Day: November 22, 2022

Synthesis of fructone and acylal using hexagonally ordered mesoporous aluminosilicate catalyst was written by Vinu, Ajayan;Justus, Josena;Balasubramanian, Veerappan Vaithilingam;Halligudi, Shivappa Basappa;Ariga, Katsuhiko;Mori, Toshiyuki. And the article was included in Collection of Czechoslovak Chemical Communications in 2008.Recommanded Product: Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate The following contents are mentioned in the article:

Hexagonally ordered mesoporous AlSBA-15 with different n_Si/n_Al ratios have been hydrothermally synthesized using the non-ionic copolymer Pluronic P123 surfactant as the structure directing agent and characterized by XRD, N₂ adsorption-desorption, and ammonia-temperature programmed desorption (pyridine-TPD). Acetal and acylal formation reactions of organic carbonyl compounds were efficiently catalyzed by AlSBA-15 under liquid-phase reaction conditions and the results were compared with the MFI, BEA and AlMCM-41(23). Of the catalysts studied, AlSBA-15(45) showed the highest activity in both the acetalization and acylal reactions of the carbonyl compounds under the optimized reaction conditions, and could be recycled several times without loss in activity. AlSBA-15(45) catalyst is highly stable, efficient, chemoselective, and environmental friendly, which could open the possibility for environment benign approach for the synthesis of acetals, acylals and its derivatives under mild reaction conditions. 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. 1,3-Benzodioxole can be synthesized from catechol with disubstituted halomethanes.Recommanded Product: Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate

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

Catalytic site remodelling of the DOT1L methyltransferase by selective inhibitors was written by Yu, Wenyu;Chory, Emma J.;Wernimont, Amy K.;Tempel, Wolfram;Scopton, Alex;Federation, Alexander;Marineau, Jason J.;Qi, Jun;Barsyte-Lovejoy, Dalia;Yi, Joanna;Marcellus, Richard;Iacob, Roxana E.;Engen, John R.;Griffin, Carly;Aman, Ahmed;Wienholds, Erno;Li, Fengling;Pineda, Javier;Estiu, Guillermina;Shatseva, Tatiana;Hajian, Taraneh;Al-awar, Rima;Dick, John E.;Vedadi, Masoud;Brown, Peter J.;Arrowsmith, Cheryl H.;Bradner, James E.;Schapira, Matthieu. And the article was included in Nature Communications in 2012.SDS of cas: 158078-04-7 The following contents are mentioned in the article:

Selective inhibition of protein methyltransferases is a promising new approach to drug discovery. An attractive strategy towards this goal is the development of compounds that selectively inhibit binding of the cofactor, S-adenosylmethionine, within specific protein methyltransferases. Here we report the three-dimensional structure of the protein methyltransferase DOT1L bound to EPZ004777, the first S-adenosylmethionine-competitive inhibitor of a protein methyltransferase with in vivo efficacy. This structure and those of four new analogs reveal remodelling of the catalytic site. EPZ004777 and a brominated analog, SGC0946, inhibit DOT1L in vitro and selectively kill mixed lineage leukemia cells, in which DOT1L is aberrantly localized via interaction with an oncogenic MLL fusion protein. These data provide important new insight into mechanisms of cell-active S-adenosylmethionine-competitive protein methyltransferase inhibitors, and establish a foundation for the further development of drug-like inhibitors of DOT1L for cancer therapy. 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: 158078-04-7SDS of cas: 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. Dioxole functionalized metal-organic frameworks have also been recently reported.SDS of cas: 158078-04-7

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

Facile Conversion of Cyclopropanols into Linear Conjugate Enones was written by Han, Wei-Bo;Li, Shao-Gang;Lu, Xiao-Wei;Wu, Yikang. And the article was included in European Journal of Organic Chemistry in 2014.Application of 6413-10-1 The following contents are mentioned in the article:

A practical method for the conversion of 1,2-disubstituted cyclopropanol derivatives obtained by a a Kulinkovich cyclopropanation into linear enones was developed. The approach features regioselective cleavage of the cyclopropane rings in EtOH at ambient temperature with inexpensive and readily available bis(acetylacetonate)cobalt [Co(acac)₂] as a catalyst and air as a reagent. The crude intermediate peroxides were directly reduced with Ph₃P to afford the corresponding β-hydroxy ketones, which, on mesylation and β-elimination performed in a one-pot manner, furnished the end products in good to excellent yields after only one chromatog. step at the end of the whole sequence. The synthesis of the target compounds was achieved using (1R,2R)-rel-2-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-1-(methyl)cyclopropanol and related compounds as key reactants. The title compounds thus formed included (3E)-6-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-hexen-2-one (alkenone derivative). This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Application 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.Application of 6413-10-1

