Tag: M.W:100-200

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 a patent, 15833-61-1, molecular formula is C5H10O2, introducing its new discovery. 15833-61-1

LINOLEIC ACID DERIVATIVES, PHARMACEUTICAL COMPOSITION OR FOOD COMPOSITION COMPRISING SAID LINOLEIC ACID DERIVATIVES, AND THEIR USES

This invention relates to linoleic acid derivative of Formula (I) below comprising a hydrophobic part C17H31 linked to a polar head part “A”: wherein said polar head part A is selected from A1 to A4 below: wherein R1 and R2 are independently selected from the group composed of H or a saturated or unsaturated, straight or branched alkyl group containing 1 to 8 carbon atoms, or R1 and R2 are linked together to form a divalent radical of formula -R1-R2-, wherein -R1-R2- is preferably -CH2-CH2- or-(CH2)3-; R3 is independently selected from the group composed of:

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

17347-61-4, Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.17347-61-4, Name is 2,2-Dimethylsuccinicanhydride, molecular formula is C6H8O3, introducing its new discovery.

Synthesis and in vitro antitumor activities of lupeol dicarboxylic acid monoester derivatives

Ten lupeol dicarboxylic acid monoester derivatives as new potent antitumor agents were synthesized and evaluated for in vitro antitumor activities against A549, LAC, HepG2 and HeLa cell lines. Among them, compounds 1-5 showed excellent antitumor activities against all tested tumor cell lines and compounds 6-10 exhibited high activities against A549, HepG2 and HeLa cells, exceeded lupeol, lupanol and doxorubicin. Compound 2 displayed the highest potent antitumor activities with IC50 values of 5.78 muM against A549 cell, 2.38 muM against LAC cell, 6.14 muM against HepG2 cell and 0.00842 muM against HeLa cell.

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

52079-23-9, 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, 52079-23-9, molcular formula is C4H6O3, introducing its new discovery.

OXIM DERIVATIVES AS HSP90 INHIBITORS

The invention relates to HSP90 inhibiting compounds consisting of the formula: (I) wherein the variables are as defined herein. The invention also relates to pharmaceutical compositions, kits and articles of manufacture comprising such compounds; methods and intermediates useful for making the compounds; and methods of using said compounds

Because enzymes can increase reaction rates by enormous factors and tend to be very specific, 52079-23-9, typically producing only a single product in quantitative yield, they are the focus of active research.you can also check out more blogs about 52079-23-9

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

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 a patent, 2144-40-3, molecular formula is C6H12O3, introducing its new discovery. 2144-40-3

A hydroxyapatite substance in the application of catalytic hydrogenation in and a tetrahydrofurfuryl alcohol preparation method (by machine translation)

The invention discloses a kind of apatite substance as a catalyst for the furan ring compound by catalytic hydrogenation in the application and a tetrahydrofurfuryl alcohol preparation method, the method can be used in alcohol or alkane solvent system, furfural in the hydroxyapatite with palladium metal through ion exchange method for preparing of Pd – HAP under the action of the catalysts such as, in the 0.1 – 6 mpa in the hydrogen atmosphere, 0 – 200 C temperature, completely to produce the disperse medium, efficient use of biomass raw material provides a method. The catalyst can be used in this invention in alcohol or alkane solvent system of high conversion of the high yield for preparing disperse medium, furfural conversion and tetrahydro furfuryl alcohol yield can reach 100%. The invention preparation of tetrahydrofurfuryl alcohol process is simple, the reaction apparatus is simple, the operation is simple, easy separation of the products and the catalyst, cheap and easily obtained catalyst, catalyst water thermal stability and circulation and having good performance, is suitable for the industrial production, has very wide application prospect. (by machine translation)

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

17347-61-4, Name is 2,2-Dimethylsuccinicanhydride, belongs to Tetrahydrofurans compound, is a common compound. 17347-61-4In an article, authors is Abell, Andrew D., once mentioned the new application about 17347-61-4.

The Wittig Reaction with Glutaric and Succinic Anhydrides

Six-membered cyclic anhydrides, including glutaric and some of its alkylated derivatives, have been shown to yield enol-lactones with ethoxycarbonylmethylenetriphenylphosphorane; the (E) isomer is formed preferentially.The reactions of methyl-substituted succinic anhydrides with the same phosphorane give predominantly the (E) enol-lactone in all examples.The influence of alkyl substituents on the rates of the reactions and the product ratios in both the succinic and glutaric anhydride series is discussed.

