraaceticacidferricsodiumsalttrihydrate. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Ethylenediaminetetraaceticacidferricsodiumsalttrihydrate, is researched, Molecular C10H18FeN2NaO11, CAS is 2489531-02-2, about Stability evaluation of iron and vitamin A during processing and storage of fortified pasta. Author is Sharma, N.; Sharma, S.; Singh, B.; Kaur, G..

Pasta holds greater potential for improving the nutritional status of the population and its fortification with micronutrients like iron and vitamin A could be an effective strategy to provide the essential nutrients in the diet. This study quantified the losses of two different micronutrients (iron and vitamin A) in fortified pasta postprocessing and during storage for 4 mo. Chem. salts of iron, namely, ferric sodium ethylene diamine tetra-acetic acid (NaFeEDTA) and ferrous sulfate (FeSO4), were added to pasta formulation at 4,5,6 mg/100g and 6,7,8 mg/100g resp., whereas for vitamin A, retinyl acetate (RA) was added at 700, 800 and 900μg/100g. After processing, the prepared pasta with both iron salts showed retention of 94-95% for iron and 90-92% of vitamin A activity. Iron and vitamin A-fortified pasta with maximum retention during processing and exhibiting optimum color attributes and sensory score were stored alone and in combination (NaFeEDTA and RA) at 25 and 40°C in laminates (aluminum laminates) and polypropylene packets for a period of 4 mo and evaluated for changes in their iron and vitamin A contents. An overall retention of 93-95% of the iron and 56-62% of vitamin A was observed after 4 mo considering losses during processing and storage. Among the two packaging materials used, laminates retained more of iron and vitamin A activity than polypropylene. No difference in retention rates was observed for iron and vitamin A when fortified alone or in combination.

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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Barysevich, Maryia V.; Aniskevich, Yauhen M.; Hurski, Alaksiej L. researched the compound: Methyl 3-bromopropanoate( cas:3395-91-3 ).Safety of Methyl 3-bromopropanoate.They published the article 《Electrochemical Synthesis of 2-Bromoethyl and 2-Iodoethyl Ketones from Cyclopropanols》 about this compound( cas:3395-91-3 ) in Synlett. Keywords: haloalkyl ketone preparation; alkyl cyclopropanol magnesium halide electrochem regioselective ring opening halogenation. We’ll tell you more about this compound (cas:3395-91-3).

A simple electrochem. protocol for the preparation of 2-bromoethyl- and 2-iodoethyl ketones from cyclopropanols and magnesium halides were developed. The reaction proceeded with exclusive regioselectivity and without epimerization of the α-stereocenter in the products. The synthesized diastereomerically pure 2-bromoethyl ketones underwent smooth copper and nickel-catalyzed alkylation, alkenylation, and arylations reactions.

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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Category: benzothiophene. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Methyl 3-bromopropanoate, is researched, Molecular C4H7BrO2, CAS is 3395-91-3, about In vitro evaluation of antiproliferative properties of novel organotin(IV) carboxylate compounds with propanoic acid derivatives on a panel of human cancer cell lines. Author is Pantelic, Nebojsa D.; Bozic, Bojan; Zmejkovski, Bojana B.; Banjac, Nebojsa R.; Dojcinovic, Biljana; Wessjohann, Ludger A.; Kaluderovic, Goran N..

The synthesis of novel triphenyltin(IV) compounds, Ph3SnLn (n = 1-3), with oxaprozin (3-(4,5-diphenyloxazol-2-yl)propanoic acid), HL1, and the new propanoic acid derivatives 3-(4,5-bis(4-methoxylphenyl)oxazol-2-yl)propanoic acid, HL2, and 3-(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)propanoic acid, HL3, has been performed. The ligands represent com. drugs or their derivatives and the tin complexes have been characterized by standard anal. methods. The in vitro antiproliferative activity of both ligands and organotin(IV) compounds has been evaluated on the following tumor cell lines: human prostate cancer (PC-3), human colorectal adenocarcinoma (HT-29), breast cancer (MCF-7), and hepatocellular cancer (HepG2), as well as on normal mouse embryonic fibroblast cells (NIH3T3) with the aid of MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-12 diphenyltetrazolium bromide) and CV (crystal violet) assays. Contrary to the inactive ligand precursors, all organotin(IV) carboxylates showed very good activity with IC50 values ranging from 0.100 to 0.758 μM. According to the CV assay (IC50 = 0.218 ± 0.025 μM), complex Ph3SnL1 demonstrated the highest cytotoxicity against the caspase 3 deficient MCF-7 cell line. Inductively coupled plasma mass spectrometry (ICP-MS) anal. indicated a two-fold lower concentration of tin in MCF-7 cells in comparison to platinum. To investigate the mechanism of action of the compound Ph3SnL1 on MCF-7 cells, morphol., autophagy and cell cycle anal., as well as the activation of caspase and ROS/RNS and NO production, has been performed. Results suggest that Ph3SnL1 induces caspase-independent apoptosis in MCF-7 cells.

