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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 189, 2014 - Issue 1
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Original Articles

29Si NMR Spectroscopy as a Reliable Method for the Determination of Silyl Protective Groups Positions at the Cyclodextrin Frame

G. I. Kurochkina Department of Chemistry, Moscow State Pedagogical University, Moscow, Russian Federation
,
M. K. Grachev Department of Chemistry, Moscow State Pedagogical University, Moscow, Russian Federation
,
I. I. Levina Department of Chemistry, Moscow State Pedagogical University, Moscow, Russian Federation
&
E. E. Nifant’ev Department of Chemistry, Moscow State Pedagogical University, Moscow, Russian Federation
Pages 33-39 | Received 05 Feb 2013, Accepted 18 Mar 2013, Published online: 03 Dec 2013
 
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Abstract

The synthesis of some new regioselectively silylated β-cyclodextrin derivatives is described. It is shown that by means of 29Si NMR spectroscopy it is possible to reliably determine the regioselectivity position of the silyl protective groups on the cyclodextrin frame and to control silylation of the cyclodextrin by utilizing chlorosilanes that have different sized substituents.

GRAPHICAL ABSTRACT

Acknowledgments

The authors are grateful to Russian Fund for Basic Research (Grant #12-03-00147) for the financial support of this work.

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