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Synthesis 2005(10): 1635-1640
DOI: 10.1055/s-2005-865311
DOI: 10.1055/s-2005-865311
PAPER
© Georg Thieme Verlag Stuttgart · New York
Green Traceless Cleavage from Resin-Bound Selenium and Tellurium and Analysis by 2D 29Si/1H HR-MAS NMR Spectroscopy
Further Information
Received
16 November 2004
Publication Date:
12 April 2005 (online)
Publication History
Publication Date:
12 April 2005 (online)

Abstract
A novel protocol for traceless cleavage from resin-bound selenium and tellurium is described. The toxic tributyltin hydride that has been used previously as reagent for cleavage from these resins by homolysis has been replaced by the less-toxic tris(trimethylsilyl)silane and tris(trimethylsilyl)germane. In addition, the remaining resin-bound chalcogenyl silane and germane residues were characterised by the use of high-resolution magic-angle spinning (HR-MAS) 2D 29Si/1H NMR spectroscopy.
Key words
traceless cleavage - 29Si/1H HR-MAS NMR - resin-bound selenium and tellurium
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