A Novel Catalytic Method for the Oxidation of Sulfides to Sulfoxides with Silica Sulfuric Acid and Sodium Nitrite in the Presence of KBr and/or NaBr as Catalyst

2009 ◽  
Vol 27 (9) ◽  
pp. 1801-1804 ◽  
Author(s):  
Hamid Goudarziafshar ◽  
Arash Ghorbani-choghamarani ◽  
Mohsen Nikoorazm ◽  
Zahra Naserifar
Keyword(s):  
Sulfuric Acid ◽  
Sodium Nitrite ◽  
Silica Sulfuric Acid ◽  
Catalytic Method ◽  
Oxidation Of Sulfides

A catalytic method for chemoselective detritylation of 5′-tritylated nucleosides under mild and heterogeneous conditions using silica sulfuric acid as a recyclable catalyst

2007 ◽  
Vol 48 (30) ◽  
pp. 5219-5222 ◽  
Author(s):  
Ali Khalafi-Nezhad ◽  
Abolfath Parhami ◽  
Mohammad Navid Soltani Rad ◽  
Mohammad Ali Zolfigol ◽  
Abdolkarim Zare
Keyword(s):  
Sulfuric Acid ◽  
Recyclable Catalyst ◽  
Silica Sulfuric Acid ◽  
Catalytic Method

Catalytic oxidation of sulfides to sulfoxides using sodium perborate and/or sodium percarbonate and silica sulfuric acid in the presence of KBr

2009 ◽  
Vol 10 (8) ◽  
pp. 1257-1260 ◽  
Author(s):  
Davood Habibi ◽  
Mohammad Ali Zolfigol ◽  
Malihe Safaiee ◽  
Atefeh Shamsian ◽  
Arash Ghorbani-Choghamarani
Keyword(s):  
Sulfuric Acid ◽  
Catalytic Oxidation ◽  
Sodium Perborate ◽  
Silica Sulfuric Acid ◽  
Sodium Percarbonate ◽  
Oxidation Of Sulfides

Chemoselective Oxidation of Sulfides with Ammonium Nitrate and Silica Sulfuric Acid Catalyzed by KBr

2009 ◽  
Vol 30 (4) ◽  
pp. 273-275 ◽  
Author(s):  
Arash GHORBANI-CHOGHAMARANI ◽  
Mohammad Ali ZOLFIGOL ◽  
Toktam RASTEGAR
Keyword(s):  
Sulfuric Acid ◽  
Ammonium Nitrate ◽  
Silica Sulfuric Acid ◽  
Oxidation Of Sulfides ◽  
Acid Catalyzed
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