Polyaniline/SiO2 Catalyzed One-pot Synthesis of Tetrahydrobenzo[b]pyran Derivatives

被引：0

作者：

Yelwande, Ajeet A. ^{[1
]}

Arbad, Balasaheb R. ^{[1
]}

Lande, Machhindra K. ^{[1
]}

机构：

[1] Dr Babasaheb Ambedkar Marathwada Univ, Dept Chem, Aurangabad 431004, Maharashtra, India

来源：

SOUTH AFRICAN JOURNAL OF CHEMISTRY-SUID-AFRIKAANSE TYDSKRIF VIR CHEMIE | 2010年 / 63卷

关键词：

Chemical oxidative method; Polyaniline/SiO2; tetrahydrobenzo[b]pyran; SOLID HETEROGENEOUS CATALYST; EFFICIENT; NANOCOMPOSITES; STABILITY; OXIDATION; ANILINE;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Polyaniline/SiO2 is an efficient catalyst for the synthesis of tetrahydrobenzo[b]pyran derivatives from a one-pot, three component, condensation of aldehydes, malononitrile and dimedone at room temperature. This protocol has several advantages such as high yield, a simple work up procedure, low toxicity and easy recovery and reusability of the catalytic material. The catalyst has been readily prepared and characterized by means of thermal analysis (TG-DTA), X-ray diffraction (XRD), scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR).

引用

页码：199 / 203

页数：5

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