Day: July 16, 2021

The Best Chemistry compound: 6-Methoxy-2-(4-methoxyphenyl)-1-benzothiophene

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New Advances in Chemical Research in 2021. Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction by binding to a specific portion of an enzyme and thus slowing or preventing a reaction from occurring. Formula: C16H14O2S, In an article, mentioned the application of 63675-74-1, Name is 6-Methoxy-2-(4-methoxyphenyl)-1-benzothiophene, molecular formula is C16H14O2S

The invention relates to new furans and thiophenes with the general Formula 1, STR1 in which R1 and R2 independently of one another denote a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, a benzyl group, a group C(O)R4, where R4 is an alkyl or alkoxy group having 1 to 10 carbon atoms or a phenyl radical, or a carbamoyl group –C(O)NR5 R6, where R5 and R6 independently of one another are a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and n denotes an integer from 0 to 12 if R3 is a hydrogen atom, or n denotes an integer from 4 to 12 if R3 is an amino group –NR7 R8, where R7 and R8 independently of one another represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms or R7 and R8 together represent an alkylene group –(CH2)m — or the group –(CH2)2 — or R3 denotes an amide group –C(O)NR7 R 8, where R7 and R8 have the abovementioned meanings, or R3 denotes a sulphinyl group –S(O)R3, where R9 is the radical –(CH2)m (CF2)o CF3 and m and o are 2, 3, 4, 5 or 6 and x denotes an oxygen or sulphur atom. These new compounds are strong and selective anti-oestrogens, and have therapeutic applications in the treatment of oestrogen-related illnesses.

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

 

The Best Chemistry compound: 5-Bromobenzothiophene

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Compounds of formula (I) 1or a pharmaceutically acceptable salts or prodrug thereof which are useful for the modulation of the histamine-3 receptors in mammals and which are useful for the treatment of disorders ameliorated by histamine-3 receptor ligands.

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

 

Properties and Exciting Facts About 90407-11-7

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In heterogeneous catalysis, catalysts provide a surface to which reactants bind in a process of adsorption. The reactant in an enzyme-catalyzed reaction is called a substrate. HPLC of Formula: C9H5ClO3S, C9H5ClO3S. A document type is Article, introducing its new discovery., HPLC of Formula: C9H5ClO3S

The 7-chloro and 7-nitro derivatives of benzothiophene and 1,2-benzisothiazole have been prepared from readily available precursors, which for each substituent are common to both ring systems. 7-Chlorobenzothiophene has been obtained from 3-chloro-2-mercaptobenzoic acid via 7-chlorobenzothiophen-3(2H)-one, or from 2,3-dichlorobenzaldehyde, either via beta-(2,3-dichlorophenyl)-alpha-mercaptoacrylic acid (16) or, preferably, via 7-chlorobenzothiophene-2-carboxylic acid.Hexamethylphosphoric triamide is a particularly useful solvent in which to effect the selective nucleophilic replacement of the 2-chloro substituent in 2,3-dichlorobenzaldehyde. 7-Chloro-1,2-benzisothiazole is available by treatment of 3-chloro-2-mercaptobenzaldehyde with chloramine (57percent), or by heating 2,3-dichlorobenzaldehyde with sulphur and aqueous ammonia (46percent). 7-Nitrobenzothiophene has been obtained by treatment of 2-bromo-3-nitrobenzaldehyde with mercaptoacetic acid under alkaline conditions, followed by decarboxylation of the resulting 2-carboxylic acid.Cyclisation of 2-(n- or t-butylthio)-3-nitrobenzaldoxime with polyphosphoric acid gives 7-nitro-1,2-benzisothiazole in high yield. 3-Nitro-2-t-bytylthiobenzaldehyde behaves unexpectedly with chloramine, to give what is believed to be 7-nitro-2-t-butyl-1,2-benzothiazolium chloride (24) (73percent).

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

 

The Best Chemistry compound: 6-Aminobenzo[b]thiophene 1,1-dioxide

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20503-40-6, New research progress on 20503-40-6 in 2021. Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis. In a article, 20503-40-6, molcular formula is C8H7NO2S, introducing its new discovery.

Aminoguanidine and alkoxyguanidine compounds, including compounds of the formula: wherein X is O or NR 9 and R 114 R 4, R 6-R 9, R 11, R 12, R a, R b, R c, Y, Z, n and mare set forth in the specification, as well as hydrates, solvates or pharmaceutically acceptable salts thereof, that inhibit proteolytic enzymes such as thrombin are described. Also described are methods for preparing the compounds of Formula I. The novel compounds of the present invention are potent inhibitors of proteases, especially trypsin-like serine proteases, such as chymotrypsin, trypsin, thrombin, plasmin and factor Xa. Certain of the compounds exhibit antithrombotic activity via direct, selective inhibition of thrombin, or are intermediates useful for forming compounds having antithrombotic activity. The invention includes a composition for inhibiting loss of blood platelets, inhibiting formation of blood platelet aggregates, inhibiting formation of fibrin, inhibiting thrombus formation, and inhibiting embolus formation in a mammal, comprising a compound of the invention in a pharmaceutically acceptable carrier. Other uses of compounds of the invention are as anticoagulants either embedded in or physically linked to materials used in the manufacture of devices used in blood collection, blood circulation, and blood storage, such as catheters, blood dialysis machines, blood collection syringes and tubes, blood lines and stents.

