Ali Gharib,Nader Noroozi Pesyan,Leila Vojdani Fard,Mina Roshani
Issue:
Volume 1, Issue 2, June 2015
Pages:
21-28
Received:
20 May 2015
Accepted:
29 May 2015
Published:
30 May 2015
DOI:
10.11648/j.ajhc.20150102.11
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Abstract: A new and efficient method for the synthesis of dicoumarol (3,3'-methylene-bis-4-hydroxycoumarin) in the presence of catalytic amounts of silica-supported Preyssler nanoparticles (SPN) is reported. The catalyst performs very well in comparison with other heteropolyacids catalysts. An important advantage of this catalyst is the ease of separating it from the reaction mixture, as well as the fact that it could be recycled a number of times.Abstract: A new and efficient method for the synthesis of dicoumarol (3,3'-methylene-bis-4-hydroxycoumarin) in the presence of catalytic amounts of silica-supported Preyssler nanoparticles (SPN) is reported. The catalyst performs very well in comparison with other heteropolyacids catalysts. An important advantage of this catalyst is the ease of separating it...Show More
Ali Gharib,Nader Noroozi Pesyan,Leila Vojdani Fard,Mina Roshani
Issue:
Volume 1, Issue 2, June 2015
Pages:
29-34
Received:
26 June 2015
Accepted:
3 July 2015
Published:
6 July 2015
DOI:
10.11648/j.ajhc.20150102.12
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Abstract: We describe an efficient method for the synthesis of β-acetamido ketones through the condensation of an aryl (aromatic) aldehyde, an acetophenone, acetyl chloride, and acetonitrile in the presence of silica-supported Preyssler nanoparticles (SPNPs) at room temperature. High efficiency, easy availability and reusability are some advantages of silica-supported Preyssler nanoparticles (SPNPs) as green and reusable catalyst.Abstract: We describe an efficient method for the synthesis of β-acetamido ketones through the condensation of an aryl (aromatic) aldehyde, an acetophenone, acetyl chloride, and acetonitrile in the presence of silica-supported Preyssler nanoparticles (SPNPs) at room temperature. High efficiency, easy availability and reusability are some advantages of silica...Show More
