Oxidation of benzyl alcohols to the corresponding aldehydes was achieved by an acid catalyzed DMSO oxidation. When the oxidation was catalyzed by HBr, no side products were detected. In most cases, the yields were excellent. The oxidation rate depends on both the nature and the position of the substituents on the aromatic rings. A tentative mechanism is proposed for the oxidation.
Lithium sulfur batteries have high theoretical specific capacity and good application prospects. In this paper, large surface area mesoporous chromium MIL-101 (Cr) metal organic framework has been prepared by hydrothermal method and composite with carbon nanotubes (CNTs) as the houst of sulfur. The composite electrode material of MIL-101@CNT/S shows the excellent electrochemical performance. Especially the MIL-101@5%CNT/S composite electrode material, when the current density at 0.1C, it has a high initial discharge capacity of 1236.7 mA h g-1 , and its specific capacity retention rate reaches 53.4% after 200 cycles. What's more, thanks to the addition of CNTs, the results have better high multiplier performance than MIL-101 (Cr)/S, and the capacity contributed by the second platform has been improved.
Aldehydes
Aldehydes Q 0320 A Novel and Efficient Oxidation of Benzyl Alcohols to Benzaldehydes with DMSOCatalyzed by Acids. -The titled oxidation of benzyl alcohols (I) and diphenylmethanol (V) to the corresponding carbonyl compounds (II) and (VI) proceeds without the addition of a weak base, as required in the Swern oxidation. -(LI*, C.; XU, Y.; LU, M.; ZHAO, Z.; LIU, L.; ZHAO, Z.; CUI, Y.; ZHENG, P.; JI, X.; GAO, G.; Synlett
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