Issue 99, 2014
From the journal:

Chemical Communications

Tetrahedral Sn–silsesquioxane: synthesis, characterization and catalysis†

Evgeny V. Beletskiy,a   Zhongliang Shen,a   Mark V. Riofski,a   Xianliang Hou,ab   James R. Gallagher,c   Jeffrey T. Miller,c   Yuyang Wu,d   Harold H. Kung*a  and  Mayfair C. Kung*a  

* Corresponding authors

a Chemical and Biological Engineering Department, Northwestern University, Evanston, IL. 60208, USA
E-mail: hkung@northwestern.edu, m-kung@northwestern.edu

b Northwestern Polytechnical University, Xi'an 710072, P. R. China

c Argonne National Laboratory, Chemical Sciences and Engineering Division, Argonne, IL. 60429, USA

d Chemistry Department, Northwestern University, Evanston, IL. 60208, USA

Abstract

A tetrahedral stannasilsesquioxane complex was synthesized as a racemic mixture using Sn(OiPr)4 and silsesquioxanediol, and its structure was confirmed with X-ray crystallography, NMR, and EXAFS. The complex was a Lewis acid, and both anti and syn-binding with Lewis bases were possible with the formation of octahedral Sn complexes. It was also a Lewis acid catalyst active for epoxide ring opening and hydride transfer.

Graphical abstract: Tetrahedral Sn–silsesquioxane: synthesis, characterization and catalysis

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Article information

DOI
https://doi.org/10.1039/C4CC07897G
Article type
Communication
Submitted
07 Oct 2014
Accepted
27 Oct 2014
First published
27 Oct 2014

Chem. Commun., 2014,50, 15699-15701

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Tetrahedral Sn–silsesquioxane: synthesis, characterization and catalysis

E. V. Beletskiy, Z. Shen, M. V. Riofski, X. Hou, J. R. Gallagher, J. T. Miller, Y. Wu, H. H. Kung and M. C. Kung, Chem. Commun., 2014, 50, 15699 DOI: 10.1039/C4CC07897G

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