Synthesis, characterization and application of alumina/vanadium pentoxide nanocomposit by sol-gel method

被引：12
|
作者：
Hassani, Hassan [1 ]
Zakerinasab, Batol [1 ]
Poor, Hoda Hossien [1 ]
机构：
[1] Payam Noor Univ, Dept Chem, Birjand, Iran
来源：
APPLIED ORGANOMETALLIC CHEMISTRY | 2018年 / 32卷 / 01期
关键词：
Al2O3/V2O5; green chemistry; nanocatalyst; oxindole; TRIAZOLE OXINDOLE TROX-1; METAL-OXIDE CATALYSTS; METHANOL OXIDATION; SILICA; SITES;
D O I：
10.1002/aoc.3945
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
In this work, we report the preparation of Al2O3/V2O5 nanocomposit using vanadium and aluminum nitrate by sol-gel method. Characterization of nanocomposit was carried out by powder X-ray diffractometry (XRD), Fourier transform infrared (FT-IR), scanning electron microscopy (SEM), Energy-Dispersive X-ray (EDX) and UV spectroscopy. Then, applicability of the synthesized nanocomposit was tested as a nanocatalyst for the synthesis of diindolyl oxindole derivatives, an important class of potentially bioactive compounds. The products were obtained in good to high yields from one-pot three-component condensation of isatin with indole. Also, this nanocatalyst has been reused several times, without observable loss of activity.
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页数：7
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