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

Because a catalyst decreases the height of the energy barrier, 89364-31-8, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.89364-31-8, Name is Tetrahydrofuran-3-carboxylic acid, molecular formula is C5H8O3. In a article£¬once mentioned of 89364-31-8

Ketones from Nickel-Catalyzed Decarboxylative, Non-Symmetric Cross-Electrophile Coupling of Carboxylic Acid Esters

Synthesis of the C?C bonds of ketones relies upon one high-availability reagent (carboxylic acids) and one low-availability reagent (organometallic reagents or alkyl iodides). We demonstrate here a ketone synthesis that couples two different carboxylic acid esters, N-hydroxyphthalimide esters and S-2-pyridyl thioesters, to form aryl alkyl and dialkyl ketones in high yields. The keys to this approach are the use of a nickel catalyst with an electron-poor bipyridine or terpyridine ligand, a THF/DMA mixed solvent system, and ZnCl2 to enhance the reactivity of the NHP ester. The resulting reaction can be used to form ketones that have previously been difficult to access, such as hindered tertiary/tertiary ketones with strained rings and ketones with alpha-heteroatoms. The conditions can be employed in the coupling of complex fragments, including a 20-mer peptide fragment analog of Exendin(9?39) on solid support.

A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. 89364-31-8, In my other articles, you can also check out more blogs about 89364-31-8

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

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 21461-84-7, In a patent£¬Which mentioned a new discovery about 21461-84-7

Novel peptides comprising furanoid sugar amino acids for the treatment of cancer

Anticancer peptides which incorporate furanoid sugar amino acids and compositions made using these peptides are described. Methods for synthesis of the peptides and for preparing the furanoid sugar amino acids are disclosed. The peptides and compositions made using the peptides have pharmacological applications of these peptides especially in the treatment and prevention of cancer and tumors.

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

52079-23-9, Name is (S)-(-)-alpha-Hydroxy-gamma-butyrolactone, belongs to Tetrahydrofurans compound, is a common compound. 52079-23-9In an article, authors is Bandur, Nina G., once mentioned the new application about 52079-23-9.

Total synthesis of jimenezin via an intramolecular allylboration

An efficient total synthesis of the annonaceous acetogenin jimenezin was achieved. The key steps used were a highly stereoselective intramolecular allylboration to establish the tetrahydropyran ring and an intramolecular Williamson reaction to close the tetrahydrofuran ring.

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

637-64-9, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.637-64-9, Name is Tetrahydrofurfuryl Acetate, molecular formula is C7H12O3. In a Review, authors is Schoeneich, Christian£¬once mentioned of 637-64-9

Sulfur Radical-Induced Redox Modifications in Proteins: Analysis and Mechanistic Aspects

Significance: The sulfur-containing amino acids cysteine (Cys) and methionine (Met) are prominent protein targets of redox modification during conditions of oxidative stress. Here, two-electron pathways have received widespread attention, in part due to their role in signaling processes. However, Cys and Met are equally prone to one-electron pathways, generating intermediary radicals and/or radial ions. These radicals/radical ions can generate various reaction products that are not commonly monitored in redox proteomic studies, but they may be relevant for the fate of proteins during oxidative stress. Recent Advances: Time-resolved kinetic studies and product analysis have expanded our mechanistic understanding of radical reaction pathways of sulfur-containing amino acids. These reactions are now studied in some detail for Met and Cys in proteins, and homocysteine (Hcy) chemically linked to proteins, and the role of protein radical reactions in physiological processes is evolving. Critical Issues: Radical-derived products from Cys, Hcy, and Met can react with additional amino acids in proteins, leading to secondary protein modifications, which are potentially remote from initial points of radical attack. These products may contain intra- and intermolecular cross-links, which may lead to protein aggregation. Protein sequence and conformation will have a significant impact on the formation of such products, and a thorough understanding of reaction mechanisms and specifically how protein structure influences reaction pathways will be critical for identification and characterization of novel reaction products. Future Directions: Future studies must evaluate the biological significance of novel reaction products that are derived from radical reactions of sulfur-containing amino acids.

A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. In my other articles, you can also check out more blogs about 637-64-9

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

7331-52-4, Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels.In a patent£¬Which mentioned a new discovery about 7331-52-4

The carboxylic acid ester, esterification agent, and a ring-opening addition catalyst (by machine translation)

[A] is easy to handle, and the production of carboxylic acid ester using a highly active catalyst compound, the method being suitable for use in the esterification agent and a ring-opening addition of catalyst. [Solution] the at least one alcohol selected from the group consisting of phenolics (A) provided compound 1 hydroxyl group, epoxy compound or epoxy compound, at least one element selected from the group consisting 1 nucleophilic, carboxylic acid (B), carboxylic acid halide, carboxylic acid ester, a carboxylic acid anhydride is selected from the group consisting of at least two nucleophilic body 1 and, reacting the carboxylic acid production, the reaction of the imidazole compound in the presence of a specific structure. [Drawing] no (by machine translation)

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