Dioxole related

New research progress on 3130-19-6 in 2021. Catalysts allow a reaction to proceed via a pathway that has a lower activation energy than the uncatalyzed reaction. In an article, author is Huerta-Fontela, Maria, once mentioned the application of 3130-19-6, Name: Bis(7-oxabicyclo[4.1.0]heptan-3-ylmethyl) adipate, Name is Bis(7-oxabicyclo[4.1.0]heptan-3-ylmethyl) adipate, molecular formula is C20H30O6, molecular weight is 366.4486, MDL number is MFCD00191811, category is dioxole. Now introduce a scientific discovery about this category.

Previous studies have demonstrated high removal rates of amphetamine-type-stimulants (ATSs) through conventional drinking water treatments; however the behaviour of these compounds through disinfection steps and their transformation into disinfection-by-products (DBPs) is still ‘unknown. In this work, for the first time, the reactivity of some ATSs such as amphetamine, methamphetamine, 3,4-methylenedioxyamphetamine (MDA), 3,4-methylenedioxymethamphetamine (MDMA) and 3,4-methylenedioxyethylamphetamine (MDEA) with chlorine has been investigated under simulated and real drinking water treatment conditions in order to evaluate their ability to give rise to transforrnation products. Two new DBPs from these illicit drugs have been found. A common chlorinated-by-product (3-chlorobenzo)-1,3-dioxole, was identified for both MDA and MDEA while for MDMA, 3-chlorocatechol was found. The presence of these DBPs in water samples collected through drinking water treatment was studied in order to evaluate their formation under real conditions. Both compounds were generated through treatment from raw river water samples containing ATSs at concentration levels ranging from 1 to 15 ng/L for MDA and from 2.3 to 78 ng/L for MDMA. One of them, (3-chlorobenzo)-1,3-dioxole, found after the first chlorination step, was eliminated after ozone and GAC treatment while the MDMA DBP mainly generated after the postchlorination step, showed to be recalcitrant and it was found in final treated waters at concentrations ranging from 0.5 to 5.8 ng/L. (c) 2012 Elsevier Ltd. All rights reserved.

But sometimes, even after several years of basic chemistry education, it is not easy to form a clear picture on how they govern reactivity! 3130-19-6, you can contact me at any time and look forward to more communication. Name: Bis(7-oxabicyclo[4.1.0]heptan-3-ylmethyl) adipate.

Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem

New Advances in Chemical Research in 2021. Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction by binding to a specific portion of an enzyme and thus slowing or preventing a reaction from occurring. 85-61-0, Name is Coenzyme A, SMILES is CC(COP(O)(OP(O)(OC[C@](O1)([H])[C@](OP(O)(O)=O)([H])[C@](O)([H])[C@]1([H])N2C=NC(C2=NC=N3)=C3N)=O)=O)(C(O)([H])/C(O)=N/CC/C(O)=N/CCS)C, in an article , author is Abele, Edgars, once mentioned of 85-61-0, COA of Formula: https://www.ambeed.com/products/85-61-0.html.

Novel palladium-catalyzed cascade reaction of 2-methylindoles with 2-iodobenzyl bromide in the system Pd(OAc)(2) / Xantphos / t-BuOK / toluene leading to indole-fused tricyclo[7,3,1,0(2,7)] trideca-2(7),3,5-triene ring system was presented. Palladium catalyzed reaction of 2-methylindoles with 6-bromo-5-bromomethylbenzo[1,3] dioxole leads to 3,3-bis(6-bromobenzo[1,3]dioxol-5-ylmethyl)-2-methyl-3H-indoles.

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Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem

New Advances in Chemical Research, April 2021. Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. 85-61-0, Name is Coenzyme A, SMILES is CC(COP(O)(OP(O)(OC[C@](O1)([H])[C@](OP(O)(O)=O)([H])[C@](O)([H])[C@]1([H])N2C=NC(C2=NC=N3)=C3N)=O)=O)(C(O)([H])/C(O)=N/CC/C(O)=N/CCS)C, belongs to dioxole compound. In a document, author is Zhang, Jiangli, introduce the new discover, Computed Properties of https://www.ambeed.com/products/85-61-0.html.

A one-pot three-component condensation of 3,4-methylenedioxyphenol, aromatic aldehydes, and 1,3-dimethylbarbituric acid, efficiently promoted in the presence of Zr(HSO4)(4) under solvent-free conditions, produced 10-aryl-6,8-dimethyl-6,10-dihydro-5-oxa-6,8-diazaanthra[2,3-d][1,3] dioxole-7,9-diones. The method offers several advantages including simple, easy and clean work-up procedure, relatively short reaction times and good to high yields of the products.

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Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem

New Advances in Chemical Research, April 2021. Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. 18422-53-2, Name is 1,2:4,5-Di-O-Isopropylidene-Beta-D-Erythro-2,3-Hexodiulo-2,6-Pyranose, SMILES is O=C1[C@@]2(OC[C@]3([H])[C@@]1([H])OC(C)(O3)C)OC(C)(OC2)C, belongs to dioxole compound. In a document, author is Phani, A. R., introduce the new discover, Product Details of 18422-53-2.

Crack free and smooth surfaces of poly [4,5-difluoro 2,2-bis (trifluoromethyl)-(1,3 dioxole)-co-tetrafluoroethylene] (TFE-co-TFD) thin films have been deposited by wet chemical dip coating technique on polished quartz and glass slide substrates. The deposited films have been subjected to annealing at different temperatures ranging from 100 to 500 degrees C for 1 h in argon atmosphere. The elemental composition of the as-deposited (xerogel) thin film as well as film annealed at 400 degrees C was measured by X-ray photoelectron spectroscopy and observed that there was no change in the composition of the film. X-ray diffraction pattern revealed the amorphous behaviour of both as-deposited and film annealed at 400 degrees C. Surface morphology and elemental composition of the films have been examined by employing scanning electron microscopy attached with energy dispersive X-ray analyser, respectively. It was found that as the annealing temperature increased from 100 degrees to 400 degrees C, nano-hemisphere-like structures have been grown, which in turn has shown increase in the water contact angle from 122 degrees to 148 degrees and oil (peanut) contact angle from 85 degrees to 96 degrees. No change in the water contact angle (122) has been observed when the films deposited at room temperature were heated in air from 30 to 80 degrees C as well as exposed to steam for 8 days for 8 h/day indicating thermal stability of the film. (c) 2006 Elsevier Ltd. All rights reserved.

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Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem

New Advances in Chemical Research, April 2021. Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media. 91526-18-0, Name is 4-(Hydroxymethyl)-5-methyl-1,3-dioxol-2-one, SMILES is CC1=C(CO)OC(=O)O1, belongs to dioxole compound. In a document, author is Wu, Chuyi, introduce the new discover, Safety of 4-(Hydroxymethyl)-5-methyl-1,3-dioxol-2-one.

A new decarboxylative perfluoroalkylation of vinyl bromides has been developed. The use of copper(I) trifluoroacetate complex (phen)Cu(O2CCF3) (1) and perfluorocarboxylate complexes [(phen)(2)Cu](O2CRF) (2; R-F=C2F5, n-C3F7, n-C4F9, n-C5F11) as reagents allows for the efficient synthesis of trifluoromethylated and perfluoroalkylated olefins, respectively. Vinyl bromides comprising a range of functionalities (e.g., methoxy, ester, nitrile, nitro, trifluoromethyl, chloride, and benzo[d][1,3]dioxole) were successfully accommodated. The decarboxylative trifluoromethylation and perfluoroalkylation reactions also proceeded with retention of the double-bond stereochemistry of alkenes after the reaction was completed.

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Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem

New Advances in Chemical Research in 2021. Application of 29836-26-8, As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 29836-26-8, Name is Octyl β-D-glucopyranoside, SMILES is CCCCCCCCO[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O, belongs to dioxole compound. In a article, author is Considine, RF, introduce new discover of the category.