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

 

What I Wish Everyone Knew About 63675-74-1

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New Advances in Chemical Research in 2021. Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction by binding to a specific portion of an enzyme and thus slowing or preventing a reaction from occurring. HPLC of Formula: C16H14O2S, In an article, mentioned the application of 63675-74-1, Name is 6-Methoxy-2-(4-methoxyphenyl)-1-benzothiophene, molecular formula is C16H14O2S

Methoxy and ethoxy substituted 3-aroyl-2-arylbenzo[b]thiophenes and benzo[b]thiophene analogues are described for use in inhibiting tubulin polymerization. The compounds’ use for treating tumor cells is also described. Additional aspects described here are certain diaryl ether benzo[b]thiophene derivatives. Also described are particular analogs derived from dihydronaphthalene which have proven particularly effective. Certain new benzofuran analogs are described, as well as certain sulfur oxide benzo[b]thiophene analogs. Important compounds described herein include the first nitrogen-containing derivatives of combretastatin. These include nitro, amino and azide combrdtastatin derivatives.

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

 

Extracurricular laboratory:new discovery of 4923-87-9

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A novel palladium(0)-catalyzed intermolecular arylative dearomatization of alpha-naphthols and subsequent aza-Michael reaction is described. Two adjacent stereocenters were constructed efficiently through consecutive arylative dearomatization and Michael addition reactions. By utilizing this method, structurally diverse benzomesembrine derivatives were synthesized with excellent yields and chemoselectivity. The benzomesembrine products were shown to undergo versatile functional-group transformations.

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

 

Extended knowledge of 6-Methoxy-2-(4-methoxyphenyl)-1-benzothiophene

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Related Products of 63675-74-1, New research progress on 63675-74-1 in 2021. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. In a article, 63675-74-1, molcular formula is C16H14O2S, introducing its new discovery.

In an effort to prepare nonsteroidal antiestrogens demonstrating greater antagonism and less intrinsic estrogenicity than those currently available, a series of 3-aroyl-2-arylbenzothiophene derivatives was synthesized.These compounds were prepared by Friedel-Crafts aroylation of appropriate O-protected 2-arylbenzothiophene nuclei with basic side-chain-bearing benzoyl chlorides followed by removal of the protective groups to provide the desired compounds containing both hydroxyl and basic side-chain functionality.A particularly useful method for the cleavage of aryl methoxy ethers without removal of (dialkylamino)ethoxy side chain functionality elsewhere in the molecule was found to be AlCl3/EtSH.The benzothiophene derivatives were tested for their ability to inhibit the growth-stimulating action of estradiol on the immature rat uterus.Seemingly minor changes in the side-chain amine moiety were found to have profound effects on the ability of the compounds to antagonize estradiol.Analogues having basic side chains containing cyclic (pyrrolidine, piperidine, and hexamethyleneamine) moieties were found to have less intrinsic estrogenicity and to antagonize estradiol action more completely than their noncyclic counterparts.The most effective antiestrogen in the series, compound 44, <6-hydroxy-2-(4-hydroxyphenyl)benzothien-3-yl><4-<2-(1-piperidinyl)ethoxy>phenyl>methanone, elicited a modest uterotropic activity that did not increase with increasing dose.In antagonism of estradiol, 44 exhibited a degree of inhibition surpassing that of tamoxifen at any dose tested.The new benzothiophene antiestrogen was also shown to have high affinity for rat uterine cycloplasmic estrogen receptor and to be an inhibitor of the growth of DMBA-induced rat mammary tumors.

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

 

Simple exploration of C9H7BrS

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Diarylethenes having a fluorescent indole ring as the aryl group 1a and 2a were synthesized. Upon alternate irradiation with 366 nm and visible (lambda > 480 nm) light, 1a underwent reversible photocyclization reactions to produce closed-ring isomer 1b. The fluorescence intensity also reversibly changed along with the reactions. The fluorescence quantum yields of the open-ring isomers 1a and 2a were 4.6 and 6.3% respectively, while the yields of the closed-ring isomers 1b and 2b were almost zero. The fluorescence quantum yields decreased with the increase in the photocyclization quantum yields.

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

 

Awesome Chemistry Experiments For C8H5BrS

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The present invention is a method for the treatment of mania and/or bipolar disorder comprising administering to a subject in need thereof a therapeutically effective amount of one or more novel benzo-heteroaryl sulfamide derivatives of formula (I) as herein defined.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

 

Archives for Chemistry Experiments of C8H5BrS

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A catalytic intermolecular allylic C?H trifluoromethoxylation reaction of alkenes has been developed based on the use of a palladium catalyst, CsOCF3 as the trifluoromethoxide source, and benzoquinone as the oxidant. This reaction provides an efficient route for directly accessing allylic trifluoromethoxy derivatives with excellent regioselectivities from terminal alkenes via an allylic C?H bond activation process.

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem