Category: benzothiophene

Chemistry is traditionally divided into organic and inorganic chemistry. Quality Control of 5-Bromobenzothiophene, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 4923-87-9

Copper-Catalyzed C2 and C3 Phosphonation of Benzofuran and Benzothiophene with Trialkyl Phosphites

A strategy for the selective phosphonation of benzofuran and benzothiophene with trialkyl phosphites was developed. In these reactions, the C?H phosphonation of benzofurans or benzothiophenes at the C2 or C3 position with trialkyl phosphites was successfully achieved without directing groups by using a copper catalyst. Additionally, the C5 phosphonation of furan was successful under the same conditions.

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360575-29-7, Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 360575-29-7, molcular formula is C10H7BrO2S, introducing its new discovery.

SUBSTITUTED CONDENSED PYRIMIDINE COMPOUNDS

The invention relates to novel substituted condensed pyrimidine compounds of general formula (I) in which the chemical groupings, substituents and indices are as defined in the description, and to their use as medicaments, in particular as medicaments for the treatment of conditions and diseases that can be treated by inhibition of the PDE4 enzyme.

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Synthetic Route of 10134-95-9, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 10134-95-9, Name is Benzo[b]thiophene-4-carboxylic acid,introducing its new discovery.

Bacterial transformations of benzothiophene and methylbenzothiophenes

The abilities of three Pseudomonas strains to transform each of the six isomers of methylbenzothiophene was studied. These compounds would not support growth but were biotransformed in a cell suspension of one of the isolates and in cultures of the other two isolates while they grew on 1- methylnaphthalene or glucose. Sulfur-containing metabolites were identified by GC/MS and GC/FTIR, and when possible, by comparison with authentic standards. Sulfoxides and sulfones were frequently detected and were the most abundant products from 2- and 3-methylbenzothiophene. Two of the isolates oxidized the methyl groups to carboxylic acids which were abundant products from 3-, 5-, and 6-methylbenzothiophenes. Benzothiophenemethanols were often detected, but in very low amounts. 2,3-Diones were observed as metabolites of benzothiophene and those methylbenzothiophenes with a methyl group on the benzene ring. Isomers of tolyl methyl sulfoxide were observed as ring cleavage products from 6- and 7-methylbenzothiophene.

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Related Products of 20532-28-9, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.20532-28-9, Name is 5-Aminobenzothiophene, molecular formula is C8H7NS. In a Article£¬once mentioned of 20532-28-9

Catalytic conversion of aryl triazenes into aryl sulfonamides using sulfur dioxide as the sulfonyl source

Various sulfonamides have been synthesized from triazenes and sulfur dioxide. In the presence of just a catalytic amount of BF3¡¤ OEt2, a series of 1-aryl-triazenes were converted into sulfonyl hydrazines in good to excellent yields. When using CuCl2 as the catalyst, the corresponding sulfonamides can be produced from the 1-aryl triazenes in good yields. This journal is the Partner Organisations 2014.

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Electric Literature of 10243-15-9, Chemistry is the science of change. But why do chemical reactions take place? Why do chemicals react with each other? The answer is in thermodynamics and kinetics.In a document type is Article, and a compound is mentioned, 10243-15-9, 3-Bromo-2-methylbenzo[b]thiophene, introducing its new discovery.

A SYNTHESIS OF BENZONAPHTHO<2,3-d>THIOPHENE DERIVATIVES via BENZOTHIOPHENE-2,3-QUINODIMETHANE INTERMEDIATES

2-Methyl- and 2-ethyl-3-(alpha-aryl)hydroxymethylbenzothiophene (6a)-(6d) were heated at 400 deg C for 5 min to yield the corresponding benzonaphtho<2,3-d>thiophene derivatives (9a)-(9d), respectively.In a similar fashion, the alcohol (8a) gave 5-methylbenzonaphtho<2,3-d>thiophene (9e) and 5,10-dimethyl derivative (3). 8-Methoxy-5-methyl- (9f) and 5-phenyl derivative (9g) were obtained from the corresponding alcohols (8b) and (8c), respectively.

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