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Benzothiophene – Wikipedia,
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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Selective mono N-methylation of anilines with methanol catalyzed by rhenium complexes: An experimental and theoretical study, published in 2018-10-31, which mentions a compound: 1086138-36-4, mainly applied to aniline methanol rhenium complex catalyst selective monomethylation; methylaniline preparation, Recommanded Product: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine.

The selective mono-N-methylation of anilines using methanol as an alkylating reagent was achieved with high efficiency under the catalysis of well-defined rhenium complexes bearing tridentate diphosphinoamino ligands and in the presence of a base. The reaction proceeds well for a large scope of anilines (32 examples) with low loadings of both the catalyst (down to 0.5 mol%) and the base (Cs2CO3, down to 5 mol%). The mechanism of the reaction was investigated by DFT (PBE0-D3) calculations

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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Recommanded Product: 3395-91-3. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Methyl 3-bromopropanoate, is researched, Molecular C4H7BrO2, CAS is 3395-91-3, about Catalytic Asymmetric Homologation of Ketones with α-Alkyl α-Diazo Esters.

The homologation of ketones with diazo compounds was a useful strategy to synthesize one-carbon chain-extended acyclic such as PhC(O)CMeCO2MeR [R = allyl, Bn, CH2(2-naphthyl), etc.] or ring-expanded cyclic ketones e.g., I. However, the asym. homologation of acyclic ketones with α-diazo esters remains a challenge due to the lower reactivity and complicated selectivity. Herein, the enantioselective catalytic homologation of acetophenone and related derivatives with α-alkyl α-diazo esters was reported utilizing a chiral scandium(III) N,N’-dioxide as the Lewis acid catalyst. This reaction supplies a highly chemo-, regio-, and enantioselective pathway for the synthesis of optically active β-keto esters with an all-carbon quaternary center through highly selective alkyl-group migration of the ketones. Moreover, the ring expansion of cyclic ketones was accomplished under slightly modified conditions, affording a series of enantioenriched cyclic β-keto esters. D. functional theory calculations was carried out to elucidate the reaction pathway and possible working models that could explain the observed regio- and enantioselectivity.

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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Barysevich, Maryia V.; Aniskevich, Yauhen M.; Hurski, Alaksiej L. researched the compound: Methyl 3-bromopropanoate( cas:3395-91-3 ).Product Details of 3395-91-3.They published the article 《Electrochemical Synthesis of 2-Bromoethyl and 2-Iodoethyl Ketones from Cyclopropanols》 about this compound( cas:3395-91-3 ) in Synlett. Keywords: haloalkyl ketone preparation; alkyl cyclopropanol magnesium halide electrochem regioselective ring opening halogenation. We’ll tell you more about this compound (cas:3395-91-3).

A simple electrochem. protocol for the preparation of 2-bromoethyl- and 2-iodoethyl ketones from cyclopropanols and magnesium halides were developed. The reaction proceeded with exclusive regioselectivity and without epimerization of the α-stereocenter in the products. The synthesized diastereomerically pure 2-bromoethyl ketones underwent smooth copper and nickel-catalyzed alkylation, alkenylation, and arylations reactions.

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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Methyl 3-bromopropanoate( cas:3395-91-3 ) is researched.COA of Formula: C4H7BrO2.Mennie, Katrina M.; Vara, Brandon A.; Levi, Samuel M. published the article 《Reductive sp3-sp2 Coupling Reactions Enable Late-Stage Modification of Pharmaceuticals》 about this compound( cas:3395-91-3 ) in Organic Letters. Keywords: chloroaminopyrimidine bromide alkyl halide chemoselective cross electrophile reductive coupling. Let’s learn more about this compound (cas:3395-91-3).

Late-stage derivatization of pharmaceutically relevant scaffolds relies on the availability of highly functional-group tolerant reactions. Reactions that increase the sp3 character of mols. enable the pursuit of more selective and well-tolerated pharmaceuticals. Herein, we report the use of sp3-sp2 cross-electrophile reductive couplings to modify a generic ATP-competitive kinase inhibitor with a broad range of primary and secondary alkyl halide coupling partners.

In addition to the literature in the link below, there is a lot of literature about this compound(Methyl 3-bromopropanoate)COA of Formula: C4H7BrO2, illustrating the importance and wide applicability of this compound(3395-91-3).

Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Cao, Jie; Chi, Jinnan; Xia, Junfei; Zhang, Yanru; Han, Shangcong; Sun, Yong published the article 《Iodinated Cyanine Dyes for Fast Near-Infrared-Guided Deep Tissue Synergistic Phototherapy》. Keywords: iodinated cyanine dye NIR phototherapy photodynamic therapy; Iodinated cyanine dyes; NIR imaging; enhanced ROS production; photodynamic therapy; photothermal therapy.They researched the compound: Methyl 3-bromopropanoate( cas:3395-91-3 ).Application of 3395-91-3. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:3395-91-3) here.

Phototheranostics, which combines deep tissue imaging and phototherapy [photodynamic therapy (PDT) and/or photothermal therapy (PTT)] via light irradiation, is a promising strategy to treat tumors. Near-IR (NIR) cyanine dyes are researched as potential phototheranostics reagents for their excellent photophys. properties. However, the low singlet oxygen generation efficiency of cyanine dyes often leads to inadequate therapeutic efficacy for tumors. Herein, we modified an indocyanine green derivative Cy7 with heavy atom iodine to form a novel NIR dye CyI to improve the reactive oxygen species (ROS) production and heat generation while, at the same time, maintain their fluorescence characteristics for in vivo noninvasive imaging. More importantly, in vitro and in vivo therapeutic results illustrated that CyI could quickly and simultaneously generate enhanced ROS and heat to induce more cancer cell apoptosis and higher inhibition rates in deep HepG2 tumors than other noniodinated NIR dyes upon NIR irradiation Besides, low toxicity of the resulted iodinated NIR dyes was confirmed by in vivo biodistribution and acute toxicity. Results indicate that this low toxic NIR dye could be an ideal phototheranostics agent for deep tumor treatments. Our study presents a novel approach to achieve the fast-synergistic PDT/PTT treatment in deep tissues.

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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Functional brain imaging in larval zebrafish for characterising the effects of seizurogenic compounds acting via a range of pharmacological mechanisms, published in 2021-07-31, which mentions a compound: 122955-13-9, Name is XE991 Dihydrochloride, Molecular C26H22Cl2N2O, Safety of XE991 Dihydrochloride.

Functional brain imaging using genetically encoded Ca2+ sensors in larval zebrafish is being developed for studying seizures and epilepsy as a more ethical alternative to rodent models. Despite this, few data have been generated on pharmacol. mechanisms of action other than GABAA antagonism. Assessing larval responsiveness across multiple mechanisms is vital to test the translational power of this approach, as well as assessing its validity for detecting unwanted drug-induced seizures and testing antiepileptic drug efficacy. Using light-sheet imaging, we systematically analyzed the responsiveness of 4 days post fertilisation (dpf; which are not considered protected under European animal experiment legislation) transgenic larval zebrafish to treatment with 57 compounds spanning more than 12 drug classes with a link to seizure generation in mammals, alongside eight compounds with no such link. We show 4dpf zebrafish are responsive to a wide range of mechanisms implicated in seizure generation, with cerebellar circuitry activated regardless of the initiating pharmacol. Anal. of functional connectivity revealed compounds targeting cholinergic and monoaminergic reuptake, in particular, showed phenotypic consistency broadly mapping onto what is known about neurotransmitter-specific circuitry in the larval zebrafish brain. Many seizure-associated compounds also exhibited altered whole brain functional connectivity compared with controls. This work represents a significant step forward in understanding the translational power of 4dpf larval zebrafish for use in neuropharmacol. studies and for studying the events driving transition from small-scale pharmacol. activation of local circuits, to the large network-wide abnormal synchronous activity associated with seizures.

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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Wang, Yakun; Li, Yueyun; Lian, Mingming; Zhang, Jixia; Liu, Zhaomin; Tang, Xiaofei; Yin, Hang; Meng, Qingwei published the article 《Asymmetric α-alkylation of cyclic β-keto esters and β-keto amides by phase-transfer catalysis》. Keywords: indanone preparation enantioselective; keto ester alkyl bromide alkylation cinchona phase transfer catalyst; amide keto alkyl bromide alkylation cinchona phase transfer catalyst; tetralone preparation enantioselective.They researched the compound: Methyl 3-bromopropanoate( cas:3395-91-3 ).Electric Literature of C4H7BrO2. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:3395-91-3) here.

Without employing any transition metal, a highly enantioselective α-alkylation of cyclic β-keto esters and β-keto amides has been realized by phase-transfer catalysis. This improved procedure is applicable to different kinds of bromides with cinchona derivatives and gives the corresponding products e.g., I and e.g., II, in excellent enantiopurities (up to 98% ee) and good yields (up to 98%). Moreover, the reaction was scalable and the phase-transfer catalyst was recyclable. This provided an alternative and competitive method to the asym. α-alkylation of β-dicarbonyl compounds

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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem