scholarly journals Heteropolytungstostannate as a homo- and heterogeneous catalyst for Knoevenagel condensations, selective oxidation of sulfides and oxidative amination of aldehydes

RSC Advances ◽  
2017 ◽  
Vol 7 (72) ◽  
pp. 45495-45503 ◽  
Author(s):  
Roushan Khoshnavazi ◽  
Leila Bahrami ◽  
Manuchehr Rezaei

Heteropolytungstostannate of [P2W18O68(HOSnIVOH)3]12− was grafted on amine levels coated magnetic nanoparticles and used as catalysis in the selective oxidation of sulfides and oxidative amination of aldehydes in an aqueous medium.

RSC Advances ◽  
2015 ◽  
Vol 5 (48) ◽  
pp. 38044-38047 ◽  
Author(s):  
Prasanta Gogoi ◽  
Sukanya Hazarika ◽  
Pranjit Barman

We report here tetrabutylammonium tribromide supported on MCM-48 as a highly efficient heterogeneous catalyst for the selective oxidation of sulfides, in ethanolic medium using hydrogen peroxide as an oxidant.


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