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Dynamic nuclear polarization with a rigid biradical.

ABSTRACT: A new polarizing agent with superior performance in dynamic nuclear polarization experiments is introduced, and utilizes two TEMPO (2,2,6,6-tetramethylpiperidine-1-oxyl) moieties connected through a rigid spiro tether (see structure). The observed NMR signal intensities were enhanced by a factor of 1.4 compared to those of TOTAPOL, a previously described TEMPO-based biradical with a flexible tether.

SUBMITTER: Matsuki Y

PROVIDER: S-EPMC2980755 | biostudies-literature | 2009

REPOSITORIES: biostudies-literature

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Dynamic nuclear polarization with a rigid biradical.

Matsuki Yoh Y Maly Thorsten T Ouari Olivier O Karoui Hakim H Le Moigne François F Rizzato Egon E Lyubenova Sevdalina S Herzfeld Judith J Prisner Thomas T Tordo Paul P Griffin Robert G RG

Angewandte Chemie (International ed. in English) 20090101 27

A new polarizing agent with superior performance in dynamic nuclear polarization experiments is introduced, and utilizes two TEMPO (2,2,6,6-tetramethylpiperidine-1-oxyl) moieties connected through a rigid spiro tether (see structure). The observed NMR signal intensities were enhanced by a factor of 1.4 compared to those of TOTAPOL, a previously described TEMPO-based biradical with a flexible tether. ...[more]

PMID: 19492374

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