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Hyperpolarized NMR Spectroscopy: d‐DNP, PHIP, and SABRE Techniques
The intensity of NMR signals can be enhanced by several orders of magnitude by using
various techniques for the hyperpolarization of different molecules. Such approaches can …
various techniques for the hyperpolarization of different molecules. Such approaches can …
Heterogeneous Catalysis and Parahydrogen‐Induced Polarization
Parahydrogen‐induced polarization with heterogeneous catalysts (HET‐PHIP) has been a
subject of extensive research in the last decade since its first observation in 2007. While …
subject of extensive research in the last decade since its first observation in 2007. While …
Cobalt-catalyzed and Lewis acid-assisted nitrile hydrogenation to primary amines: a combined effort
K Tokmic, BJ Jackson, A Salazar… - Journal of the …, 2017 - ACS Publications
The selective hydrogenation of nitriles to primary amines using a bench-stable cobalt
precatalyst under 4 atm of H2 is reported herein. The catalyst precursor was reduced in situ …
precatalyst under 4 atm of H2 is reported herein. The catalyst precursor was reduced in situ …
Understanding heterogeneous catalytic hydrogenation by parahydrogen-induced polarization NMR spectroscopy
Parahydrogen-induced polarization (PHIP) is an NMR hyperpolarization technique with the
ability to increase the NMR sensitivity by serval orders. The generation of hyperpolarization …
ability to increase the NMR sensitivity by serval orders. The generation of hyperpolarization …
Synergy of Ru and Ir in the electrohydrogenation of toluene to methylcyclohexane on a ketjenblack-supported Ru-Ir alloy cathode
An organic hydride system based on hydrogenation/dehydrogenation of toluene (TL)/
methylcyclohexane (MCH) has been studied as a hydrogen storage technology …
methylcyclohexane (MCH) has been studied as a hydrogen storage technology …
Catalytic hydrogenation with parahydrogen: a bridge from homogeneous to heterogeneous catalysis
One of the essential themes in modern catalysis is that of bridging the gap between its
homogeneous and heterogeneous counterparts to combine their individual advantages and …
homogeneous and heterogeneous counterparts to combine their individual advantages and …
Aqueous, Heterogeneous para-Hydrogen-Induced 15N Polarization
The successful transfer of para-hydrogen-induced polarization to 15N spins using
heterogeneous catalysts in aqueous solutions was demonstrated. Hydrogenation of a …
heterogeneous catalysts in aqueous solutions was demonstrated. Hydrogenation of a …
Pairwise hydrogen addition in the selective semihydrogenation of alkynes on silica-supported Cu catalysts
Mechanistic insight into the semihydrogenation of 1-butyne and 2-butyne on Cu
nanoparticles supported on partially dehydroxylated silica (Cu/SiO2-700) was obtained …
nanoparticles supported on partially dehydroxylated silica (Cu/SiO2-700) was obtained …
13C NMR Signal Enhancement Using Parahydrogen-Induced Polarization Mediated by a Cobalt Hydrogenation Catalyst
K Tokmic, RB Greer, L Zhu, AR Fout - Journal of the American …, 2018 - ACS Publications
The use of a cobalt-based catalyst for the generation of hyperpolarized 13C NMR
resonances by para hydrogenation of ethyl acrylate is presented herein. Comparisons of the …
resonances by para hydrogenation of ethyl acrylate is presented herein. Comparisons of the …
Parahydrogen-induced polarization in gas-phase heterogeneous hydrogenation of epoxides
Hydrogenation of epoxides is a reaction of both fundamental and practical importance.
Herein, gas-phase heterogeneous hydrogenation of saturated and unsaturated epoxides …
Herein, gas-phase heterogeneous hydrogenation of saturated and unsaturated epoxides …