Category: 14963-96-3

Chemistry is traditionally divided into organic and inorganic chemistry. HPLC of Formula: C9H6O4, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 14963-96-3

Structural studies on cycloadducts of furan, 2-methoxyfuran, and 5-trimethylsilylcyclopentadiene with maleic anhydride and N-methylmaleimide

(Chemical Equation Presented) The early stages of the retro-Diels-Alder reaction are clearly apparent in the structures of the cycloadducts formed between furan or 5-trimethylsilylcyclopentadiene with maleic anhydride and N-methylmaleimide. The degree of lengthening of the C-C bonds that break in this reaction is clearly related to the known reactivity of these cycloadducts toward this reaction. In the structures of the cycloadducts 21 and 22 derived from 2-methoxyfuran, the early stages of an alternative fragmentation reaction are apparent, consistent with the reactivity of these compounds in solution.

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Benzofuran – Wikipedia,
Benzofuran | C8H2885O – PubChem

Electric Literature of 14963-96-3, 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, 14963-96-3, 4-Methoxyisobenzofuran-1,3-dione, introducing its new discovery.

Crystal structures of highly stabilized ylides: Methyl(3-methoxy,2-methoxycarbonylbenzoyl)triphenylphosphoranylideneacetate and methyl(2-methoxycarbonyl,6-nitrobenzoyl)triphenylphosphoranylideneacetate and the salt methyl(triphenylphosphoranylidene)acetate tetrafluoroborate

At lower temperatures stabilized ylides react with unsymmetrically substituted phthalic anhydrides to give two acyclic adducts. When the reactions are allowed to proceed at higher temperature enol lactones are formed. Identification of the acyclic intermediates was necessary to understand the mechanism of these Wittig reactions. The transient species trapped in the reaction with trimethyloxonium tetrafluoroborate were unambiguously identified by crystallographic methods. The crystal structures of the tetrafluoroborate salt of methyl(triphenylphosphoranylidene)-acetate (8), methyl(3-methoxy,2-methoxycarbonylbenzoyl)triphenylphosphoranylideneacetate (6beta), and methyl(2-methoxycarbonyl,6-nitrobenzoyl)triphenylphosphoranylideneacetate (7alpha) were studied by X-ray diffraction. The ionic salt (8) is monoclinic, P21/c, a = 12.640(5), b = 13.945(9), c = 14.825(6) A, beta = 125.32(3), Z = 4, and R = 0.065 (F > 5.4 sigma(F)). Crystal 6beta is monoclinic, P21/c, a = 16.391(16), b = 9.029(6), c = 19.835(19) A, beta = 116.60(6), Z = 4, and R = 0.070 (F > 4.6 sigma(F)), while crystal 7alpha is also monoclinic, P21/c, a = 9.513(5), b = 9.361(3), c = 30.908(13) A, beta = 98.42(3), Z = 4, and R = 0.057 (F > Ssigma(F)). In the BF4- salt (12), the four P – C distances are equal (1.791(5)-1.801(7) A) with identical tetrahedral angles. For the two triphenylphosphoranylideneacetate compounds, the fourth P-C(1) bond is shorter (1.762(6)-1.734(5) A) than the three P-C(Ph) bonds (avg. 1.809(5) A). The angles C(1)-P-C(Ph) are also larger (avg. 112.9(2) for 6beta and 111.9(2) for 7alpha) than the C(Ph)-P-C(Ph) angles (avg. 105.8(2) for 6beta and 106.9(2) for 7alpha). These values suggest a multiple nature for the P-C(1) bond. In the nitro derivative, the nitro and the ester groups are disordered equally in positions 2 and 6.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Electric Literature of 14963-96-3. In my other articles, you can also check out more blogs about 14963-96-3

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Benzofuran – Wikipedia,
Benzofuran | C8H2880O – PubChem

Related Products of 14963-96-3, 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, 14963-96-3, molcular formula is C9H6O4, introducing its new discovery.

17O NUCLEAR MAGNETIC RESONANCE SPECTROSCOPIC STUDY OF SUBSTITUTED PHTHALIC ANHYDRIDES AND PHTHALIDES

17O chemical shift data (natural abundance) for 3-substituted phthalic anhydrides and 4- and 7-substituted phthalides in acetonitrile at 75 deg C are reported.Steric interactions of substituents ortho to the carbonyl groups result in deshielding effects (9-22 ppm) relative to parent compounds regardless of the electronic character of the substituents.Factors contributing to the deshielding effects are discussed.The relationship between 17O chemical shifts and regiochemistry of the phthalic anhydrides is discussed.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 14963-96-3 is helpful to your research. Related Products of 14963-96-3

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Benzofuran – Wikipedia,
Benzofuran | C8H2863O – PubChem

Synthetic Route of 14963-96-3, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.14963-96-3, Name is 4-Methoxyisobenzofuran-1,3-dione, molecular formula is C9H6O4. In a Article£¬once mentioned of 14963-96-3

