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Chemoselective N-nitrosation of secondary amines under heterogeneous and mild conditions via in situ generation of HNO_2
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作者 Arash Ghorbani-Choghamarani Hamid Goudarziafshar +1 位作者 Somaieh Rezaee saiedeh shima mortazavi 《Chinese Chemical Letters》 SCIE CAS CSCD 2009年第4期415-419,共5页
A wide variety of secondary amines are chemoselectively subjected to N-nitrosation reaction with treatment of citric acid and NaNO2 in the presence of wet SiO2 (50%, w/w) in dichloromethane at room temperatture unde... A wide variety of secondary amines are chemoselectively subjected to N-nitrosation reaction with treatment of citric acid and NaNO2 in the presence of wet SiO2 (50%, w/w) in dichloromethane at room temperatture under heterogeneous conditions. The Nnitrosation method is very simple and products can be easily isolated with good to high yields. 展开更多
关键词 N-NITROSATION Secondary amines HETEROGENEOUS Citric acid NaNO2
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