Dynamic nuclear polarization with a rigid biradical
Author(s)Matsuki, Yoh; Maly, Thorsten; Ouari, Olivier; Karoui, Hakim; Le Moigne, Francois; Rizzato, Egon; Lyubenova, Sevdalina; Herzfeld, Judith; Prisner, Thomas; Tordo, Paul; Griffin, Robert Guy; ... Show more Show less
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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.
DepartmentMassachusetts Institute of Technology. Department of Chemistry; Francis Bitter Magnet Laboratory (Massachusetts Institute of Technology)
Angewandte Chemie International Edition
John Wiley & Sons, Inc.
Matsuki, Yoh et al. “Dynamic Nuclear Polarization with a Rigid Biradical.” Angewandte Chemie International Edition 48.27 (2009): 4996–5000. Web.
Author's final manuscript