Metal-free oxidative coupling of thiols to disulfides using guanidinium nitrate or nitro urea in the presence of silica sulfuric acid
A Ghorbani-Choghamarani, M Nikoorazm… - Journal of Chemical …, 2011 - Springer
Journal of Chemical Sciences, 2011•Springer
Efficient combination of nitro urea or guanidinium nitrate and silica sulfuric acid (SiO 2 OSO
3 H) as a new oxidizing system is able to oxidize a variety of aliphatic or aromatic thiols to
the corresponding disulfides. The process reported here is operationally simple,
environmentally benign and reactions have been mildly and heterogeneously performed in
dichloromethane at room temperature. Graphical Abstract Environmentally benign and metal-
free procedure has been presented for the versatile conversion of a wide variety of thiols to …
3 H) as a new oxidizing system is able to oxidize a variety of aliphatic or aromatic thiols to
the corresponding disulfides. The process reported here is operationally simple,
environmentally benign and reactions have been mildly and heterogeneously performed in
dichloromethane at room temperature. Graphical Abstract Environmentally benign and metal-
free procedure has been presented for the versatile conversion of a wide variety of thiols to …
Abstract
Efficient combination of nitro urea or guanidinium nitrate and silica sulfuric acid (SiO2OSO3H) as a new oxidizing system is able to oxidize a variety of aliphatic or aromatic thiols to the corresponding disulfides. The process reported here is operationally simple, environmentally benign and reactions have been mildly and heterogeneously performed in dichloromethane at room temperature.
Graphical Abstract
Environmentally benign and metal-free procedure has been presented for the versatile conversion of a wide variety of thiols to the corresponding disulfides.
Springer
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