NMR signal enhancement > 50000 times in Fast Dissolution Dynamic Nuclear Polarization.

Chem. Commun., 2017, 53, 3757-3760

L. F. Pinto, I. Marín-Montesinos, V. Lloveras, J. L. Muñoz-Gómez, M. Pons, J. Veciana and J. Vidal-Gancedo

This article reports the synthesis and the study as polarizing agent for fast dissolution DNP of a novel mixed biradical with a BDPA and TEMPO radical units covalently bound by an ester group (BDPAesterTEMPO). Such a biradical exhibits an extremely high DNP NMR enhancement > 50000 which constitutes one of the largest signal enhancement observed so far, to the best of our knowledge.

pinto chemcomm

http://pubs.rsc.org/en/content/articlelanding/2017/cc/c7cc00635g#!divAbstract

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