Category: benzothiophene

One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Product Details of 19301-35-0, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 19301-35-0, Name is Benzo[b]thiophen-5-ol, molecular formula is C8H6OS

NOVEL INHIBITORS OF BETA-LACTAMASE

This invention provides novel beta-lactamase inhibitors of the aryl- and heteroarylsulfonamidomethylphosphonate monoester class having nitrogen-based cations or quarternary ammonium groups. The compounds inhibit three classes of beta-lactamases and synergize the antibacterial effects of beta-lactam antibiotics (e.g., imipenem and ceftazidime) against those micro-organisms normally resistant to the beta-lactam antibiotics as a result of the presence of the Beta-lactamases. Formula (I) or pharmaceutically acceptable salt thereof.

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Benzothiophene | C8H6S – PubChem

 

Reference of 130-03-0, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 130-03-0, Name is Benzo[b]thiophen-3(2H)-one,introducing its new discovery.

Toluene dioxygenase-catalyzed cis-dihydroxylation of benzo[b]thiophenes and benzo[b]furans: Synthesis of benzo[b]thiophene 2,3-oxide

Enzymatic cis-dihydroxylation of benzo[b]thiophene, benzo[b]furan and several methyl substituted derivatives was found to occur in both the carbocyclic and heterocyclic rings. Relative and absolute configurations and enantiopurities of the resulting dihydrodiols were determined. Hydrogenation of the alkene bond in carbocyclic cis-dihydrodiols and ring-opening epimerization/reduction reactions of heterocyclic cis/trans-dihydrodiols were also studied. The relatively stable heterocyclic dihydrodiols of benzo[b]thiophene and benzo[b]furan showed a strong preference for the trans configuration in aqueous solutions. The 2,3-dihydrodiol metabolite of benzo[b]thiophene was utilized as a precursor in the chemoenzymatic synthesis of the unstable arene oxide, benzo[b]thiophene 2,3-oxide.

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Electric Literature of 63675-74-1, A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 63675-74-1, Name is 6-Methoxy-2-(4-methoxyphenyl)-1-benzothiophene, molecular formula is C16H14O2S. In a Article£¬once mentioned of 63675-74-1

Visible Light Mediated Photoredox Catalytic Arylation Reactions

ConspectusIntroducing aryl- and heteroaryl moieties into molecular scaffolds are often key steps in the syntheses of natural products, drugs, or functional materials. A variety of cross-coupling methods have been well established, mainly using transition metal mediated reactions between prefunctionalized substrates and arenes or C-H arylations with functionalization in only one coupling partner. Although highly developed, one drawback of the established sp2-sp2 arylations is the required transition metal catalyst, often in combination with specific ligands and additives. Therefore, photoredox mediated arylation methods have been developed as alternative over the past decade.We begin our survey with visible light photo-Meerwein arylation reactions, which allow C-H arylation of heteroarenes, enones, alkenes, and alkynes with organic dyes, such as eosin Y, as the photocatalyst. A good number of examples from different groups illustrate the broad application of the reaction in synthetic transformations. While initially only photo-Meerwein arylation-elimination processes were reported, the reaction was later extended to photo-Meerwein arylation-addition reactions giving access to the photoinduced three component synthesis of amides and esters from alkenes, aryl diazonium salts, nitriles or formamides, respectively. Other substrates with redox-active leaving groups have been explored in photocatalyzed arylation reactions, such as diaryliodonium and triarylsulfonium salts, and arylsulfonyl chlorides. We discus some examples with their scope and limitations.The scope of arylation reagents for photoredox reactions was extended to aryl halides. The challenge here is the extremely negative reduction potential of aryl halides in the initial electron transfer step compared to, e.g., aryl diazonium or diaryliodonium salts. In order to reach reduction potentials over -2.0 V vs SCE two consecutive photoinduced electron transfer steps were used. The intermediary formed colored radical anion of the organic dye perylenediimide is excited by a second photon allowing the one electron reduction of acceptor substituted aryl chlorides. The radical anion of the aryl halide fragments under the loss of a halide ion and the aryl radical undergoes C-H arylation with biologically important pyrrole derivatives or adds to a double bond. Rhodamine 6G as an organic photocatalyst allows an even higher degree of control of the reaction. The dye is photoreduced in the presence of an amine donor under irradiation with green light (e.g., 530 nm), yielding its radical anion, which is a mild reducing reagent. The hypsochromic shift of the absorption of the rhodamine 6G radical anion toward blue region of the visible light spectrum allows its selective excitation using blue light (e.g., 455 nm). The excited radical anion is highly reducing and able to activate even bromoanisole for C-H arylation reactions, although only in moderate yield.Photoredox catalytic C-H arylation reactions are valuable alternatives to metal catalyzed reactions. They have an excellent functional group tolerance, could potentially avoid metal containing catalysts, and use visible light as a traceless reagent for the activation of arylating reagents.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Electric Literature of 63675-74-1. In my other articles, you can also check out more blogs about 63675-74-1

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Benzothiophene | C8H6S – PubChem

 

Synthetic Route of 14315-11-8, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 14315-11-8, Name is 4-Methylbenzo[b]thiophene,introducing its new discovery.

