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Synthesis of novel derivatives of closo-dodecaborate anion with azido group at the terminal position of the spacer

✍ Scribed by Anna V. Orlova; Nikolay N. Kondakov; Boris G. Kimel; Leonid O. Kononov; Elena G. Kononova; Igor B. Sivaev; Vladimir I. Bregadze

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 101 KB
Volume: 21
Category: Article
ISSN: 0268-2605
DOI: 10.1002/aoc.1151

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✦ Synopsis

Abstract

Two novel azido‐derivatives of closo‐dodecaborate anion with hydrophobic and hydrophilic spacers were prepared by reaction of tetrabutylammonium azide with cyclic oxonium derivatives of the closo‐dodecaborate anion. The compounds prepared can be regarded as precursors of derivatives of closo‐dodecaborate anion with amino group at the terminal position of a spacer or as building blocks for ‘click chemistry’, which are useful for preparation of various conjugates with targeting molecules. A concentration dependence of the ^11^B NMR spectra of functionalized derivatives of closo‐dodecaborate anion was discovered, which is of great importance for analytical purposes. Copyright © 2006 John Wiley & Sons, Ltd.

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