An atomic force microscope has been employed to measure the force of interaction between a micron-sized colloidal sphere and a flat plate, both coated with a copolymer of perfluoro(2,2-dimethyl-1,3-dioxole) and tetrafluoroethylene (Teflon AF1600) in water, glycerol, formamide, ethylene glycol, ethylammonium nitrate, formic acid, ethanol, methanol, diiodomethane, 1-bromonaphthalene, hexadecane, and hexane. A long-range force of attraction was measured in water and, with the exception of the n-alkanols and n-alkanes, all the organic liquids. The results indicate that there is a macroscopic long-range attraction between solvophobic surfaces that has a different origin from that of the hydrophobic interaction observed at the molecular level, The results also indicate that there is a solvophobic force that is not due to either orientational ordering propagated by hydrogen bonds, electrostatic (or polarization) effects, or condensates of loosely attached surface material; all mechanisms that have been invoked previously to explain the macroscopic hydrophobic force. The force curves measured in the organic liquids provide a new perspective which is consistent with the hypothesis that submicroscopic air bubbles adhering to the macroscopic surfaces are responsible for a long-range attraction.

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Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem

New Advances in Chemical Research, April 2021. Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. Quality Control of Hoffer’s chlorosugar4330-21-6, Name is Hoffer’s chlorosugar, SMILES is O=C(O[C@@H]1[C@@H](COC(C2=CC=C(C)C=C2)=O)O[C@H](Cl)C1)C3=CC=C(C)C=C3, belongs to dioxole compound. In a article, author is Wang, Xiao-Ming, introduce new discover of the category.

In the molecule of title compound, C12H14O3, the benzodioxole ring system is essentially planar. In the crystal structure, weak intermolecular C-H center dot center dot center dot O hydrogen bonds link molecules into chains along the c axis, and pi-pi contacts between dioxole rings and between dioxole and benzene rings of the benzodioxole ring systems [centroid-centroid distances 3.702 (3) and 3.903 (3) angstrom] may further stabilize the structure. Two C-H center dot center dot center dot pi interactions are also found.

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Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem

Chemical Research Letters, April 2021. As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. Safety of Mono-(6-p-toluenesulfonyl)-β-cyclodextrin67217-55-4, Name is Mono-(6-p-toluenesulfonyl)-β-cyclodextrin, SMILES is O=S(OC[C@@H]1[C@@]([C@@H]([C@H]([C@]([H])(O1)O[C@@]23[H])O)O)([H])O[C@]4([H])[C@H](O)[C@H]([C@@]([H])([C@H](O4)CO)O[C@]5([H])[C@H](O)[C@H]([C@@]([H])([C@H](O5)CO)O[C@]6([H])[C@H](O)[C@H]([C@@]([H])([C@H](O6)CO)O[C@@]([H])(O[C@@H]([C@]7(O[C@@]([H])(O[C@@H]([C@]8(O[C@]([H])([C@@H]([C@H]2O)O)O[C@@H]3CO)[H])CO)[C@@H]([C@H]8O)O)[H])CO)[C@@H]([C@H]7O)O)O)O)O)(C9=CC=C(C=C9)C)=O, belongs to dioxole compound. In a article, author is Beckford, Floyd A., introduce new discover of the category.

A series of copper complexes were synthesized from benzo[d][1,3]dioxole-5-carbaldehyde (piperonal) thiosemicarbazones (RHpTSC where R = H, CH3, C2H5 or C6H5 (Ph)). The complexes show interesting variations in geometry depending on the thiosemicarbazone; a dinuclear complex [Cu(HpTSC)Cl]2, a mononuclear complex [Cu(RHpTSC)2Cl2] (R = CH3 or C2H5) and another mononuclear complex [Cu(PhHpTSC)(PhpTSC)Cl] was generated. The complexes bind in a moderately strong fashion to DNA with binding constants on the order of 10(4)M(-1). They are also strong binders of human serum albumin with binding constants near 10(4) M-1. The complexes show good in vitro cytotoxic profiles against two human colon cancer cell lines (HT-116 and HT29) and two human breast cancer cell lines (MCF-7 and MDA-MB-231) with IC50 values in the low millimolar concentration range. (C) 2011 Elsevier B.V. All rights reserved.

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Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem

New Advances in Chemical Research, April 2021. Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. Reference of 2210-74-42210-74-4, Name is 1-(2-Methoxyphenoxy)-2,3-epoxypropane, SMILES is COC1=C(OCC2CO2)C=CC=C1, belongs to dioxole compound. In a article, author is Hernandez, Paola, introduce new discover of the category.