Detectors and basic data analysis

This chapter is focused on the combination of comprehensive two-dimensional gas chromatography (GC¡ÁGC) with ?information-poor? (at different levels) forms of detection, such as flame ionization detection, electron capture detection, etc., and with ?information-rich? ones, namely mass spectrometry (MS) in its various forms and vacuum ultraviolet detection. Apart from basic principles related to the different forms of detection, several examples highlighting the power and opportunities, in particular of the three-dimensional technology GC¡ÁGC-MS, will be illustrated and discussed. Basic details on data analysis are also given.

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1034305-17-3, Name is 2-(5-Bromo-2-fluorobenzyl)benzo[b]thiophene, belongs to benzothiophene compound, is a common compound. Quality Control of 2-(5-Bromo-2-fluorobenzyl)benzo[b]thiopheneIn an article, once mentioned the new application about 1034305-17-3.

A 2 – (5 – bromo -2 – fluorobenzyl) benzo thiophene synthetic method (by machine translation)

The invention discloses a 2 – (5 – bromo – 2 – fluorobenzyl) benzo thiophene synthetic method, in order to 2 – fluoro – 5 – bromobenzene as a raw material, under the action of alkali through condensation and reduction shall be the target compound, comprising a condensation reaction and the reduction reaction, the present invention only two-step reaction to obtain the target compound, reduces the material varieties, improving the operating efficiency. The present invention not using a boron trifluoride ether and other chemicals, and does not use the like sodium borohydride as the reducing agent is not suitable for industrial scale, without the need for ultra-low temperature thereby reducing the production cost, in short synthetic method of this invention has mild reaction condition, simple process operation, environmental protection, low cost, and high yield. (by machine translation)

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In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Application In Synthesis of 4-Chlorobenzo[b]thiophene, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 66490-33-3, name is 4-Chlorobenzo[b]thiophene. In an article£¬Which mentioned a new discovery about 66490-33-3

Dihydroimidazo[2,1-b]thiazole and dihydro-5h-thiazolo[3,2-A]pyrimidines as antidepressant agents

The present invention relates to certain novel substituted dihydroimidazo[2,1-b]thiazole and dihydro-5H-thiazolo[3,2-a]pyrimidine compounds of Formula (I) including pharmaceutically acceptable salts thereof in which have affinity for 5-HT1A receptors and which inhibits neuronal reuptake of 5-hydroxytryptamine and/or noradrenaline, to processes for their preparation, to pharmaceutical compositions containing them and to their use in the treatment of depression, anxiety, psychoses (for example schizophrenia), tardive dyskinesia, obesity, drug addiction, drug abuse, cognitive disorders, Alzheimer’s disease, obsessive-compulsive behaviour, panic attacks, social phobias, eating disorders such as bulimia, anorexia, snacking and binge eating, non-insulin dependent diabetes mellitus, hyperglycaemia, hyperlipidaemia, stress, as an aid to smoking cessation and in the treatment and/or prophylaxis of seizures, neurological disorders such as epilepsy and/or in which there is neurological damage such as stroke, brain trauma, cerebral ischaemia, head injuries and haemorrhage.

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Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments. SDS of cas: 20699-85-8. Introducing a new discovery about 20699-85-8, Name is Methyl 5-aminobenzo[b]thiophene-2-carboxylate

