Sn-Beta zeolite with strong Lewis acid site exhibits unique activity and selectivity in conversion of biomass derived platform compounds,and shows a bright prospect.Dry gel conversion method,hydrothermal synthesis method and isomorphous substitution method are the typical synthetic methods for Sn-Beta zeol...
Al-free Sn-beta zeolite cat select MPV ketone reductCorma, A
Rational PositioningofMetal IonstoStabilize Open Tin SitesinBeta Zeolite for Catalytic Conversion of Sugars Pengyao Sun, Dr. Chong Liu, Haiyong Wang, Yuhe Liao, Prof. Xuning Li, Prof. Qiying Liu, Prof. Bert F. Sels, Prof. Chenguang Wang 文章的第一作者是中国科学院广州能源研究所的19级博士...
Rational Positioning of Metal Ions to Stabilize Open Tin Sites in Beta Zeolite for Catalytic Conversion of Sugars Pengyao Sun, Dr. Chong Liu, Haiyong Wang, Yuhe Liao, Prof. Xuning Li, Prof. Qiying Liu, Prof. Bert F. Sels, Prof. Chenguang Wang 文章的第一作者是中国科学院广州能源研究所的...
Sn-Beta zeolite catalyzes this reaction with high yield. The effect of methanol as a reaction medium on glucose transformations catalyzed by Sn-Beta has not been quantified. Here, density functional calculations are employed to elaborate on the effect of methanol medium, specifically to determine ...
In the case of Sn-beta, in the IR spectrum a shift of 48 cm-1of the carbonyl signal towards lower wavenumbers occurred, indicating the formation of an adduct between the carbonyl oxygen and the Sn incorporated in the framework of the zeolite (Figure 1a). With Si-beta or Si-beta impregna...
Here we show that Sn-Beta zeolite in the presence of sodium tetraborate catalyses the selective epimerization of aldoses in aqueous media. Specifically, a 5 wt% aldose (for example, glucose, xylose or arabinose) solution with a 4:1 aldose:sodium tetraborate molar ratio reacted with catalytic ...
Advances in the synthesis of Sn-Beta zeolite%Sn-Beta沸石合成研究进展催化化学Sn-Beta沸石水热合成法同晶取代法干胶法含强L酸中心的Sn-Beta沸石在生物质平台化合物转化中表现出独特的活性和选择性,具有广阔的应用前景.Sn-Beta沸石主要合成方法有干胶法,水热法和同晶取代法.不同方法制备的Sn-Beta沸石Sn活性位...
Corma A, Renz M (2004) Sn-Beta zeolite as diastereoselective water-resistant heterogeneous Lewis-acid catalyst for carbon-carbon bond formation in the intramolecular carbonyl-ene reaction. Chem Commun 5:550-551Corma A., Renz, M., Sn-Beta zeolite as diastereoselective water-resistant heterogeneous ...
With an aluminum-free beta molecular sieve as the silicon source and tin (IV) chloride pentahydrate as the tin source, a microporous and mesoporous hierarchical Sn-Beta zeolite catalyst was prepared by two-step hydrothermal recrystallization under the action of a mesoporous template agent, cetyltrimet...