利用乙酸乙酯[1-C]的非均相仲氢诱导极化制备纯C超极化代谢物
Toward Production of Pure C Hyperpolarized Metabolites Using Heterogeneous Parahydrogen-Induced Polarization of Ethyl[1-C]acetate.
作者信息
Kovtunov K V, Barskiy D A, Salnikov O G, Shchepin R V, Coffey A M, Kovtunova L M, Bukhtiyarov V I, Koptyug I V, Chekmenev E Y
机构信息
Laboratory of Magnetic Resonance Microimaging, International Tomography Center SB RAS, Institutskaya St. 3A, 630090 Novosibirsk, Russia; Novosibirsk State University, Pirogova St. 2, 630090 Novosibirsk, Russia.
Vanderbilt University, Institute of Imaging Science (VUIIS), Department of Radiology, Department of Biomedical Engineering, Vanderbilt-Ingram Cancer Center (VICC), Nashville, Tennessee, 37232-2310, USA.
出版信息
RSC Adv. 2016;6(74):69728-69732. doi: 10.1039/C6RA15808K. Epub 2016 Jul 15.
Abstract
Here, we report the production of C-hyperpolarized ethyl acetate via heterogeneously catalyzed pairwise addition of parahydrogen to vinyl acetate over TiO-supported rhodium nanoparticles, followed by magnetic field cycling. Importantly, the hyperpolarization is demonstrated even at the natural abundance of C isotope (ca. 1.1%) along with the easiest separation of the catalyst from the hyperpolarized liquid.
摘要
在此，我们报告了通过在负载于二氧化钛的铑纳米颗粒上，将对氢非均相催化成对加成到醋酸乙烯酯上，随后进行磁场循环来制备碳超极化乙酸乙酯。重要的是，即使在碳同位素的天然丰度（约1.1%）下，也能实现超极化，并且催化剂与超极化液体的分离最为简便。
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