Month: July 2021

Reference of 70918-54-6, 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, 70918-54-6, Name is (S)-1,4-Benzodioxane-2-carboxylic acid, introducing its new discovery.

Decarboxylative alkylation or acylation reactions of simple pyrimidines have been developed in aqueous media. Using aliphatic carboxylic acids or 2-oxocarboxylic acids and pyrimidines as substrates and silver as the catalyst, the 4-substituted alkyl or acyl pyrimidines were isolated in moderate to good yields. This journal is

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

Reference of 214894-89-0, Chemical Research Letters, May 2021.In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 214894-89-0, Name is 5-(Bromomethyl)-2,3-dihydro-1,4-benzodioxine,introducing its new discovery.

The stereoselective preparation of vinylboronates via rhodium-catalyzed borylation of E/Z mixtures of vinyl actetates is described, and this method was also extended to synthesis of vinyldiboronates. These transformations feature high functional group compatibility and mild reaction conditions. Control experiments support a mechanism that involved a Rh-catalyzed borylation-isomerization sequence. The isomerization of (Z)-vinylboronates to (E)-isomers was also demonstrated.

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

Synthetic Route of 4442-53-9, 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 Patent, and a compound is mentioned, 4442-53-9, Name is 2,3-Dihydrobenzo[b][1,4]dioxine-5-carboxylic acid, introducing its new discovery.

Compounds of Formula I are disclosed and methods of treating viral infections with compositions comprising such compounds (Formula I)

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

New discoveries in chemical research and development in 2021. We’ll be discussing some of the latest developments in chemical about CAS: 70918-54-6,Recommanded Product: 70918-54-6, In a article, mentioned the application of 70918-54-6, molecular formula is C9H8O4

The one-step conversion of aliphatic carboxylic acids to the corresponding nitriles has been accomplished via the merger of visible light mediated photoredox and cyanobenziodoxolones (CBX) reagents. The reaction proceeded in high yields with natural and non-natural alpha-amino and alpha-oxy acids, affording a broad scope of nitriles with excellent tolerance of the substituents in the alpha position. The direct cyanation of dipeptides and drug precursors was also achieved. The mechanism of the decarboxylative cyanation was investigated both computationally and experimentally and compared with the previously developed alkynylation reaction. Alkynylation was found to favor direct radical addition, whereas further oxidation by CBX to a carbocation and cyanide addition appeared more favorable for cyanation. A concerted mechanism is proposed for the reaction of radicals with EBX reagents, in contrast to the usually assumed addition elimination process.

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

Electric Literature of 22013-33-8, New Advances in Chemical Research in 2021. Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis. 22013-33-8, Name is 2,3-Dihydrobenzo[b][1,4]dioxin-6-amine. In a Article, once mentioned of 22013-33-8.

In this work the synthesis and the biological evaluation of some novel anilinoquinazoline derivatives carrying modifications in the quinazoline scaffold and in the aniline moiety were reported. Preliminary cytotoxicity studies identified three derivatives, carrying dioxygenated rings fused on the quinazoline portion and the biphenylamino substituent as aniline portion, as the most effective compounds. Further investigations revealed that these compounds exhibited antiproliferative activity on a wide panel of human tumor cell lines through the inhibition of both receptor and nonreceptor TKs. Furthermore, the compound bearing the dioxolane nucleus was also able to inhibit in vivo tumor growth. Molecular modeling of these compounds into kinase domain suggested that the phenyl group allows favorable interaction energies with the target proteins: this feature is favored by fused dioxygenated ring at the 6,7 positions, whereas free rotating functions do not allow the correct placement of the molecule, thus impairing the inhibitory potency. Finally, the biphenylamino derivatives, at noncytotoxic concentrations, acted as antiangiogenic agents both in in vitro and in vivo assays.