PDD AND BPD COMPOUNDS

The invention relates to pyrridinobenzodiazepines (PDDs) comprising three fused 6-7- 6?membered rings and to benzopyrridodiazecines (BPDs) comprising three fused 6-8- 6?membered rings and, in particular, to PDD or BPD dimers linked together or PDD and BPD monomers linked to aromatic groups, and pharmaceutically acceptable salts thereof, which are useful as medicaments, such as anti-proliferative agents. PDDs and BPDs may be represented by formula (I): and salts or solvates thereof, wherein R2, R4-R6 and R8 are independently selected substituent groups; and either: (i) R9 and R10 together form a double bond; (ii) R9 is H and R10 is OH; or (iii) R9 is H and R10 is ORA and RA is C1-6 alkyl; wherein each of m, n, u and w may be 0 or 1; where (a) the compound is a dimer with each monomer being the same or different and being of formula (I) where one of R1, R2, R3 and R7 of the first monomer and one of R’1, R’2, R3 and R’7 of the second monomer form together a bridge having the formula ?X-L-X’- linking the monomers and m + n + u + w = 1; or (b) a dimer and one of R1, R2 and R3 of the first monomer and one of R’1, R’2 and R3 of the second monomer form together a bridge having the formula ?X-L-X’- linking the monomers and m = n = u = w = o; or (c) one of R1, R2, R3 and R7 has the formula: ?X- L-X’-D or -(CH2)f-O-R14 and m + n + u + w = o or 1; or (d) R7 has the formula: ?X-L-X’- D or -(CH2)g-O -15 and m + n + u + w = 1; and X-L-X’- is a linker group and D has the formula (II) or (III):

Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions.SDS of cas: 20699-85-8, you can also check out more blogs about20699-85-8

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

 

Related Products of 5394-13-8, A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 5394-13-8, Name is 2-Bromobenzo[b]thiophene, molecular formula is C8H5BrS. In a Article£¬once mentioned of 5394-13-8

Zinc-Catalyzed Dual C-X and C-H Borylation of Aryl Halides

A zinc-catalyzed combined C-X and C-H borylation of aryl halides using B2pin2 (pin=OCMe2CMe2O) to produce the corresponding 1,2-diborylarenes under mild conditions was developed. Catalytic C-H bond activation occurs ortho to the halide groups if such a site is available or meta to the halide if the ortho position is already substituted. This method thus represents a novel use of a groupXII catalyst for C-H borylation. This transformation does not proceed via a free aryne intermediate, but a radical process seems to be involved. Two B or not two B: A novel catalytic system based on a ZnII-dtbpy precursor was developed for the preparation of 1,2-diborylarenes. This method represents a new type of catalytic process for diborylation of aryl halides via both C-X and C-H activation.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Related Products of 5394-13-8. In my other articles, you can also check out more blogs about 5394-13-8

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10243-15-9, Name is 3-Bromo-2-methylbenzo[b]thiophene, belongs to benzothiophene compound, is a common compound. Quality Control of 3-Bromo-2-methylbenzo[b]thiopheneIn an article, once mentioned the new application about 10243-15-9.

Synthesis and Reactions of 2,3,5,6-Tetrahydro-2,5-ethano-3-benzazocin-4(1H)-one and a Thieno-extended Analogue: X-Ray Structure of 3-Methyl-2,3,5,6-tetrahydro-2,5-ethano<1>benzothieno<3,2-d>azocin-4(1H)-one

5,6,7,8,9,10-Hexahydro-6,9-methanobenzocyclo-octen-11-one (3) was prepared through condensation of o-xylene-alpha,alpha’-diyl dibromide with N-cyclopentylidenepyrrolidine and converted by Beckmann rearrangement of its oxime (4) into 2,3,5,6-tetrahydro-2,5-ethano-3-benzazocin-4(1H)-one (6). 2,3-Bis(bromomethyl)benzothiophene was converted similarly into a mixture of 1,4,5,6-tetrahydro-2,5-ethano<1>benzothieno<2.3-d>azocin-3(2H)-one (15) and the isomeric lactam (19).Lactam (6) was N-methylated and both the parent lactam (6) and the N-methyl derivative (23) were reducedwith lithium aluminium hydride to the saturated products (24) and (25), respectively.Conversion of lactam (6) into the corresponding thiolactam (26) with phosphorus pentasulphide followed by alkylation of the latter compound gave an N-(29) or S-alkylated derivative, (27) or (28), depending on the reagent and reaction conditions.Similar reactions are reported also for lactams (15) and (19).The 4(1H)-one structures of compounds (15) – (22) are based on an X-ray analysis of 3-methyl-2,3,5,6-tetrahydro-2,5-ethano<1>benzothieno<3,2-d>azocin-4(1H)-one (20).We also report syntheses of 2-azido-5,6,7,8,9,10-hexahydro-6,9-methanobenzocyclo-octen-11-one (33) and 3-nitro(and 1,3-dinitro)-6,7,8,9,10,11-hexahydro-7,10-methanocyclo-octa<1>benzothiophen-12-one, (36) and (37), respectively.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem