Dioxole related

Catalytic synthesis of 2-methyl-2-ethoxycarbonylmethyl-1,3-dioxolane with H₄SiW₆Mo₆O₄₀/SiO₂ was written by Wu, Mei;Ye, Ming-yan;Duan, Yun-li;Yu, Li;Lu, Bao-lan;Yang, Shui-jin. And the article was included in Jingxi Yu Zhuanyong Huaxuepin in 2012.Synthetic Route of C8H14O4 The following contents are mentioned in the article:

A novel catalyst, H₄SiW₆Mo₆O₄₀/SiO₂ was synthesized by a sol-gel technique, and characterized by FTIR and XRD. 2-Methyl-2-ethoxycarbonylemethyl-1, 3-dioxolane was synthesized from Et acetoacetate and ethylene glycol in the presence of H₄SiW₆Mo₆O₄₀/SiO₂ as catalyst. The factors influencing the synthesis were discussed and the best reaction conditions were found out. Exptl. results showed that H₄SiW₆Mo₆O₄₀/SiO₂ is an excellent catalyst. Under the exptl. conditions as follows: molar ratio of Et acetoacetate to ethylene glycol is 1:1.5, the mass ratio of the catalyst is 1.0% of all the reactants, volume of cyclohexane is 8 mL, and the reaction time is 60 min, the yield of 2-methyl-2-ethoxycarbonylmethyl-1, 3-dioxolane can reach 72.8%. 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

Catalytic synthesis of acetals and ketals with I₂/PAn was written by Yang, Shuijin;Tong, Wenlong;Yin, Guojun. And the article was included in Beijing Keji Daxue Xuebao in 2006.COA of Formula: C8H14O4 The following contents are mentioned in the article:

A new environmental friendly catalyst, I₂/Pan, was prepared The catalytic activities of I₂/PAn 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, and 4-methyl-2-propyl-1, 3-dioxolane were reported. It is demonstrated that I₂/PAn is an excellent catalyst. Various factors concerned in these reactions were investigated. An optimum condition was found, i.e., the molar ratio of aldehyde/ketone to glycol is 1/1.6, the mass ratio of the catalyst used to the reactants is 0.2%, and the reaction time is 1.0 h. Under the optimum condition, the yields of these 10 kinds of acetals/ketals are 47.3∼94.2%. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1COA of Formula: 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.COA of Formula: C8H14O4

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

Preparation of heterogeneous mesoporous silica-supported 12-tungstophosphoric acid catalyst and its catalytic performance was written by Guo, Hong-qi;Mao, Ming-fu;Ni, Zhong-bin;Chen, Ming-qing;Liu, Shi-rong. And the article was included in Fenzi Cuihua in 2011.Synthetic Route of C8H14O4 The following contents are mentioned in the article:

12-Tungstophosphoric acid was supported on SBA-15 and amine-modified SBA-15 by impregnation. The structure and properties of the catalyst were characterized by FT-IR spectroscopy, X-ray diffraction, N₂ adsorption-desorption, TEM, Raman spectra and NH₃-TPD technol. The result confirmed the mesostructure for SBA-15 and the Keggin structure of the heteropolyanions was preserved. However, aggregation occurred in the high loading, and because of the pore blockage, the BET surface area, pore volume and pore diameter decreased obviously. The tungstophosphoric acid can disperse in the pore of the support SBA-15/NH₂, but the acidity of the catalyst reduced. The catalytic activities of the catalysts were evaluated for the esterification reaction of Et acetoacetate and ethylene glycol and the catalysts supported on amine-modified SBA-15 show excellent reusability and selectivity. 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

Preparation of SO^2-₄/TiO₂-La₂O₃ solid superacid and its catalytic activities in acetalation and ketalation was written by Yang, Shui-jin;Bai, Ai-min;Sun, Ju-tang. And the article was included in Journal of Zhejiang University, Science, B in 2006.SDS of cas: 6413-10-1 The following contents are mentioned in the article:

SO^2-₄/TiO₂-La₂O₃, a novel solid superacid, was prepared and its catalytic activities at different synthetic conditions are discussed with esterification of n-butanoic acid and Bu alc. as probing reaction. The optimum conditions have also been found, mole ratio of n(La³⁺):n(Ti⁴⁺) is 1:34, the soaked consistency of H₂SO₄ is 0.8 mol/L, the soaked time of H₂SO₄ is 24 h, the calcining temperature is 480 °C, the calcining time is 3 h. Then it was applied in the catalytic synthesis often important ketals and acetals as catalyst and revealed high catalytic activity. Under these conditions on which the molar ratio of aldehyde/ketone to glycol is 1:1.5, the mass ratio of the catalyst used in the reactants is 0.5%, and the reaction time is 1.0 h, the yields of ketals and acetals can reach 41.4%∼95.8%. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1SDS of cas: 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.SDS of cas: 6413-10-1

