74485-37-3Relevant academic research and scientific papers
Miscible Polyether/Poly(ether-acetal) Electrolyte Blends
Gao, Kevin W.,Loo, Whitney S.,Snyder, Rachel L.,Abel, Brooks A.,Choo, Youngwoo,Lee, Andrew,Teixeira, Susana C. M.,Garetz, Bruce A.,Coates, Geoffrey W.,Balsara, Nitash P.
, p. 5728 - 5739 (2020/07/30)
This study shows that it is possible to obtain homogeneous mixtures of two chemically distinct polymers with a lithium salt for electrolytic applications. This approach is motivated by the success of using mixtures of organic solvents in modern lithium-io
A method for preparing 1, 3 - oxa naphthenic (by machine translation)
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Paragraph 0096-0099; 0102; 0106; 0110; 0114; 0118; 0123, (2019/05/16)
The invention discloses a 1, 3 - oxa naphthenic preparation method, the method comprises: diol, poly formaldehyde in water and ionic liquid catalyst in the presence of a cyclization reaction, containing the reaction product of the compound; wherein said diol is ethylene glycol or diethylene glycol; when the diol is ethylene glycol when, the target compound is 1, 3 - dioxolo; when the diol is diethylene glycol when, the target compound is 1, 3, 6 - heterocyclic octane; the ionic liquid catalyst comprises a cation and anion, the cation is selected from the isoquinoline kind of positive ion, quinoline kind of positive ion and benzimidazole in at least one of the kind of positive ion. The method of the invention the kind of positive ion cation is isoquinoline, quinoline kind of positive ion or benzimidazole kind of positive ion of the ionic liquid as catalyst to prepare 1, 3 - oxa naphthenic, mild reaction conditions, high product yield, catalyst is environment-friendly. (by machine translation)
Preparation method of cyclic acetal
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Paragraph 0028; 0029; 0030; 0031; 0032; 0033; 0035, (2017/08/29)
The invention discloses a preparation method of cyclic acetal. The method is characterized in that long-chain polyhydroxy compounds and small-molecular aldehydes are used as the substrates, long-chain weak-polarity molecules are used as the solvent, and the aldehydes are condensed with the hydroxyl groups at two ends of the polyhydroxy compounds under the effect of a catalyst to form the intramolecular cyclic acetal. Compared with a traditional acetal preparation method, the method has the advantages that the property differences of the solvent, reactants and the substrates are utilized to allow the aldehydes to be easy to react with the hydroxyl groups, and the cyclic acetal proportion in the product is high; the conversion rate of the aldehyde compounds reaches above 80%, and the selectivity of the cyclic acetal can reach above 80%.
Novel ring-expansion reaction between cyclic formal and ethylene oxide
Yamasaki, Naoaki,Nagahara, Hajime,Masamoto, Junzo
, p. 271 - 274 (2007/10/03)
Novel direct reactions between trioxane and ethylene oxide were discovered, and three novel cyclic formals were isolated and identified. These novel cyclic compounds clarified the initiation mechanism of the copolymerization of trioxane and ethylene oxide
NMR spectra of cyclic formals formed during the early stage of the copolymerization of trioxane and ethylene oxide
Yamasaki, Naoaki,Masamoto, Junzo,Kanaori, Kenji
, p. 1069 - 1074 (2007/10/03)
During the early stage of the copolymerization of trioxane and ethylene oxide, we found the formation of three novel cyclic compounds: 1,3,5,7-tetraoxacyclononane (TOCN), 1,3,5,7,10-pentaoxacyclododecane (POCD), and 1,3,5,7,10,13-hexaoxacyclopentadecane (
Formation of cyclic acetals in interaction of formaldehyde with 1,2-propylene glycol and diethylene glycol
Balashov,Danov,Chernov
, p. 917 - 920 (2007/10/03)
Formation and hydrolysis of 4-methyl-1,3-dioxolane and 1,3,6-trioxocane in aqueous-glycol solutions of formaldehyde in the presence of sulfuric acid as a catalyst were studied. The dependences of rate constants on temperature (in the temperature range 40-80°C), the concentration of the catalyst (0-0.5 mol/l), and the content of water (0.5-15 mol/l) were obtained. The introduction of the methyl substituent into position 4 of 1,3-dioxolane somewhat decreased the rate constants for the formation and hydrolysis reactions. A similar effect was observed for the eight-membered ring of 1,3,6-trioxocane in comparison with 1,3-dioxolane with a five-membered ring.
Compounds Related to Acyclovir. IX. Synthesis of 7-Hydroxy-2,5-Dioxaheptyl Derivatives of Nucleic Bases
Smirnov, I. P.,Tsilevich, T. L.,Kochetkova, S. V.,Gottikh, B. P.,Shchaveleva, I. L.,Florent'ev, V. L.
, p. 684 - 688 (2007/10/03)
7-Hydroxy-2,5-dioxaheptyl and racemic 7-hydroxy-1-methyl-2,5-dioxaheptyl derivatives of uracil, thymine, cytosine, adenine, guanine, and 1,2,4-triazole-3-carboxamide were synthesized using 7-acetyloxy-1-chlor-2,5-dioxaheptane and 8-acetyloxy-2-chlor-3,6-d