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

Research speed reading in 2021.The prevalence of solvent effects has motivated developing quantitative kinetic, spectroscopic, and theoretical assessments of solvent structures and their interactions with reaction intermediates and transition states. Product Details of 10288-72-9, In a article, mentioned the application of 10288-72-9, Name is 6-Hydroxy-1,4-benzodioxane, molecular formula is C8H8O3

Compounds of the formula (I) wherein X, R1, R2, and Ar1 as defined in the specification. The compounds are useful medicaments, particularly in the treatment of asthma or rhinitis

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

New discoveries in chemical research and development in 2021. We’ll be discussing some of the latest developments in chemical about CAS: 274910-19-9,name: (2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)methanol, In a article, mentioned the application of 274910-19-9, molecular formula is C9H10O3

An N-acylamino acid derivative of the formula: STR1 wherein the substituents are herein defined or a salt thereof, which is useful as hypotensive drugs.

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

Electric Literature of 214894-89-0, Chemical Research Letters, May 2021.In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 214894-89-0, Name is 5-(Bromomethyl)-2,3-dihydro-1,4-benzodioxine,introducing its new discovery.

Disclosed are compounds of Formula I, including pharmaceutically acceptable salts, pharmaceutical compositions comprising the compounds, methods for making the compounds and their use in inhibiting HIV integrase and treating those infected with HIV or AIDS. (I)

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

New discoveries in chemical research and development in 2021. We’ll be discussing some of the latest developments in chemical about CAS: 39270-39-8,COA of Formula: C9H10O3, In a article, mentioned the application of 39270-39-8, molecular formula is C9H10O3

The invention concerns the preparation of compounds of formula STR1 and acid addition and quaternary ammoniun salts thereof, wherein the dotted line represents an optional bond, Ar represents a ring system of formula STR2 in which Q is O, S, –CR7 =CR8 –, –N=CR8 — and –N=N–; R4, R5 and R6, and R7 and R8 when present, each represent hydrogen or a substituent selected from lower alkyl, lower alkenyl, lower alkoxy, NO2, NH2, haloloweralkyl, hydroxyloweralkyl, aminoloweralkyl, substituted amino, halogen, loweralkoxycarbonyl, cyano, CONH2 and hydroxy; and additionally either R4 and R5 when adjacent or R6 and R8 when adjacent, together with the carbon atoms to which they are attached also represent a fused five or six membered carbocylic or heterocyclic ring optionally carrying one or more substituents as defined above; R is an optionally substituted aryl or heteroaryl radical or a cycloalkyl radical containing 5 to 7 carbon atoms; R1, R2, R3 and R9 are each hydrogen or a lower alkyl group; n is 0 or 1; X is =O, =S or =NH; Y is –O– or a direct bond and Z is — CO– or –CH2 –, with the proviso that when Ar is unsubstituted phenyl and R9 is hydrogen then Y is –O–. The compounds of formula I exhibit psychotropic activity and are useful as antidepressants.

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

Research speed reading in 2021.The prevalence of solvent effects has motivated developing quantitative kinetic, spectroscopic, and theoretical assessments of solvent structures and their interactions with reaction intermediates and transition states. Formula: C10H10O3, In a article, mentioned the application of 2879-20-1, Name is 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)ethanone, molecular formula is C10H10O3

Human 5-lipoxygenase (5-LOX) is a well-validated drug target and its inhibitors are potential drugs for treating leukotriene-related disorders. Our previous work on structural optimization of the hit compound 2 from our in-house collection identified two lead compounds, 3a and 3b, exhibiting a potent inhibitory profile against 5-LOX with IC50 values less than 1 mumol/L in cell-based assays. Here, we further optimized these compounds to prepare a class of novel pyrazole derivatives by opening the fused-ring system. Several new compounds exhibited more potent inhibitory activity than the lead compounds against 5-LOX. In particular, compound 4e not only suppressed lipopolysaccharide-induced inflammation in brain inflammatory cells and protected neurons from oxidative toxicity, but also significantly decreased infarct damage in a mouse model of cerebral ischemia. Molecular docking analysis further confirmed the consistency of our theoretical results and experimental data. In conclusion, the excellent in vitro and in vivo inhibitory activities of these compounds against 5-LOX suggested that these novel chemical structures have a promising therapeutic potential to treat leukotriene-related disorders.

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