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Catalytic synthesis of cyclohexanone 1,2-propanediol ketal with H4SiW12O40/PAnYANG Shuijin YU Xieqing and SUN Jutang Department of Chemistry and Environmental Engineering, Hubei Normal University, Huangshi 435002, ChinaCollege of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Chin......
Kinetics and Mechanism of Iridium(Ⅲ) Catalyzed Oxidation of 1,2-Propanediol by Cerium(Ⅳ) in Sulfuric Acid Media翟永清,刘红梅,杨国忠,宋文玉,白维嵩,肖佳摘 要:The kinetics and mechanism of trace iridium(Ⅲ) catalyzed oxidation of 1,2-propanediol (PRD) by cerium(Ⅳ) in aqueous sul......
Catalytic synthesis of acetals and ketals with H3PW12O40/PAnPhilippe G.Merleb摘 要:A new environmental friendly catalyst H3PW12O40/PAn was prepared and identified by means of FT-IR,XRD,and TG/DTA.The optimum conditions have been found;that is,the mass ratio ......
as precursor, 1, 2-propanediol as solvent and reductant, with different surfactants as modifiers. These modifiers are polyoxyethylene sorbitan monooil 80 (Tween-80), polyethylene glycol 6000 (PEG-6000......
J. Cent. South Univ. Technol. (2008) 15(s1): 088-092 DOI: 10.1007/s11771-008-321-3 Rheological characteristics of drug-loaded microemulsions and their printability in three dimensional printing systems YU Deng-guang(余灯广)1, YAN Wei-xia(闫伟霞)1, ZHU Si-jun(朱思君)1, LI Xue-lian(李雪莲)1, Branford-white......
a heterocyclic nitrogen compound to be used as an extractant for niobium ions. A suspension of 1,3 cyclohexane dione (10 mmol) was heated under reflux with (11 mmol) dimethylformamide dimethyl acetal(DMF DMA......
定出4个共有组分分别为3,7-dimethyl-6-Octen-1-ol;9,12-Octadecadienoic acid ethyl ester;Z,Z-8,10-Hexadecadien-1-ol和9,12,15- Octadecatrienal dimethyl acetal,其相似度分别为93.064%,97.954%,95.55%和96.43%.解析后得到峰簇A1和A2的色谱图(见图6......
D, CASTILLO M S, DUMESIC J A. Conversion of biomass to 1, 2-propanediol by selective catalytic hydrogenation of lactic acid over silica-supported copper [J]. Applied Catalysis B, 2002, 39: 353-359......
for such purpose. It consists of D-glucose, D-mannose, D-glucuronic acid acetal linked pyruvic acid and O-acetyl; later, the currently accepted structure is identified. The acetate and pyruvate contents......
behaviour of acetal and nylon gears[J]. Wear, 2009, 267(1/2/3/4): 639-645. [13] Dhanasekaran S, Gnanamoorthy R. Gear tooth wear in sintered spur gears under dry running conditions[J]. Wear, 2008, 265(1/2......