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

Characteristics of membrane-volatilizing craft and its perfume formula was written by Chen, Linlin. And the article was included in Xiangliao Xiangjing Huazhuangpin in 2007.Recommanded Product: 6413-10-1 The following contents are mentioned in the article:

The main components of a sample apple fragrance based on membrane-volatilizing craft were analyzed by gas chromatog.-mass spectrometry (GC-MS) methods and compared with that of based on evaporating fiber wick craft, a kind of liquid air fresheners. The volatilization experiment showed that the former craft could keep the perfume volatilization in a more stable and line-type state than the later one. The differences of their craft mainly results from the differences of their fragrance formula. As far as the membrane-volatilizing perfume formula was considered, the components with better membrane-volatilizing characteristics reached to 48.59%, and the rest composed of those with common membrane-volatilizing characteristics (40.95%) and stabilization agent (10%). But there was only 6.31% of the components belonged to good membrane-volatilizing characteristics for evaporating fiber wick craft. So, to develop a fragrance production based on the membrane-volatilizing craft, it was the key to select some components with better membrane volatility. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Recommanded Product: 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.Recommanded Product: 6413-10-1

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

Ammonium salts catalyzed acetalization reactions in green ethereal solvents was written by Azzena, Ugo;Carraro, Massimo;Corrias, Martina;Crisafulli, Rosella;De Luca, Lidia;Gaspa, Silvia;Nuvoli, Luca;Pintus, Salvatore;Pisano, Luisa;Polese, Riccardo;Sanna, Michela;Satta, Giuseppe;Senes, Nina;Urtis, Luigi;Garroni, Sebastiano. And the article was included in Catalysts in 2020.Name: Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate The following contents are mentioned in the article:

Cyclopentyl Me ether and 2-methyltetrahydrofuran, low impact ethereal solvents forming a pos. azeotrope with water, were successfully employed as solvents in the synthesis of a variety of acetals carried out under Dean-Stark conditions in the presence of heterogeneous acidic catalysts. Under these conditions, ammonium salts, either as such or supported on SiO₂, performed better or equally well than widely employed homogeneous and heterogeneous acidic catalysts such as p-toluenesulfonic acid, Amberlyst 15, or Montmorillonite K10. Several examples highlight the advantage of tuning the relative acidities of ammonium salts by appropriately selecting the counterion. Within one of these examples, our protocol clearly outweighs the classic p-toluenesulfonic acid/toluene protocol in terms of chemoselectivity. Silica-supported catalysts were characterized by SEM, TEM, and FTIR spectroscopies, as well as by N₂ physisorption. Such a characterization reveals an even distribution of ammonium salts on silica, thus confirming the formation of expected catalytic supports. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Name: 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.Name: Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate

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

Catalytic synthesis of acetals and ketals over H₃PW₆Mo₆O₄₀/MCM-41 was written by Yang, Shuijin;Yin, Guojun. And the article was included in Huaxue Fanying Gongcheng Yu Gongyi in 2007.Reference of 6413-10-1 The following contents are mentioned in the article:

A new environmental friendly catalyst H₃PW₆Mo₆O₄₀/MCM-41 was prepared Different acetals and ketals (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 synthesized with different ketone or aldehyde and dihydric alcs. over H₃PW₆Mo₆O₄₀/MCM-41 catalyst. Effects of the molar ratio of ketone or aldehyde to dihydric alcs., H₃PW₆Mo₆O₄₀/MCM-41 catalyst dosage and reaction time on the yield of acetals and ketals were discussed. The results showed that the appropriate conditions were the molar ratio of ketone or aldehyde to dihydric alcs. 1:1.5, the mass ratio of the catalyst to the reactant 0.2% and reaction time 45 min. Under the conditions, the yield of acetals and ketals was 46.8%-88.5%. 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. Although benzodioxole is not particularly important, many related compounds containing the methylenedioxyphenyl group are bioactive, and thus are found in pesticides and pharmaceuticals.Reference of 6413-10-1

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

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