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

Method for Predicting Odor Intensity of Perfumery Raw Materials Using Dose-Response Curve Database was written by Wakayama, Hideki;Sakasai, Mitsuyoshi;Yoshikawa, Keiichi;Inoue, Michiaki. And the article was included in Industrial & Engineering Chemistry Research in 2019.Electric Literature of C8H14O4 The following contents are mentioned in the article:

The main purpose of this study is to facilitate fragrance development on the basis of scientific knowledge. To this end, data on 314 perfumery raw materials (PRMs) showing the relationship between PRM odor intensity and gas concentration were obtained, and a calculation model for the data was then developed with the following features: (1) maximum PRM coverage, (2) calculating values implying odor intensity from only arbitrary gas concentration, and (3) estimating odor intensity from the calculated values directly and easily. To verify the prediction accuracy of this model, the predicted odor intensity was compared with the evaluated value for both single component and a mixture, and the same degree of root mean square error (RMSE) was confirmed. RMSE in the single component was 6.22 while that in the mixture was 6.69. Thus, the odor intensity of a PRM or mixture can be predicted from arbitrary gas concentrations This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Electric Literature 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.Electric Literature of C8H14O4

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

Synthesis of fructone over phosphotungstic acid – silica catalysts prepared by sol – gel method was written by Zhang, Fumin;Zhong, Yijun;Zhu, Weidong;Wang, Jun. And the article was included in Shiyou Huagong in 2007.Quality Control of Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate The following contents are mentioned in the article:

A series of phosphotungstic acid-silica gel catalysts (PW/SG) were prepared by sol – gel method. The catalytic performances of the catalysts were investigated in synthesis of fructone y liquid phase acetalization of Et acetoacetate (I) with ethylene glycol (EG) in a batch reactor. 40% PW/SG catalyst exhibits the best catalytic performance among these catalysts. The optimal reaction conditions are as follows: molar ratio I/EG 1: 1.2, catalyst mass fraction in reactants 0.36%, volume fraction of cyclohexane as water removal agent in reaction medium 30%, reaction temperature 383 K and reaction time 90 min. In this case, conversion of I can reach 95.5% and selectivity to fructone is ≥97%. Catalyst stability experiment show that the high catalytic activity of 40% PW/SG can be maintained and high conversion of 95.0% can be kept even after reusing the catalyst for 5 times. 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. 1,3-Benzodioxole can be synthesized from catechol with disubstituted halomethanes.Quality Control of Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate

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

Phosphoramidate pronucleotides of cytostatic 6-aryl-7-deazapurine ribonucleosides was written by Perlikova, Pavla;Pohl, Radek;Votruba, Ivan;Shih, Robert;Birkus, Gabriel;Cihlar, Tomas;Hocek, Michal. And the article was included in Bioorganic & Medicinal Chemistry in 2011.HPLC of Formula: 158078-04-7 The following contents are mentioned in the article:

A series of O-Ph methyl-, ethyl- and benzylalanyl phosphoramidate pronucleotides, e.g. I, derived from cytostatic 6-aryl-7-deazapurine ribonucleosides were prepared by the cross-coupling reactions of the 2′,3′-isopropylidene protected 6-chloro-7-deazapurine ribonucleoside phosphoramidates with (het)arylboronic acids or -stannanes followed by deprotection. Most of the prepared prodrugs exerted in vitro cytostatic effects against both solid tumor and lymphoid cancer cells within low micromolar range of concentrations These activities were in general weaker or comparable to the activities of the parent nucleosides. Addnl. testing of selected prodrugs suggests that the lack of activity improvement over parent nucleosides is not due to the lack of permeability or inefficient catabolism of alanyl-ester by intracellular hydrolases. More likely, active efflux of prodrugs may play a role in their weak cytotoxic activity. 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: 158078-04-7HPLC of Formula: 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.HPLC of Formula: 158078-04-7

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

Potent DNA-directed alkylating agents: Synthesis and biological activity of phenyl N-mustard-quinoline conjugates having a urea or hydrazinecarboxamide linker was written by Kakadiya, Rajesh;Dong, Huajin;Kumar, Amit;Narsinh, Dodia;Zhang, Xiuguo;Chou, Ting-Chao;Lee, Te-Chang;Shah, Anamik;Su, Tsann-Long. And the article was included in Bioorganic & Medicinal Chemistry in 2010.Safety of 8-Chloro-6-methyl-[1,3]dioxolo[4,5-g]quinoline The following contents are mentioned in the article:

