Month: July 2021

Reference of 2879-20-1, Research speed reading in 2021. The prevalence of solvent effects has motivated developing quantitative kinetic, and theoretical assessments of solvent structures and their interactions with reaction intermediates. In a document type is Article, and a compound is mentioned, 2879-20-1, Name is 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)ethanone, introducing its new discovery.

A series benzylpiperidinium and benzylpyridinium quaternary salts have been synthesised and tested for inhibition of acetylcholinesterase and reversal of neuromuscular block induced by vecuronium. Several potent reversal agents have been identified and their haemodynamic effects measured.

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Reference：
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Reference of 2879-20-1, Chemical Research Letters, May 2021. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. 2879-20-1, Name is 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)ethanone,introducing its new discovery.

Novel compounds represented by the following formula (I) that act as a ligand to sigma receptor/binding cite and a medicament comprising the same as an active ingredient: 1wherein X represents an alkyl group, an aryl group, a heterocyclic group or the like; Q represents a group represented by ?CH2?, ?CO?, ?O?, ?CH(OR7)? or the like wherein R7 represents a hydrogen atom, an alkyl group or the like; n represents an integer of from 0 to 5; R1 and R2 each represent a hydrogen atom, an alkyl group or the like; B represents either of the following groups: 2wherein R3, R4, R5, and R6 each represent a hydrogen atom, a halogen atom, an alkoxyl group or the like; m represents 1 or 2; and the ring of: 3represents an aromatic heterocyclic ring.

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Reference：
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Research speed reading in 2021.The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. COA of Formula: C8H9NO2, In a article, mentioned the application of 22013-33-8, Name is 2,3-Dihydrobenzo[b][1,4]dioxin-6-amine, molecular formula is C8H9NO2

An efficient and catalyst-free process for the direct oxidative synthesis of formanilides from primary aromatic amines and aliphatic aldehydes has been developed under mild aerobic oxidation conditions. The isotope-labeling experiments indicated that the oxygen atom of the formanilide originated from dioxygen.

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Reference：
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Research speed reading in 2021.The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. Recommanded Product: 4442-53-9, In a article, mentioned the application of 4442-53-9, Name is 2,3-Dihydrobenzo[b][1,4]dioxine-5-carboxylic acid, molecular formula is C9H8O4

A containing 1, 4 – benzodioxane of benzene and 1, 2, 4 – triazole class derivatives, has the following general formula: In the formula R is: The invention containing 1, 4 – benzodioxane of benzene and 1, 2, 4 – triazole class derivatives to the bacillus subtilis (B. subtilis), Staphylococcus aureus (S. aureus), Escherichia coli (E.coli), Pseudomonas aeruginosa (P. aeruginosa) is markedly inhibited, so this invention containing 1, 4 – benzodioxane of 1, 2, 4 – triazole class derivatives can be in preparing antibacterial drug application. The invention discloses the preparation method. (by machine translation)

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Reference：
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Synthetic Route of 4442-59-5, Chemical Research Letters, May 2021. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. 4442-59-5, Name is (2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methanamine,introducing its new discovery.

A convenient method is proposed for the preparative synthesis of pure diastereomers and enantiomers of fluoro-substituted (2S,3R)- and (2R,3R)-beta-phenylserines by the hydroxyalkylation of the Ni(II)-complex of the Schiff base of glycine with (S)-2-N-(N1-benzylpropyl)aminobenzophenone using the corresponding fluoro-substituted benzaldehydes.

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Reference：
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Synthetic Route of 214894-89-0, Research speed reading in 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing quantitative kinetic. In a document type is Article, and a compound is mentioned, 214894-89-0, Name is 5-(Bromomethyl)-2,3-dihydro-1,4-benzodioxine, introducing its new discovery.

