CuI nanoparticles: a highly active and easily recyclable catalyst for the synthesis of 2-amino-3,5-dicyano-6-sulfanyl pyridines
摘要:
CuI nanoparticles as a worthwhile and reusable catalyst supply an eco-friendly procedure for the synthesis of 2-amino-3,5-dicyano-6-sulfanyl pyridine derivatives. The products were obtained in high yields and short reaction times via multicomponent reaction of aldehydes, malononitrile and thiols under reflux conditions. The method presented is mild, efficient, inexpensive and satisfactory to give the products in the presence of novel nanoscale materials.
One-step, three-component synthesis of highly substituted pyridines using silica nanoparticle as reusable catalyst
作者:Subhash Banerjee、Grigoriy Sereda
DOI:10.1016/j.tetlet.2009.09.137
日期:2009.12
One-stepsynthesis of ‘privileged medicinal scaffolds’, 2-amino-3,5-dicarbonitrile- 6-sulfanylpyridines, has been demonstrated via a multicomponent reaction of aldehydes, malononitrile, and thiols using silica nanoparticle (NP) as catalysts. The silica NP catalysts are very mild (nearly neutral in nature), effective, environmentally benign, and retain most of their activities after being reused for