Trisubstituted benzene leukotriene B4 receptor antagonists: Synthesis and structure-activity relationships

A series of trisubstituted benzenes which demonstrate leukotriene B4 (LTB4, 1) receptor affinity was prepared. Previous trisubstituted benzenes from our laboratory showed high affinity to the LTB4 receptor but demonstrated agonist activity in functional assays. Compound 3a, the initial lead compound of this new series, showed only modest affinity (IC50 = 0.20 muM). However, 3a was a receptor antagonist with no demonstrable agonist activity up to 30 muM. Further modification of the lipid tail and aryl head groups region led to the discovery of 3b (ONO-4057). This compound, free of agonist activity, possesses high affinity to the LTB4 receptor (K(i) = 3.7¡À0.9 nM).

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 14963-96-3

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Benzofuran | C8H2875O – PubChem

Related Products of 14963-96-3, 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. 14963-96-3, Name is 4-Methoxyisobenzofuran-1,3-dione, molecular formula is C9H6O4. In a Article£¬once mentioned of 14963-96-3

A VERSATILE SYNTHESIS OF HYDROXY-9,10-ANTHRAQUINONE-2-CARBOXYLIC ACIDS

Islandicin, a mould metabolite, can be synthesised in a few, robust, high yielding steps.This procedure can be further elaborated to give a variety of hydroxy-9,10-anthraquinone-2-carboxylic acids.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Related Products of 14963-96-3. In my other articles, you can also check out more blogs about 14963-96-3

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Benzofuran – Wikipedia,
Benzofuran | C8H2882O – PubChem

14963-96-3, Name is 4-Methoxyisobenzofuran-1,3-dione, belongs to benzofuran compound, is a common compound. Application In Synthesis of 4-Methoxyisobenzofuran-1,3-dioneIn an article, once mentioned the new application about 14963-96-3.

N-(pyridinylamino) isoindolines and related compounds

Novel N-(pyridinylamino)isoindolines and related compounds, intermediates and processes for the preparation thereof, and methods of relieving memory dysfunction and treating depression utilizing the N-(pyridinylamino)isoindolines and related compounds, the intermediates or compositions thereof are disclosed.

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14963-96-3, One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time.In a article, authors is Man, Hon-Wah, mentioned the application of 14963-96-3, Name is 4-Methoxyisobenzofuran-1,3-dione, molecular formula is C9H6O4

Discovery of (S)-N-{2-[1-(3-ethoxy-4-methoxy-phenyl)-2- methanesulfonylethyl]-1,3-dioxo-2,3-dihydro-1 H-isoindol-4-yl}acetamide (Apremilast), a potent and orally active phosphodiesterase 4 and tumor necrosis factor-a inhibitor

In this communication, we report the discovery of 1S (apremilast), a novel potent and orally active phosphodiesterase 4 (PDE4) and tumor necrosis factor-alpha inhibitor. The optimization of previously reported 3-(1,3-dioxo-1,3-dihydroisoindol-2-yl)-3-(3,4-dimethoxyphenyl)propionic acid PDE4 inhibitors led to this series of sulfone analogues. Evaluation of the structure-activity relationship of substitutions on the phthalimide group led to the discovery of an acetylamino analogue 1S, which is currently in clinical trials.

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An article , which mentions 14963-96-3, molecular formula is C9H6O4. The compound – 4-Methoxyisobenzofuran-1,3-dione played an important role in people’s production and life., 14963-96-3

The Discovery of Potent Nonpeptide Angiotensin II Receptor Antagonists: A New Class of Potent Antihypertensives

A new class of potent antihypertensives has been discovered that exert their effect through blockade of the angiotensin II (AII) receptor.Most AII antagonists reported so far are peptide mimics of the endogenous vasoconstrictor octapeptide angiotensin II.The compounds of this paper are nonpeptides and therefore constitute a new class of potent AII receptor antagonists.Based on the overlap of a conformation of AII with literature lead 3, a hypothesis was developed suggesting the need for an additional acidic functionality to increase the lead’s potency.The substitution of an additional carboxylic acid resulted in a 10-fold increase in binding affinity observed for diacid 4.The binding affinities for subsequent compounds were eventually increased 1000-fold over that of the literature leads through a systematic SAR study.Thus the AII receptor binding affinity of 15 muM for literature lead 1, for example, was increased to 0.018 and 0.012 muM for compounds 33 and 53.A structure-affinity relationship has been found requiring the presence of four key elements for good activity: (1) an additional phenyl ring at the N-benzyl para position of the benzylimidazole nucleus, (2) an acidic functionality at the ortho position of the terminal aromatic ring, (3) a lipophilic side chain at the imidazole 2-position of three to five carbon atoms in length, and (4) a group at the imidazole 5-position capable of hydrogen bonding.The synthesis as well as the pharmacological activity of the compounds in this new series of AII receptor antagonists are presented.

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Benzofuran – Wikipedia,
Benzofuran | C8H2870O – PubChem