Category: 4971-56-6

4971-56-6, Name is Furan-2,4(3H,5H)-dione, belongs to Tetrahydrofurans compound, is a common compound. COA of Formula: C4H4O3In an article, once mentioned the new application about 4971-56-6.

GAP chemistry for pyrrolyl coumarin derivatives: A highly efficient one-pot synthesis under catalyst-free conditions

A concise and efficient one-pot synthesis of pyrrolyl coumarin derivatives via a four-component reaction of 4-hydroxycoumarin, arylglyoxal monohydrate, dialkyl but-2-ynedioate and amines under catalyst-free conditions in an environmentally friendly medium (ethanol) is described. This synthesis was confirmed to follow the group-assisted-purification (GAP) chemistry process, which can avoid traditional chromatography and recrystallization purification methods.

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Reference£º
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, Computed Properties of C4H4O3, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 4971-56-6, Name is Furan-2,4(3H,5H)-dione, molecular formula is C4H4O3

Herbicide mixtures

A herbicidal composition comprises a carrier, a first herbicide and a second herbicide which is 3-(1-amino)ethylidene-5-methyl-furan-2,4-dione.

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

Application of 4971-56-6, 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, 4971-56-6, Furan-2,4(3H,5H)-dione, introducing its new discovery.

Synthesis of the hypoxic signaling inhibitor furospongolide

The first synthesis of the marine HIF-1 inhibitor furospongolide has been achieved in eight linear steps from geranyl acetate. Key steps include Schlosser sp3-sp3 cross-coupling and Sonogashira alkynylation of -bromobutenolide. Georg Thieme Verlag Stuttgart ¡¤ New York.

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Reference£º
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: 4971-56-6, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 4971-56-6, Name is Furan-2,4(3H,5H)-dione, molecular formula is C4H4O3

Recent developments on ultrasound-assisted one-pot multicomponent synthesis of biologically relevant heterocycles

Heterocycles are the backbone of organic compounds. Specially, N- & O-containing heterocycles represent privileged structural subunits well distributed in naturally occurring compounds with immense biological activities. Multicomponent reactions (MCRs) are becoming valuable tool for synthesizing structurally diverse molecular entities. On the other hand, the last decade has seen a tremendous outburst in modifying chemical processes to make them sustainable for the betterment of our environment. The application of ultrasound in organic synthesis is fulfilling some of the goals of ?green and sustainable chemistry? as it has some advantages over the traditional thermal methods in terms of reaction rates, yields, purity of the products, product selectivity, etc. Therefore the synthesis of biologically relevant heterocycles using one-pot multi-component technique coupled with the application of ultrasound is one of the thrusting areas in the 21st Century among the organic chemists. The present review deals with the ?up to date? developments on ultrasound assisted one-pot multi-component synthesis of biologically relevant heterocycles reported so far.

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Reference£º
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. Formula: C4H4O3. Introducing a new discovery about 4971-56-6, Name is Furan-2,4(3H,5H)-dione

Bioactive compounds isolated from marine-derived microbes in China: 2009-2018

This review outlines the research that was carried out regarding the isolation of bioactive compounds from marine-derived bacteria and fungi by China-based research groups from 2009-2018, with 897 publications being surveyed. Endophytic organisms featured heavily, with endophytes from mangroves, marine invertebrates, and marine algae making up more than 60% of the microbial strains investigated. There was also a strong focus on fungi as a source of active compounds, with 80% of publications focusing on this area. The rapid increase in the number of publications in the field is perhaps most notable, which have increased more than sevenfold over the past decade, and suggests that China-based researchers will play a major role in marine microbial natural products drug discovery in years to come.

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

Application of 4971-56-6, 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. 4971-56-6, Name is Furan-2,4(3H,5H)-dione, molecular formula is C4H4O3. In a Article£¬once mentioned of 4971-56-6

Unexpected Knoevenagel self-condensation reaction of tetronic acid: synthesis of a new class of organic heterocyclic salts

A new class of pyridinium, quinolinium, isoquinolinum, and N-methylimidazolium-3-(2,5-dihydro-5-oxofuran-3-yl)-4-hydroxyfuran-2(5H)-one salts have been prepared in high yields by reacting pyridine, quinoline, isoquinoline, N-methylimidazole, 1,4-diazabicyclo[2.2.2]octane, and their derivatives with tetronic acid in CH2Cl2.

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

Reference of 4971-56-6, 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, 4971-56-6, molcular formula is C4H4O3, introducing its new discovery.

