PREPARATION, CHARACTERIZATION AND USE OF VANADATESULFURIC ACID AS A NEW AND ECO-BENIGN NANOCATALYST FOR THE SYNTHESIS OF 14-ARYL-14H-DIBENZO[a,j] XANTHENES UNDER SOLVENT-FREE CONDITIONS

被引：0

作者：

Nasr-Esfahani, Masoud ^{[1
]}

Abdizadeh, Tooba ^{[1
]}

机构：

[1] Univ Yasuj, Dept Chem, Yasuj, Iran

来源：

REVUE ROUMAINE DE CHIMIE | 2013年 / 58卷 / 01期

关键词：

nanorod vanadatesulfuric acid; 14-aryl-14H-dibenzo[a; j; xanthenes; solvent-free; ONE-POT SYNTHESIS; CHEMOSELECTIVE N-NITROSATION; SILICA SULFURIC ACID/NANO2; HETEROGENEOUS SYSTEM; REUSABLE CATALYST; EFFICIENT SYNTHESIS; ORGANIC-REACTIONS; SECONDARY-AMINES; MILD; CONDENSATION;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Vanadatesulfuric acid (VSA) is a recyclable and eco-benign catalyst for the preparation of biologically active 14-aryl-14-H-dibenzo [a,j]xanthenes by a one-pot condensation reaction of 2-naphthol and aldehydes under solvent-free conditions in high to excellent yields (80-93%) and in short reaction times (10-45 min). The nanocatalyst was characterized by FT-IR, XRD, XRF and TEM analysis. The present method offers several advantages such as simple procedure, short reaction time, high yields, simple workup, reusability of the catalyst and simple purification of the products.

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页码：27 / +

页数：10

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