Due to their biological activity and structural analogy to corresponding alpha-amino acids, alpha-aminophosphonates and their fluorinated derivatives provide an important source for drug discovery. Therefore convenient access to this class of compounds is still desirable. Four series of novel phosphonate analogues of fluorinated phenylalanine containing variable number of fluorine atoms in different positions of the phenyl ring were synthesized and subjected to solid state characterization by single-crystal X-ray diffraction analysis, and to studies with the use of NMR, HRMS and DFT methods. Such an approach provided valuable information in regard to preferable conformation, hydrogen bonds and also weak intermolecular interactions present in the crystals investigated. As analogues of naturally occurring compounds, the obtained alpha-aminophosphonates have a big potential for biological activity. Formation of some indolinylphosphonates as minor products arisen from intramolecular SNAr reactions show that aminophosphonates exhibiting an electronically depleted aromatic group, and possessing a fluorine atom in ortho position of the phosphonoalkyl substituent may give an entrance to further derivatives that may exhibit entirely new properties.

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Reference：
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Related Products of 10288-72-9, Chemical Research Letters, May 2021. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. 10288-72-9, Name is 6-Hydroxy-1,4-benzodioxane,introducing its new discovery.

This invention is directed to methods of preparing certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.

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Reference：
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Electric Literature of 214894-89-0, New Advances in Chemical Research, May 2021. The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. In a document type is Patent, and a compound is mentioned, 214894-89-0, Name is 5-(Bromomethyl)-2,3-dihydro-1,4-benzodioxine, introducing its new discovery.

2-Alkyl-indazole compound and its pharmaceutically acceptable salts of acid addition, method and intermediates for preparing them, a pharmaceutical composition containing them and use of the latter. The 2-alkyl-indazole compound has the following general formula (I) in which R1, R2, R3, R4, R6, R7, X, Y, W, n, p, and m have the meanings stated in the description.

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Reference：
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Reference of 22013-33-8, New Advances in Chemical Research, May 2021. The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. In a document type is Article, and a compound is mentioned, 22013-33-8, Name is 2,3-Dihydrobenzo[b][1,4]dioxin-6-amine, introducing its new discovery.

A chemical genomic screen of an in-house library of small molecule heterocycles was carried out using Xenopus laevis embryos. This led to the identification of N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)-4-methoxyaniline (1c), which elicits loss of pigmentation in melanophores and the retinal pigment epithelium (RPE) of developing embryos, independent of the developmental stage of initial exposure. The phenotype was reversible, since pigmentation returned upon compound removal while analysis of neural crest cell markers (Pax7) and melanophore markers (Dct/Xtrp2) revealed that both neural crest precursors and fully differentiated melanophores were present in the dithiazole 1c treated embryos. A subsequent focused structure-activity relationship (SAR) study identified the more active dithiazole 4-benzyloxy-N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)-aniline (1l) and the need for a chlorine substituent at the dithiazole C-4 position. Both the initial chemical genomic screen and the focused SAR study highlighted the toxicity of (dithiazolylidene)aminoazines, and also of methoxyaniline (anisidine) analogues that hosted strong electron-withdrawing or electronegative substituents or acidic hydroxyl groups on the anisidine moiety. This study suggests that 1,2,3-dithiazoles can act as reversible melanin synthesis inhibitors, revealing a new biological activity for this class of compounds. The inhibition of melanin synthesis is medically relevant as a potential treatment for pigmentation disorders such as melasma.

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Reference：
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Research speed reading in 2021.The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. Recommanded Product: 22013-33-8, In a article, mentioned the application of 22013-33-8, Name is 2,3-Dihydrobenzo[b][1,4]dioxin-6-amine, molecular formula is C8H9NO2

The present invention relates to the compounds of formula (I) that can be employed in the diagnosis, monitoring of disease progression or monitoring of drug activity, of a group of disorders and abnormalities associated with alpha-synuclein (a-synuclein, A- synuciein, aSynuciein, A-syn, a-syn, aSyn) aggregates including, but not limited to, Lewy bodies and/or Lewy neurites, such as Parkinson’s disease. The instant compounds are particularly useful in determining a predisposition to such a disorder, monitoring residual disorder, or predicting the responsiveness of a patient who is suffering from such a disorder to the treatment with a certain medicament. The present compounds can also be used to treat, alleviate or prevent a disorder or abnormality associated with alpha-synuclein aggregates.

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Reference：
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem