Polyvinylpolypyrrolidone-supported boron trifluoride (PVPP-BF3): Mild and efficient catalyst for the synthesis of 14-aryl-14H-dibenzo [a,j] xanthenes and bis(naphthalen-2-yl-sulfane) derivatives

被引：39

作者：

Mokhtary, Masoud ^{[1
]}

Refahati, Sepideh ^{[1
]}

机构：

[1] Islamic Azad Univ, Dept Chem, Rasht Branch, Rasht, Iran

来源：

DYES AND PIGMENTS | 2013年 / 99卷 / 02期

关键词：

Polyvinylpolypyrrolidone; Boron trifluoride; 14-Aryl-14H-dibenzo; a; j; xanthenes; 2-Naphthol; 2-Thionaphthol; Bis(naphthalen-2-yl-sulfane) derivatives; ONE-POT SYNTHESIS; HETEROGENEOUS CATALYST; IONIC LIQUID; ACID; MICROWAVE; HCLO4-SIO2; FACILE; DYES;

D O I：

10.1016/j.dyepig.2013.05.023

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A convenient and an efficient method for the synthesis of 14-aryl-14H-dibenzo [a,j] xanthenes and bis(naphthalen-2-yl-sulfane) derivatives is described. The reaction proceeded via condensation of aldehydes with 2-naphthol or 2-thionaphthol in the presence of polyvinylpolypyrrolidone-supported boron trifluoride. These reactions were studied under different conditions. In terms of reaction time and yield, it was found that optimum results were obtained for the synthesis of 14-aryl-14H-dibenzo [a,j] xanthenes under solvent free technique at 120 degrees C and for preparation of bis(naphthalen-2-yl-sulfane) derivatives in 1,2-dichloroethan under reflux conditions. Clean methodologies, easy workup procedure, high yield and simple preparation of the catalyst are some advantages of this work. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：378 / 381

页数：4

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