Day: April 29, 2021

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An expedient synthesis of olfactory lactones by intramolecular hydroacylalkoxylation reactions

A series of 4,5-disubstituted gamma-lactones, including whisky and cognac lactones, was synthesised in four steps from a readily available chiral precursor. By using an intramolecular hydroacylalkoxylation reaction in the final step, a correlation between the (E)/(Z) configuration of the precursor and the product distribution has been established, for the first time, in this type of cyclisation reactions. Copyright

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Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments. Product Details of 165253-31-6. Introducing a new discovery about 165253-31-6, Name is (Tetrahydrofuran-3-yl)methanamine

A 3 – methyl tetrahydrofuran production process of ammonia (by machine translation)

The invention discloses a 3 – aminomethyl tetrahydrofuran production process, which belongs to the field of agricultural chemical intermediate synthesis process. The craft in order to 2 – butene – 1, 4 – diol as the starting material, dehydration cyclization, hydroformylation and three-step reaction synthesizes the reductive amination of 3 – amino methyl tetrahydrofuran. The present invention production process of mild reaction conditions, low cost, three wastes, is suitable for industrial production. (by machine translation)

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Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Safety of (cis-Tetrahydrofuran-2,5-diyl)dimethanol, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 2144-40-3, Name is (cis-Tetrahydrofuran-2,5-diyl)dimethanol, molecular formula is C6H12O3

Transfer hydrogenation of furaldehydes with sodium phosphinate as a hydrogen source using Pd-supported alumina catalyst

Transformations of furaldehydes to the corresponding furfuryl alcohols via hydrogenation with sodium hypophosphite (NaH2PO2) as a hydrogen donor agent were performed over Pd/Al2O3 catalyst under ambient condition in THF/water solvent. Furfuryl alcohol (FOL), 5-methylfurfuryl alcohol (5-MFOL) and 2,5-bis(hydroxymethyl)furan (BHMF), were produced with 68%, 45% and 63% yield, respectively, from 2-furaldehyde (furfural), 5-methylfulaldehyde (5-MF) and 5-hydroxymethyl-2-furaldehyde (HMF) at room temperature (25 C). The Pd/Al2O3 catalyst was reusable for all reaction without significant decrease in activity. These results indicated that the NaH2PO2 would be a cheap and an easy-handling hydrogen donor for catalytic hydrogenation reactions under mild conditions.

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. Safety of (cis-Tetrahydrofuran-2,5-diyl)dimethanol, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 2144-40-3, in my other articles.

Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Related Products of 4100-80-5, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 4100-80-5, Name is 3-Methyldihydrofuran-2,5-dione,introducing its new discovery.

Studies on antihyperlipidemic agents. I. Synthesis and hypolipidemic activities of phenoxyphenyl alkanoic acid derivatives

The alkanoic acids containing phenoxyphenyl moiety at omega-position were prepared and tested for hypolipidemic property. Some of the compounds showed hypoglycemic activity besides hypolipolipidemic one. Further study on the selected compound, 3-[4-(4-chlorophenoxy)benzoyl]propionic acid (8) revealed that it increased insulin sensitivity of adipose tissue of obese and diabetic mice (KKA(y)). The structure-activity relationship was discussed briefly.

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Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Application of 15833-61-1, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 15833-61-1, Name is (Tetrahydrofuran-3-yl)methanol,introducing its new discovery.

Substituted-cycloalkyl and oxygenated-cycloalkyl glucokinase activators

2,3-Di-substituted N-heteroaromatic propionamides with said substitution at the 2-position being a substituted phenyl group and at the 3-position being a polar ring, said propionamides being glucokinase activators which increase insulin secretion in the treatment of type II diabetes.