A series of N-mustard-quinoline conjugates bearing a urea or hydrazinecarboxamide linker was synthesized for antitumor evaluation. The in vitro cytotoxicity studies revealed that compounds with hydrazinecarboxamide linkers were generally more cytotoxic than the corresponding urea counterparts in inhibiting human lymphoblastic leukemia and various solid tumor cell growths in culture. The therapeutic efficacy against human tumor xenografts in animal model was studied. It was shown that complete tumor remission in nude mice bearing human breast carcinoma MX-1 xenograft by 17a, i and 18c, d was achieved. In the present study, it was revealed that both linkers are able to lower the chem. reactive N-mustard pharmacophore and thus the newly synthesized conjugates possess a long half-life in rat plasma. Moreover, the new N-mustard derivatives are able to induce DNA crosslinking either by modified comet assay or by alk. agarose gel shift assay. This study involved multiple reactions and reactants, such as 8-Chloro-6-methyl-[1,3]dioxolo[4,5-g]quinoline (cas: 50593-65-2Safety of 8-Chloro-6-methyl-[1,3]dioxolo[4,5-g]quinoline).

8-Chloro-6-methyl-[1,3]dioxolo[4,5-g]quinoline (cas: 50593-65-2) 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.Safety of 8-Chloro-6-methyl-[1,3]dioxolo[4,5-g]quinoline

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

Facile synthesis of fructone from ethyl acetoacetate and ethylene glycol catalyzed by SO₃H-functionalized Bronsted acidic ionic liquids was written by Liu, Yong;Wang, Yi-Tao;Liu, Tao;Tao, Duan-Jian. And the article was included in RSC Advances in 2014.Electric Literature of C8H14O4 The following contents are mentioned in the article:

SO₃H-functionalized Bronsted acidic ionic liquids (BAILs) were synthesized and utilized as highly efficient catalysts for the production of fructone via the acetalization reaction of Et acetoacetate with ethylene glycol. In comparison with conventional H₂SO₄ and cation exchange resins, the BAILs such as triethyl(4-sulfobutyl)ammonium hydrogen sulfate ([BSEt₃N][HSO₄]) of strong acidity exhibited excellent catalytic activity. The effects of various parameters such as different BAILs, reaction temperature, catalyst dosage, and molar ratio of the reactants on the conversion of Et acetoacetate were investigated in detail. The exptl. results indicated that the catalytic performance of BAILs were closely related to their Hammett acidities. Moreover, it was found that [BSEt₃N][HSO₄] could be also recovered easily and used repetitively six times without obvious decline in activity and quantity. This study involved multiple reactions and reactants, such as Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate (cas: 6413-10-1Electric Literature 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. Dioxole functionalized metal-organic frameworks have also been recently reported.Electric Literature of C8H14O4

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

Acetalization of ethyl acetoacetate with glycol over silica gel supported phosphotungstic acid catalyst was written by Yu, Qingyue;Zhou, Zhiwei;Wu, Wenliang;Yun, Zhi. And the article was included in Huaxue Fanying Gongcheng Yu Gongyi in 2009.Application In Synthesis of Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate The following contents are mentioned in the article:

A series catalysts of phosphotungstic acid (PW) supported on silica gel were prepared by sol-gel method and characterized by means of X-ray diffraction (XRD), low temperature adsorption and desorption of N₂, and temperature-programmed desorption of ammonia (NH₃-TPD). The catalytic performance was determined by acetalization of Et acetoacetate with glycol. The results showed that when the loading mass fraction of PW was 40%, PW was highly dispersed on silica gel, the pores were regular, the surface area was 187 m²/g and the acid amount was high, and the conversion of Et acetoacetate and the selectivity of fructone were 96.8% and 98.5%, resp., under the conditions of the molar ratio of Et acetoacetate to glycol 1:1.3, reaction temperature 353 K and reaction time 30 min. The stability tests showed that the conversion of Et acetoacetate and the selectivity of fructone were 93.1% and 98.0%, resp., after the catalyst was used 15 times. 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. Although benzodioxole is not particularly important, many related compounds containing the methylenedioxyphenyl group are bioactive, and thus are found in pesticides and pharmaceuticals.Application In Synthesis of Ethyl 2-(2-methyl-1,3-dioxolan-2-yl)acetate

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