Dioxole related

Design, synthesis and biological evaluation of multifunctional tacrine-curcumin hybrids as new cholinesterase inhibitors with metal ions-chelating and neuroprotective property was written by Liu, Zhikun;Fang, Lei;Zhang, Huan;Gou, Shaohua;Chen, Li. And the article was included in Bioorganic & Medicinal Chemistry in 2017.Recommanded Product: Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate The following contents are mentioned in the article:

Total sixteen tacrine-curcumin hybrid compounds were designed and synthesized for the purpose of searching for multifunctional anti-Alzheimer agents. In vitro studies showed that these hybrid compounds showed good cholinesterase inhibitory activity. Particularly, the potency of K_3-2 is even beyond tacrine. Some of the compounds exhibited different selectivity on acetylcholinesterase or butyrylcholinesterase due to the structural difference. Thus, the structure and activity relationship is summarized and further discussed based on mol. modeling studies. The ORAC and MTT assays indicated that the hybrid compounds possessed pronounced antioxidant activity and could effectively protect PC12 cells from the H₂O₂/Aβ42-induced toxicity. Moreover, the hybrid compounds also showed pos. metal ions-chelating ability in vitro, suggesting a potential to halt ion-induced Aβ aggregation. All the obtained results demonstrated that the tacrine-curcumin hybrid compounds, in particular compound K_3-2, can be considered as potential therapeutic agents for Alzheimer’s disease. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Recommanded Product: Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate).

Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1) belongs to dioxole derivatives. Dioxoles, particularly fluorinated dioxoles, are used as co-monomers to make polymers that find use in forming protective coatings for chemical resistance. Although benzodioxole is not particularly important, many related compounds containing the methylenedioxyphenyl group are bioactive, and thus are found in pesticides and pharmaceuticals.Recommanded Product: Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate

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

LLY-283, a Potent and Selective Inhibitor of Arginine Methyltransferase 5, PRMT5, with Antitumor Activity was written by Bonday, Zahid Q.;Cortez, Guillermo S.;Grogan, Michael J.;Antonysamy, Stephen;Weichert, Ken;Bocchinfuso, Wayne P.;Li, Fengling;Kennedy, Steven;Li, Binghui;Mader, Mary M.;Arrowsmith, Cheryl H.;Brown, Peter J.;Eram, Mohammad S.;Szewczyk, Magdalena M.;Barsyte-Lovejoy, Dalia;Vedadi, Masoud;Guccione, Ernesto;Campbell, Robert M.. And the article was included in ACS Medicinal Chemistry Letters in 2018.Safety of ((3aR,4R,6R,6aR)-6-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol The following contents are mentioned in the article:

Protein arginine methyltransferase 5 (PRMT5) is a type II arginine methyltransferase that catalyzes the formation of sym. dimethylarginine in a number of nuclear and cytoplasmic proteins. Although the cellular functions of PRMT5 have not been fully unraveled, it has been implicated in a number of cellular processes like RNA processing, signal transduction and transcriptional regulation. PRMT5 is ubiquitously expressed in most tissues and its expression has been shown to be elevated in several cancers including breast cancer, gastric cancer, glioblastoma and lymphoma. Here we describe the identification and characterization of a novel and selective PRMT5 inhibitor with potent in vitro and in vivo activity. Compound 1 (also called LLY-283) inhibited PRMT5 enzymic activity in vitro and in cells with IC₅₀ of 22 ± 3 nM and 25 ± 1 nM, resp. while its diastereomer, compound 2 (also called LLY-284) was much less active. Compound 1 also showed antitumor activity in mouse xenografts when dosed orally and can serve as an excellent probe mol. for understanding the biol. function of PRMT5 in normal and cancer cells. This study involved multiple reactions and reactants, such as ((3aR,4R,6R,6aR)-6-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol (cas: 158078-04-7Safety of ((3aR,4R,6R,6aR)-6-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol).

