Original title: Detection of Signed Homonuclear Couplings between Low Abundant Nuclei
Authors: Blechta, Vratislav ; Schraml, Jan
Document type: Papers
Conference/Event: NMR Vatltice /26./, Valtice (CZ), 2011-05-01 / 2011-05-04
Year: 2011
Language: eng
Abstract: The subject of this lecture is a modification of CSEc method for detection of signed homonuclear couplings. The new sequence is neither trivial nor simple application of the CSEc but some tricks are used to design broadband pulse sequence without selective pulses. The sequence was proved on a few samples by measuring carbon-carbon two- and three-bond couplings. For the first time signs of 2J(Si-O-Si) couplings were measured on a set of siloxane oligomers with different bond maps. The results will be presented.
Keywords: linear spin system; sign of J(C,C); signed coupling
Project no.: CEZ:AV0Z40720504 (CEP), IAA400720706 (CEP)
Funding provider: GA AV ČR
Host item entry: Book of Abstracts, ISBN 978-80-86441-34-4

Institution: Institute of Chemical Process Fundamentals AS ČR (web)
Original record: http://hdl.handle.net/11104/0202192

Permalink: http://www.nusl.cz/ntk/nusl-71625


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Research > Institutes ASCR > Institute of Chemical Process Fundamentals
Conference materials > Papers