A series of non-aqueous solvents combined with the exogenous biradical bTbK are developed for DNP NMR that yield enhancements comparable to the best available water based systems. 1,1,2,2-tetrachloroethane appears to be one of the most promising organic solvents for DNP solid-state NMR. Here this results in a reduction in experimental times by a factor of 1000. These new solvents are demonstrated with the first DNP surface enhanced NMR characterization of an organometallic complex supported on a hydrophobic surface.
Non-aqueous solvents for DNP surface enhanced NMR spectroscopy / Zagdoun, A., Rossini, A.J., Gajan, D., Bourdolle, A., Ouari, O., Rosay, M., Maas, W.E., Tordo, P., Lelli, M., Emsley, L., Lesage, A., Copéret, C.. - In: CHEMICAL COMMUNICATIONS. - ISSN 1359-7345. - STAMPA. - 48:(2012), pp. 654-656. [10.1039/c1cc15242d]
Non-aqueous solvents for DNP surface enhanced NMR spectroscopy
LELLI, MORENOInvestigation
;
2012
Abstract
A series of non-aqueous solvents combined with the exogenous biradical bTbK are developed for DNP NMR that yield enhancements comparable to the best available water based systems. 1,1,2,2-tetrachloroethane appears to be one of the most promising organic solvents for DNP solid-state NMR. Here this results in a reduction in experimental times by a factor of 1000. These new solvents are demonstrated with the first DNP surface enhanced NMR characterization of an organometallic complex supported on a hydrophobic surface.
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