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Toward Production of Pure 13C Hyperpolarized Metabolites Using Heterogeneous Parahydrogen-Induced Polarization of Ethyl[1-13C]acetate.

ABSTRACT: Here, we report the production of 13C-hyperpolarized ethyl acetate via heterogeneously catalyzed pairwise addition of parahydrogen to vinyl acetate over TiO2-supported rhodium nanoparticles, followed by magnetic field cycling. Importantly, the hyperpolarization is demonstrated even at the natural abundance of 13C isotope (ca. 1.1%) along with the easiest separation of the catalyst from the hyperpolarized liquid.

SUBMITTER: Kovtunov KV 

PROVIDER: S-EPMC5193475 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Toward Production of Pure <sup>13</sup>C Hyperpolarized Metabolites Using Heterogeneous Parahydrogen-Induced Polarization of Ethyl[1-<sup>13</sup>C]acetate.

Kovtunov K V KV   Barskiy D A DA   Salnikov O G OG   Shchepin R V RV   Coffey A M AM   Kovtunova L M LM   Bukhtiyarov V I VI   Koptyug I V IV   Chekmenev E Y EY  

RSC advances 20160715 74

Here, we report the production of <sup>13</sup>C-hyperpolarized ethyl acetate via heterogeneously catalyzed pairwise addition of parahydrogen to vinyl acetate over TiO<sub>2</sub>-supported rhodium nanoparticles, followed by magnetic field cycling. Importantly, the hyperpolarization is demonstrated even at the natural abundance of <sup>13</sup>C isotope (ca. 1.1%) along with the easiest separation of the catalyst from the hyperpolarized liquid. ...[more]

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