((3aR,4R,6R,6aR)-6-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol (cas: 158078-04-7) belongs to dioxole derivatives. Dioxoles, particularly fluorinated dioxoles, are used as co-monomers to make polymers that find use in forming protective coatings for chemical resistance. 1,3-Benzodioxole can be synthesized from catechol with disubstituted halomethanes.Safety of ((3aR,4R,6R,6aR)-6-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol

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

Condensation on the silica-supported cerium (IV) sulfate solid acid catalyst was written by Ren, Liguo;Zhang, Xiaoli;Gao, Wenyi. And the article was included in Xitu in 2012.Reference of 6413-10-1 The following contents are mentioned in the article:

Silica-supported cerium (IV) sulfate [Ce(SO₄)₂/SiO₂] solid acid catalyst was prepared by sol-gel and impregnation methods. The catalytic activities for condensation of Et acetoacetate with 1,3-butandiol were evaluated with the same condition. The effects of the calcination temperature of the catalyst, mass fraction of cerium (IV) sulfate, molar ratio of Et acetoacetate to 1,3-butandiol, mass fraction of Ce(SO₄)₂/SiO₂ and reaction time were discussed in detail. It showed that Ce(SO₄)₂/SiO₂ solid acid was more active than cerium (IV) sulfate tetrahydrate. The yield of fructone was more than 95.5% under the condensation conditions of calcination temperature of catalyst 500 degree, mass fraction of cerium (IV) sulfate 15.0%, molar ratio of Et acetoacetate to 1,3-butandiol 1:1.2, mass fraction of Ce(SO₄)₂/SiO₂ in Et acetoacetate 7.5% and reaction time 120 min. The experiments also revealed that the Ce(SO₄)₂/SiO₂ catalyst had good repetitious and reproducible stability. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Reference of 6413-10-1).

Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1) belongs to dioxole derivatives. Dioxoles, particularly fluorinated dioxoles, are used as co-monomers to make polymers that find use in forming protective coatings for chemical resistance. 1,3-Benzodioxole can be synthesized from catechol with disubstituted halomethanes.Reference of 6413-10-1

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

Synthesis of fructone and its derivatives by using acidic ionic liquid as catalyst was written by Yi, Feng-ping;Zhang, Xuan;Pan, Xian-hua;Chen, Shi-hong. And the article was included in Huaxue Shiji in 2011.Quality Control of Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate The following contents are mentioned in the article:

The acid functional ionic liquid 1-(4-sulfobutyl)-3-methylpyrazinium tetrafluoroborate (abbreviated as [4-sulfbmpyrazine][BF₄]), was prepared Fructone and its derivatives I(R¹ = H, Me, R² = MeO, EtO) and II(R = EtO, MeO) were prepared by the reaction of Et acetoacetate and diol in the presence of [4-sulfbmpyrazine][BF₄] as acidic catalyst. And the proper technol. conditions were identified as follows by orthogonal experiments The proper reaction conditions of fructone is a ratio of mol n(Et acetoacetate):n(ethylene glycol) = 0.10:0.15, the reaction time of 6 h, the amount of catalyst of 0.5 g and the amount of cyclohexane as carrying-water reagent of 40 mL. The yield could reach 95.4%. Six kinds of derivatives of fructone are synthesized using acidic functional ionic liquid as catalyst. The catalyst had a fairly high catalytic activity and high yield. The acidic functional ionic liquid could be recovered and reused for at least five times without the loss of efficiency. It provided a new and green way for the synthesis of Fructone and its derivatives This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Quality Control of Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate).

Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1) belongs to dioxole derivatives. Dioxoles, particularly fluorinated dioxoles, are used as co-monomers to make polymers that find use in forming protective coatings for chemical resistance. Although benzodioxole is not particularly important, many related compounds containing the methylenedioxyphenyl group are bioactive, and thus are found in pesticides and pharmaceuticals.Quality Control of Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate

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

A Comparative Human Health Risk Assessment of p-Dichlorobenzene-Based Toilet Rimblock Products Versus Fragrance/Surfactant-Based Alternatives was written by Aronson, Dallas B.;Bosch, Stephen;Gray, D. Anthony;Howard, Philip H.;Guiney, Patrick D.. And the article was included in Journal of Toxicology and Environmental Health in 2007.Synthetic Route of C8H14O4 The following contents are mentioned in the article:

Consumer human health risks from using 1 of 2 types of toilet rimblock products, a p-dichlorobenzene-based rimblock or 2 newer fragrance/surfactant-based alternatives, were assessed. Rimblock products, designed for consumer use worldwide, function by releasing volatile compounds into indoor air with subsequent exposure presumed to be mainly via inhalation. Using the THERdbASE exposure model and exptl. determined emission data, indoor air concentrations and daily intake values were determined for both types of rimblock products. Modeled exposure concentrations from a representative p-dichlorobenzene rimblock product were 1 order of magnitude higher than those from the alternative rimblock products due to its nearly pure composition and high sublimation rate. Lifetime exposure to p-dichlorobenzene or the subset of fragrance components with available reference dose values was not expected to lead to non-cancer-based adverse health effects based on exposure concentrations estimated using the THERdbASE model. A similar comparison of cancer-based effects was not possible since insufficient data were available for the fragrance components. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Synthetic Route of C8H14O4).

Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1) belongs to dioxole derivatives. Dioxoles, particularly fluorinated dioxoles, are used as co-monomers to make polymers that find use in forming protective coatings for chemical resistance. Although benzodioxole is not particularly important, many related compounds containing the methylenedioxyphenyl group are bioactive, and thus are found in pesticides and pharmaceuticals.Synthetic Route of C8H14O4

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

CycloSal-phosphate Pronucleotides of Cytostatic 6-(Het)aryl-7-deazapurine Ribonucleosides: Synthesis, Cytostatic Activity, and Inhibition of Adenosine Kinases was written by Spacilova, Pavla;Naus, Petr;Pohl, Radek;Votruba, Ivan;Snasel, Jan;Zabranska, Helena;Pichova, Iva;Ameral, Ria;Birkus, Gabriel;Cihlar, Tomas;Hocek, Michal. And the article was included in ChemMedChem in 2010.Recommanded Product: 158078-04-7 The following contents are mentioned in the article:

A series of cycloSal-phosphate prodrugs of a recently described new class of nucleoside cytostatics (6-hetaryl-7-deazapurine ribonucleosides) was prepared The corresponding 2′,3′-isopropylidene 6-chloro-7-deazapurine nucleosides were converted into 5-O’-cycloSal-phosphates. These underwent a series of Stille or Suzuki cross-couplings with diverse (het)arylstannanes or -boronic acids to yield the protected 6-(het)aryl-7-deazapurine pronucleotides that were subsequently deprotected to give 12 derivatives of free pronucleotides. The in vitro cytostatic effect of the pronucleotides was compared with parent nucleoside analogs. In most cases, the activity of the pronucleotide was similar to or somewhat lower than that of the corresponding parent nucleosides, with the exception of 7-fluoro pronucleotides 13a, 13b, and 13d, which had exhibited GIC₅₀ values that were improved by one order of magnitude (to the low nanomolar range). The presence of a cycloSal-phosphate group also influenced selectivity toward various cell lines. Several pronucleotides were found which strongly inhibit human adenosine kinase but only weakly inhibit the MTB adenosine kinase. This study involved multiple reactions and reactants, such as ((3aR,4R,6R,6aR)-6-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol (cas: 158078-04-7Recommanded Product: 158078-04-7).

