WebFeb 24, 2024 · The generation of hyperpolarization in hydrogenation reactions is associated with a pairwise addition behavior, which is sensitive to the properties of catalysts and the reaction process, making it a powerful tool for the characterization of catalyst properties … WebApr 13, 2024 · One of the drawbacks of hydrogenative parahydrogen-induced polarization (PHIP) is the need for a dedicated compound (precursor) that is chemically modified during the reaction to produce a hyperpolarized target molecule. 32-34 Recently, this problem has been addressed through the development of SABRE-relay (SABRE=signal amplification by ...
Parahydrogen-induced polarization and spin order transfer in ethyl ...
WebNov 1, 2024 · Parahydrogen-induced polarization in hydrogenation reaction of lignin-derived reactive phenols using Wilkinson’s catalyst. 2. Materials and methods 2.1. Materials All chemicals used in this study were obtained from commercial sources and used as received without further purification. 2.2. Homebuilt parahydrogen generator WebNov 12, 2024 · Parahydrogen-induced polarization (PHIP) 9,10 is an alternative method with intriguing properties, including fast and continuous 11,12,13, or quasi-continuous 14, … fernandez albano
13C and 15N Benchtop NMR Detection of Metabolites via Relayed ...
WebFeb 24, 2024 · The generation of hyperpolarization in hydrogenation reactions is associated with a pairwise addition behavior, which is sensitive to the properties of catalysts and the reaction process, making it a powerful tool for the characterization of catalyst properties and elucidation of reaction mechanisms. WebNov 1, 1997 · In this article, we want to present a comprehensive theoretical treatment of the parahydrogen induced polarization phenomenon. We highlight some of its more recent … WebWe describe a new method for pulsed spin order transfer of parahydrogen-induced polarization (PHIP) that enables high polarization in incompletely 2 H-labeled molecules by exciting only the desired protons in a frequency-selective manner. This way, the effect of selected J-couplings is suspended.Experimentally 1.25% 13 C polarization were obtained … fernández alberto