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Synthesis and reactivity of some silicon-nitrogen-phosphorus systems
Shi, Boran
Shi, Boran
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[Fort Worth, Tex.] : Texas Christian University,
Date
2016
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Abstract
In recent years, an important branch of polymer chemistry has been the area of polyphosphazenes. Depending on the substituents on the P center, polyphosphazenes exhibit a wide variety of chemical and physical properties and are potential candidates for many applications in chemistry and biology. These polyphosphazenes are often synthesized from organophosphorus compounds like N-silyl-phosphoranimines by a condensation polymerization method. In this research, we report the synthesis of some new (silylanilino)phosphines by the Wilburn method and the synthesis of N-silylphosphoranimines by oxidative bromination and the Staudinger reaction, respectively. These compounds with Si-N-P bond are synthetically useful precursors to poly(phosphazenes). The deprotonation-substitution reaction on P-methyl group of phosporanimines was also studied. All the products are fully characterized by 1H, 13C, and 31P NMR spectroscopy. These (silylanilino)phosphines and their derivatives are being studied as precursors to traditional poly(phosphazenes) and novel poly(phenylenephosphazenes).--Abstract.
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Chemistry and Biochemistry
Advisor
Neilson, Robert H.