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A benzyl alcohol derivative of the BDPA radical for fast dissolution dynamic nuclear polarization NMR spectroscopy

AuthorsMuñoz Gómez, José L ; Monteagudo, E.; Lloveras, Vega ; Parella, Teodor; Veciana, Jaume ; Vidal Gancedo, José
Issue Date7-Mar-2015
PublisherRoyal Society of Chemistry (UK)
CitationOrganic and Biomolecular Chemistry 13(9): 2689- 2693 (2015)
Abstract© The Royal Society of Chemistry 2015. The synthesis, structural characterization and the successful application of a carbon centered radical derived from 1,3-bisdiphenylene-2-phenylallyl (BDPA), its benzyl alcohol derivative (BA-BDPA), as a polarizing agent for Dynamic Nuclear Polarization (DNP) are described. The reported BA-BDPA radical meets all the requirements to become a promising candidate for its use in in vivo DNP-NMR experiments: it is soluble in neat [1-13C]pyruvic acid, insoluble in the dissolution transfer solvent and is effective as a polarizing agent in fast dissolution DNP-NMR applications, without the need for using glassing agents. Moreover, it enables a simple but effective in-line radical filtration to obtain hyperpolarized solutions of [1-13C]pyruvic acid free of radicals that offers a better polarization performance. This journal is
Identifiersdoi: 10.1039/c4ob02356k
issn: 1477-0520
e-issn: 1477-0539
Appears in Collections:(ICMAB) Artículos
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