((3aR,4R,6R,6aR)-6-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol (cas: 158078-04-7) belongs to dioxole derivatives. Dioxoles, particularly fluorinated dioxoles, are used as co-monomers to make polymers that find use in forming protective coatings for chemical resistance. Although benzodioxole is not particularly important, many related compounds containing the methylenedioxyphenyl group are bioactive, and thus are found in pesticides and pharmaceuticals.Recommanded Product: 158078-04-7

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

Catalytic behavior of SBA-15 supported heteropoly compounds in synthesis of fructone was written by Zhang, Fu-min;Yuan, Chao-shu;Wang, Jun. And the article was included in Gaoxiao Huaxue Gongcheng Xuebao in 2006.Formula: C8H14O4 The following contents are mentioned in the article:

Catalysts of 12-tungstophosphoric acid (PW), cesium salt of PW and potassium salt of PW supported on mesoporous silica SBA-15 with different loadings were prepared by impregnation, resp. Their catalytic behaviors were investigated via the acetalization of Et acetoacetate with ethylene glycol to synthesize fructone. The phys. and chem. properties of the catalysts prepared were characterized by N₂ adsorption, Hammett indicator and FT-IR. The catalytic stability of the catalysts was evaluated by water treatment test, in which the concentration of the heteropoly compound leaking into the water was measured by UV-visual spectrophotometer. It is found that the catalysts have no activity in the synthesis of fructone when the loading of PW on SBA-15 is lower than 30% and the loading of Cs salt or K salt of PW on SBA-15 is lower than 20%. During repeatedly using, the deactivation of the catalysts prepared is closely associated with the leakage of active heteropoly species into the polar solvent. Since in the polar reaction system, the cesium salts of PW are water-tolerant, it causes the catalyst of supported cesium salts of PW on SBA-15 has higher catalytic stability. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Formula: C8H14O4).

Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1) belongs to dioxole derivatives. Dioxoles, particularly fluorinated dioxoles, are used as co-monomers to make polymers that find use in forming protective coatings for chemical resistance. Although benzodioxole is not particularly important, many related compounds containing the methylenedioxyphenyl group are bioactive, and thus are found in pesticides and pharmaceuticals.Formula: C8H14O4

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

Total synthesis and anti-inflammatory evaluation of violacin A and its analogues was written by Liu, Qingyin;Mu, Yu;An, Qi;Xun, Jiali;Ma, Jian;Wu, Wenxi;Xu, Minjuan;Xu, Jun;Han, Li;Huang, Xueshi. And the article was included in Bioorganic Chemistry in 2020.Application In Synthesis of Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate The following contents are mentioned in the article:

A concise total synthesis of an exceedingly potent anti-inflammatory agent violacin A (I) as well as the preparation of thirty analogs of this lead from com. available orcinol are described. Highlights of our synthetic efforts involve Friedel-Crafts acylation, the regioselective etherification and esterification of phenolic hydroxyl groups, and Baker-Venkataraman rearrangement to form basic skeleton of violacin A. The deprotection reaction with Pd-catalytic was involved to avoid the elimination of the hemiacetal hydroxyl at C2. In addition, all synthetic compounds were screened for anti-inflammatory activity against nitric oxide (NO) production using lipopolysaccharide (LPS)-induced Raw264.7 cells. A range of violacin A derivatives II – V [R = Me, (un)substituted benzyl] exhibited stronger anti-inflammatory effect than that of violacin A. Notably, halogeno-benzyloxy substituent at C-7 were favorable for anti-inflammatory activities of violacin A derivatives Addnl., Western blot results indicated halogeno-benzyloxy derivatives inhibited pro-inflammatory cytokines releases correlated with the suppression of NF-κB signaling pathway. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Application In Synthesis of Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate).

Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1) belongs to dioxole derivatives. Dioxoles, particularly fluorinated dioxoles, are used as co-monomers to make polymers that find use in forming protective coatings for chemical resistance. 1,3-Benzodioxole can be synthesized from catechol with disubstituted halomethanes.Application In Synthesis of Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate

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

Amidation Reactions from the Direct Coupling of Metal Carboxylate Salts with Amines was written by Goodreid, Jordan D.;Duspara, Petar A.;Bosch, Caroline;Batey, Robert A.. And the article was included in Journal of Organic Chemistry in 2014.Related Products of 6413-10-1 The following contents are mentioned in the article:

A general method for the synthesis of amides involving the direct coupling of alkali metal carboxylate salts with amines is described. Amidation of a wide variety of carboxylate salts with either free amines or their ammonium hydrochloride salts can be achieved using HBTU as a coupling agent in combination with Huenig’s base. The reaction is highly efficient and is generally complete in as little as 1-2 h, giving the products in good to excellent yields. The protocol is valuable for the coupling of carboxylates for which the corresponding carboxylic acids or acyl chlorides are unstable, less conveniently manipulated/isolated, or are not com. available. For example, the coupling of amines and α-amino acids with lithium 5-bromo-1H-pyrrole-2-carboxylate, whose corresponding acid that is prone to decarboxylation, allowed for the synthesis of 5-bromo-1H-pyrrole-2-carboxamides, which are analogs of the pyrrole-2-aminoimidazole marine alkaloids. The protocol can be combined with other reactions in a sequenced fashion, as exemplified by the synthesis of acetylenic amides, in a one-pot procedure, via the coupling of a lithium carboxylate salt formed initially by the addition of carbon dioxide to a lithiated terminal alkyne. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Related Products of 6413-10-1).

Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1) belongs to dioxole derivatives. Dioxoles, particularly fluorinated dioxoles, are used as co-monomers to make polymers that find use in forming protective coatings for chemical resistance. Dioxole functionalized metal-organic frameworks have also been recently reported.Related Products of 6413-10-1

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

Catalytic synthesis of acetals and ketals with iodine was written by Yang, Shuijin;Tong, Wenlong. And the article was included in Xiangliao Xiangjing Huazhuangpin in 2006.Synthetic Route of C8H14O4 The following contents are mentioned in the article:

Catalytic activities of Iodine in synthesizing 2-methyl-2-ethoxycarbonylmethyl-1,3-dioxolane, 2,4-dimethyl-2-ethoxycarbonylmethyl-1,3-dioxolane, cyclohexanone ethylene ketal, cyclohexanone 1,2-propanediol ketal, butanone ethylene ketal, butanone 1,2-propanediol ketal, 2-phenyl-1,3-dioxolane, 4-methyl-2-phenyl-1,3-dioxolane, 2-propyl-1,3-dioxolane, 4-methyl-2-propyl-1,3-dioxolane were reported. It was demonstrated that Iodine was an excellent catalyst. Various factors concerned in these reactions were investigated. The optimum conditions were found, that was, the molar ratio of aldehyde/ketone to glycol was 1/1.3, the mass ratio of the catalyst used to the reactant s was 0.4%, and the reaction time was 40-60 min. Under these conditions, the yield of 2-methyl-2-ethoxycarbonylmethyl-1,3-dioxolane was 63.8%, and 2,4-dimethyl-2-ethoxycarbonylmethyl-1,3-dioxolane was 70.7%, the yield of cyclohexanone ethylene ketal was 85.9%, and cyclohexanone 1,2-propanediol ketal was 88.8%, the yield of butanone ethylene ketal was 45.2%, and butanone 1,2-propanediol ketal was 86.9%, the yield of 2-phenyl-1,3-dioxolane was 80.3%, and 4-methyl-2-phenyl-1,3-dioxolane was 86.3%, the yield of 2-propyl-1,3-dioxolane was 83.6%, and 4-methyl-2-propyl-1,3-dioxolane was 91.2%. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Synthetic Route of C8H14O4).

Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1) belongs to dioxole derivatives. Dioxoles, particularly fluorinated dioxoles, are used as co-monomers to make polymers that find use in forming protective coatings for chemical resistance. 1,3-Benzodioxole can be synthesized from catechol with disubstituted halomethanes.Synthetic Route of C8H14O4

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