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Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Recommanded Product: (cis-Tetrahydrofuran-2,5-diyl)dimethanol, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 2144-40-3, Name is (cis-Tetrahydrofuran-2,5-diyl)dimethanol, molecular formula is C6H12O3

Solid acid catalyzed synthesis of furans from carbohydrates

The alternative feedstock, biomass (particularly lignocelluloses), having the profuse availability, is promising for the synthesis of several value-Added chemicals which are currently obtained from fossil feedstock. In this article, the synthesis of two extremely significant furan chemicals viz. furfural and 5-hydroxymethylfurfural (HMF) are discussed. In the synthesis of furans from biomass, numerous challenges, i.e., use of edible sugars as substrates, selectivity to furans, their isolation in pure form, reuse of catalyst, environmental issues, etc., are perceived and in the recent past researchers tried to resolve those by developing advance methodologies. This article comprehensively summarizes the latest progress made in the above-mentioned areas and also provides commentary on the analyses of results, rationale for observed activity and mechanisms, etc. It also discusses future aspects of this work.

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Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments. name: 3-Methyldihydrofuran-2,5-dione. Introducing a new discovery about 4100-80-5, Name is 3-Methyldihydrofuran-2,5-dione

PPAR-GAMMA MODULATORES

The present invention relates to modulators of PPAR-gamma of formula (I), and to processes for the preparation and use of the same. Such PPAR-gamma modulators are useful in the treatment of metabolic diseases and disorders.Lambda”invention concerne des modulateurs de PPAR-gamma et leurs procedes de preparation et d”utilisation. On utilise ces modulateurs de PPAR-gamma pour traiter les maladies et les troubles metaboliques.

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Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Electric Literature of 89364-31-8, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.89364-31-8, Name is Tetrahydrofuran-3-carboxylic acid, molecular formula is C5H8O3. In a Patent，once mentioned of 89364-31-8

COMPOSITIONS AND METHODS OF TARGETING MUTANT K-RAS

Compounds and compositions are presented that inhibit K-Ras, and especially mutant K-Ras. Certain compounds preferentially or even selectively inhibit specific forms of mutant K-Ras, and particularly the G12D mutant form.

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Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Chemistry is traditionally divided into organic and inorganic chemistry. category: Tetrahydrofurans, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 453-20-3

Synthesis and SAR studies of novel 1,2,4-oxadiazole-sulfonamide based compounds as potential anticancer agents for colorectal cancer therapy

A diverse series of 1,2,4-oxadiazoles based substituted compounds were designed, synthesized and evaluated as anticancer agents targeting carbonic anhydrase IX (CAIX). Initial structure-activity analysis suggested that the thiazole/thiophene-sulfonamide conjugates of 1,2,4-oxadiazoles exhibited potent anticancer activities with low muM potencies. Compound OX12 exhibited antiproliferative activity (IC50 = 11.1 muM) along with appreciable inhibition potential for tumor-associated CAIX (IC50 = 4.23 muM) isoform. Therefore, OX12 was structurally optimized and its SAR oriented derivatives (OX17-27) were synthesized and evaluated. This iteration resulted in compound OX27 with an almost two-fold increase in antiproliferative effect (IC50 = 6.0 muM) comparable to the clinical drug doxorubicin and significantly higher potency against CAIX (IC50 = 0.74 muM). Additionally, OX27 treatment decreases the expression of CAIX, induces apoptosis and ROS production, inhibited colony formation and migration of colon cancer cells. Our studies provide preclinical rational for the further optimization of identified OX27 as a suitable lead for the possible treatment of CRC.

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Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Electric Literature of 219823-47-9, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.219823-47-9, Name is (R)-Tetrahydrofuran-3-yl 4-methylbenzenesulfonate, molecular formula is C11H14O4S. In a article，once mentioned of 219823-47-9

Nitrogen-containing fused tricyclic derivatives and uses thereof (by machine translation)

The invention discloses a nitrogen-containing fused tricyclic derivative and application, thereof, and, concretely relates to a novel nitrogen-containing fused tricyclic derivative and a pharmaceutical composition, containing the same as selective adenosine A. 2A Receptor antagonists. The present invention also relates to processes, and for the preparation of such compounds and pharmaceutical compositions, for the preparation of therapeutic and adenosine A2A Use . of a receptor-related disease, in particular a drug for’s disease (by machine translation)

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Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem