I wanted to add this info i had discovered. what do you think Russ, universal chemical processes?
Greek fire perhaps?
In regards to the electrification of glass, I was lead to this information because i wanted to determin how glass becomes charged in the presents of salt water. Im fasinated by this elastic fluid.
Silyl hydride
From Wikipedia, the free encyclopedia
Silicon hydrides are chemical compounds which contain a silicon–hydrogen bond. The silicon-to-hydrogen bond is longer than the C–H bond (148 compared to 105 pm) and weaker (299 compared to 338 kJ/mol). Hydrogen is more electronegative than silicon hence the naming convention of silyl hydrides. The parent compound SiH4 is called silane, and an example is phenylsilane. Silyl hydrides are very reactive and used as reducing agent for example PMHS.
In one study triethylsilylhydride is used in the conversion of an phenyl azide to an aniline [1]:
Azide Reduction By Triethylsilylhydride
In this reaction ACCN is a radical initiator and an aliphatic thiol transfers radical character to the silylhydride. The triethylsilyl free radical then reacts with the azide with expulsion of nitrogen to a N-silylarylaminyl radical which grabs a proton from a thiol completing the catalytic cycle:
Azide Reduction By Triethylsilylhydride mechanism
Aqueous workup then gives aniline.
Silyl hydrides can even take up the reduction of robust molecules such as carbon dioxide (to methane) [2]:
Carbon dioxide reduction
Although it takes a very complex catalyst system.
[edit] Hydrosilylation
Silyl hydrides react with various unsaturated substrates such as alkenes, alkynes, imines, carbonyls and oximes to new organosilicon compounds in hydrosilylation. In the reaction of triphenylsilyl hydride with phenylacetylene the reaction product is a trans or cis or the geminal vinyl silane, for example [3]:
Hydrosilylation with Triphenylsilyl hydride
In the related silylmetalation, a metal replaces the hydrogen atom.
[edit] References
Greek fire perhaps?
In regards to the electrification of glass, I was lead to this information because i wanted to determin how glass becomes charged in the presents of salt water. Im fasinated by this elastic fluid.
Silyl hydride
From Wikipedia, the free encyclopedia
Silicon hydrides are chemical compounds which contain a silicon–hydrogen bond. The silicon-to-hydrogen bond is longer than the C–H bond (148 compared to 105 pm) and weaker (299 compared to 338 kJ/mol). Hydrogen is more electronegative than silicon hence the naming convention of silyl hydrides. The parent compound SiH4 is called silane, and an example is phenylsilane. Silyl hydrides are very reactive and used as reducing agent for example PMHS.
In one study triethylsilylhydride is used in the conversion of an phenyl azide to an aniline [1]:
Azide Reduction By Triethylsilylhydride
In this reaction ACCN is a radical initiator and an aliphatic thiol transfers radical character to the silylhydride. The triethylsilyl free radical then reacts with the azide with expulsion of nitrogen to a N-silylarylaminyl radical which grabs a proton from a thiol completing the catalytic cycle:
Azide Reduction By Triethylsilylhydride mechanism
Aqueous workup then gives aniline.
Silyl hydrides can even take up the reduction of robust molecules such as carbon dioxide (to methane) [2]:
Carbon dioxide reduction
Although it takes a very complex catalyst system.
[edit] Hydrosilylation
Silyl hydrides react with various unsaturated substrates such as alkenes, alkynes, imines, carbonyls and oximes to new organosilicon compounds in hydrosilylation. In the reaction of triphenylsilyl hydride with phenylacetylene the reaction product is a trans or cis or the geminal vinyl silane, for example [3]:
Hydrosilylation with Triphenylsilyl hydride
In the related silylmetalation, a metal replaces the hydrogen atom.
[edit] References