Effect of dietary supplementation of hemp seed (Cannabis sativa L.) on meat quality and egg fatty acid composition of Japanese quail (Coturnix coturnix japonica)

This study was conducted in two separate experiments. Experiment I was conducted to investigate the effects of hemp seed (HS) on meat quality traits, and experiment II was designed to determine egg fatty acid (FA) composition in Japanese quail (Coturnix coturnix japonica). In experiment I and experiment II treatments, groups were as follows: (i) control (not included HS0), (ii) 5% HS inclusion to diets, (iii) 10% HS inclusion to diets and (iv) 20% HS inclusion to diets. In experiment I, a total of 192 7-day-old-quail were fed with HS diets for 5?weeks, and end of the experiment I, a total of 64 quail (16 each) slaughtered and meat samples were analysed for meat colour, pH, cooking and thawing loss and FA composition. In experiment II, a total of 120 8-week-old laying quail were fed with experimental diets for 6?weeks and egg FA composition were determined. Breast meat cooking loss was significantly lower in 20% supplemented group (p?Reference of 4971-56-6

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

Chemistry is traditionally divided into organic and inorganic chemistry. COA of Formula: C4H4O3, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 4971-56-6

L-proline catalyzed multicomponent reactions

The multicomponent reactions involving the use of environmentally benign solvents, and non-toxic, and recyclable organocatalysts require special attention as with such significant characters, the multicomponent reactions satisfy the green chemistry?s principles to a greater extent. The environmentally benign synthetic protocols with the amalgamation of multicomponent reactions, characterized by synthetic efficiency and structural diversity with bio-relevance offered by natural products, facilitate the generation of high quality leads for drug discovery. In the present review, the significant research work relating to the L-proline catalyzed multicomponent reactions has been presented. Moreover, the reactions catalyzed by tagged L-proline or modified L-proline based organocatalysts have also been included with a view to incorporate recent research trends in L-proline organocatalysis.

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

Related Products of 4971-56-6, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.4971-56-6, Name is Furan-2,4(3H,5H)-dione, molecular formula is C4H4O3. In a Article£¬once mentioned of 4971-56-6

GC-MS metabolomic differentiation of selected citrus varieties with different sensitivity to citrus huanglongbing

Huanglongbing (HLB) is the most destructive disease of citrus worldwide. The rapid identification of tolerant varieties is considered a critical step towards controlling HLB. GC-MS metabolite profiles were used to differentiate HLB-tolerant citrus varieties ‘. Poncirus trifoliata’ (TR) and ‘Carrizo citrange’ (CAR) from HLB-sensitive varieties ‘Madam Vinous sweet orange’ (MV) and ‘Duncan’ grapefruit (DG). PCR analyses revealed that MV was the most sensitive variety followed by DG and the tolerant varieties CAR and TR. Metabolomic multivariate analysis allowed classification of the cultivars in apparent agreement with PCR results. Higher levels of the amino acids l-proline, l-serine, and l-aspartic acid, as well as the organic acids butanedioic and tetradecanoic acid, and accumulation of galactose in healthy plants were characteristic of the most sensitive variety MV when compared to all other varieties. Only galactose was significantly higher in DG when compared to the tolerant varieties TR and CAR. The tolerant varieties showed higher levels of l-glycine and mannose when compared to sensitive varieties MV and DG. Profiling of the sensitive varieties MV and DG over a 20-week period after inoculation of those with the HLB-containing material revealed strong responses of metabolites to HLB infection that differed from the response of the tolerant varieties. Significant changes of l-threonine level in the leaves from old mature flushes and l-serine, l-threonine, scyllo-inositol, hexadecanoic acid, and mannose in the leaves from young developing flushes were observed in MV. Significant changes in myo-inositol in old flushes and l-proline, indole, and xylose in new flushes were observed in DG.

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Reference£º
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, name: Furan-2,4(3H,5H)-dione, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 4971-56-6, Name is Furan-2,4(3H,5H)-dione, molecular formula is C4H4O3

A Novel and Highly Stereoselective Approach to Aza-Spirocycles. A Short Total Synthesis of 2-epi-(¡À)-Perhydrohistrionicotoxin and an Unprecedented Decarboxylation of 2-Pyrones

(Matrix Presented) A novel and highly stereoselective synthesis of aza-spirocycles is described. An application of this methodology is illustrated as a short and concise total synthesis of 2-epi-(¡À)-perhydrohistrionicotoxin with high diastereomeric control at the aza-spirocenter. An unprecedented decarboxylation of the 2-pyrone ring is observed in this total synthesis effort.

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