Über Umsilylierungen an Disilazanen / Transsilylation on Disilazanes
2014
Mooser, J Peter | Nöth, Heinrich | Tinhof, Wolfgang
The transsilylation of hexamethyl- and heptamethyldisilazane as well as of Si-chlorinated methyldisilazanes by (CH₃)₂SiCl₂, CH₃SiCl₃ and SiCl₄ has been investigated. The reactivity of the disilazanes decreases as the number of Cl-atoms in these molecules increases. A reactivity order (CH₃)₂SiCl₂ <CH₃SiCl₃> SiCl₄ has been observed for the transsilylating agent.The shielding of all types of CH₃ groups present in the disilazanes investigated is additively dependent on the number of Cl atoms present in the molecules.
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