Neglected diseases represent a major health problem. It is estimated that one third of the world population is infected with tuberculosis and additionally Leishmaniosis and Chagas disease affect approximately 30 million people. N-Acylhydrazone moiety is a repeated functional group present in several prototypes and drug candidates for these neglected diseases. On the other hand, furoxan system has been studied as pharmacophore for Leishmaniosis and Chagas diseases. Here we report on the design and preparation of forty hybrid furoxanyl N-acylhydrazones and on their activity on Mycobacterium tuberculosis, H37Rv and MDR strains, Trypanosoma cruzi, and Leishmania amazonensis. Among them, four derivatives displayed excellent to good selectivity indexes against the three different microorganisms. Hybrid compound N’-(4-phenyl-3-furoxanylmethylidene)isoniazide 9 showed the best antibacterial profile with MIC value 4.5 lesser than the value for the reference isoniazid against MDR strain. Furoxanyl N-acylhydrazone (E)-2-methyl-N’-(4-phenyl-3-furoxanylmethylidene)-4H-imidazo[1,2-a] pyridine-3-carbohydrazide 15 was ten-fold more potent against T cruzi Amastigotes than the standard drug nifurtimox. On the other hand, derivatives (E)-N’-(5-benzofuroxanylmethylidene)benzo[d][1,3] dioxole-5-carbohydrazide 25 and (E)-N’-(4-hydroxy-3-methoxyphenylmethylidene)-3-methylfuroxan-4-carbohydrazide 37 emerged as leads for the development of new leishmanicidal agents. The adequate stability, in simulated biological system and plasma, and the lack of mutagenicity of these derivatives allow us to propose them as candidates for further pre-clinical studies. (C) 2012 Elsevier Masson SAS. All rights reserved.

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Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem

Chemical Research Letters, April 2021. As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. Computed Properties of https://www.ambeed.com/products/114214-49-2.html114214-49-2, Name is tert-Butyl 6-oxa-3-azabicyclo[3.1.0]hexane-3-carboxylate, SMILES is C(C)(C)(C)OC(=O)N2CC1OC1C2, belongs to dioxole compound. In a article, author is Vansco, Michael F., introduce new discover of the category.

Ozonolysis of isoprene, one of the most abundant volatile organic compounds emitted into the Earth’s atmosphere, generates two four-carbon unsaturated Criegee intermediates, methyl vinyl ketone oxide (MVK-oxide) and methacrolein oxide (MACR-oxide). The extended conjugation between the vinyl substituent and carbonyl oxide groups of these Criegee intermediates facilitates rapid electrocyclic ring closures that form five-membered cyclic peroxides, known as dioxoles. This study reports the first experimental evidence of this novel decay pathway, which is predicted to be the dominant atmospheric sink for specific conformational forms of MVK-oxide (anti) and MACR-oxide (syn) with the vinyl substituent adjacent to the terminal O atom. The resulting dioxoles are predicted to undergo rapid unimolecular decay to oxygenated hydrocarbon radical products, including acetyl, vinoxy, formyl, and 2-methylvinoxy radicals. In the presence of O-2, these radicals rapidly react to form peroxy radicals (ROO), which quickly decay via carbon-centered radical intermediates (QOOH) to stable carbonyl products that were identified in this work. The carbonyl products were detected under thermal conditions (298 K, 10 Torr He) using multiplexed photoionization mass spectrometry (MPIMS). The main products (and associated relative abundances) originating from unimolecular decay of anti-MVK-oxide and subsequent reaction with O-2 are formaldehyde (88 +/- 5%), ketene (9 +/- 1%), and glyoxal (3 +/- 1%). Those identified from the unimolecular decay of syn-MACR-oxide and subsequent reaction with O-2 are acetaldehyde (37 +/- 7%), vinyl alcohol (9 +/- 1%), methylketene (2 +/- 1%), and acrolein (52 +/- 5%). In addition to the stable carbonyl products, the secondary peroxy chemistry also generates OH or HO2 radical coproducts.

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Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem