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Dr. Ian Riddlestone

FRIAS Junior Fellow

Raum 01 028

Tel. +49 (0)761 203 97379

Fax +49 (0)761 203 97451

E-Mail ian.riddlestone@frias.uni-freiburg.de

 

Alexander-von Humboldt Fellow

IAAC:

Room No.: 330 Chemie II

Telephone: +49-761-203-8716

 

FRIAS-Projekt

 

Preparation of Stabilised and Free Silylium and Silicocenium Ions Featuring Known and Novel Weakly Coordinating Anions; Reagents for the Coordination and Activation of Small Molecules

Weakly coordinating anions (WCAs) have applications as electrolytes, components in ionic liquids, lithium ion batteries and in catalysis. They also facilitate the formation of reactive cations and weakly bound complexes in the condensed phase. Although a number of WCAs are prevalent in the literature, a number of common underlying deficiencies affect their usage. Such deficiencies include: (i) stability to highly Lewis acidic species, (ii) weak coordinative strength, (iii) ease of preparation and (iv) high tendency towards crystallographic disorder. This project seeks to build and improve upon the perfluoro-tert-butoxy aluminate class of WCAs and apply these anions in the synthesis of highly reactive silylium and silicocenium cations.

Keywords:

Free Silylium and Silicocenium Ions; Novel Weakly Coordinating Anions; Reagents for the Coordination and Activation of Small Molecules.

 

 

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