Organic-inorganic hybrid polyoxometalates: Efficient, heterogeneous and reusable catalysts for solvent-free synthesis of azlactones

被引：42

作者：

Rostami, Mahbubeh ^{[1
]}

Khosropour, Ahmadreza ^{[1
]}

Mirkhani, Valiollah ^{[1
]}

Moghadam, Majid ^{[1
]}

Tangestaninejad, Shahram ^{[1
]}

Mohammadpoor-Baltork, Iraj ^{[1
]}

机构：

[1] Univ Isfahan, Catalysis Div, Dept Chem, Esfahan 8174673441, Iran

来源：

APPLIED CATALYSIS A-GENERAL | 2011年 / 397卷 / 1-2期

关键词：

Hybrid polyoxometalate; Heterogeneous catalysts; Azlactone; Solvent-free; IONIC LIQUID; 12-PHOSPHOTUNGSTIC ACID; 4-ARYLIDENE-2-PHENYL-5(4H)-OXAZOLONES; ACETATE; ANION; SALT;

D O I：

10.1016/j.apcata.2011.02.004

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Two organic-inorganic hybrid polyoxometalates, consist of 1-butyl-3-methylimidazolium salts of (W10O32)(4-) and (RW12O40)(3-) polyanions were prepared and characterized by thermal analysis, X-ray diffraction, FT-IR, diffuse reflectance UV-Vis spectroscopic methods and nitrogen absorption-desorption determination (BET). These heterogeneous catalysts were used for synthesis of azlactones by the reaction of aldehydes with hippuric acid and acetic anhydride under solvent-free conditions. These catalysts were reused several times without loss of their activities. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：27 / 34

页数：8

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