PbO as an efficient and reusable catalyst for one-pot synthesis of tetrahydro benzo pyrans and benzylidene malonitriles

被引：37

作者：

Borhade, Ashok V. ^{[1
]}

Uphade, Bhagwat K. ^{[2
]}

Tope, Dipak R. ^{[1
]}

机构：

[1] HPT Arts & RYK Sci Coll, Res Ctr, Dept Chem, Nasik 422005, India

[2] PVP Coll, Res Ctr, Dept Chem, Pravaranagar 413713, Loni Kd, India

来源：

JOURNAL OF CHEMICAL SCIENCES | 2013年 / 125卷 / 03期

关键词：

PbO nanoparticles; tetrahydrobenzo pyrans; benzylidene malonitriles; grinding; solvent-free; KNOEVENAGEL CONDENSATION; TETRABUTYLAMMONIUM BROMIDE; STRAIGHTFORWARD METHOD; AROMATIC-ALDEHYDES; VERSATILE CATALYST; DERIVATIVES; GREEN; SILICA; ACID; LIQUID;

D O I：

10.1007/s12039-013-0396-8

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

PbO nanoparticles have been employed as an efficient catalyst for the solvent-free synthesis of tetrahydrobenzo pyrans (yields 81-91%) and benzylidene malonitriles (yields 90-96%) at room temperature using green chemistry approach. PbO nanoparticles were found to be highly efficient, eco-friendly and recyclable heterogeneous catalyst. PbO nanoparticles were prepared by hydrothermal method and characterized by IR, XRD, BET Surface area, SEM, EDAX and TEM with SAED techniques.

引用

页码：583 / 589

页数：7

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