The invention relates to compounds of general formula (I) wherein X is C=O or SO2, M is NR2 or O, and Q1 and Q2 are nitroxide-containing radicals, and their use as a Dynamic Nuclear Polarization (DNP) agent for polarizing an NMR-active spin of a nucleus of an analyte in Nuclear Magnetic Resonance (NMR) spectroscopy.
该发明涉及一般式(I)中的化合物,其中X为C=O或SO2,M为NR2或O,Q1和Q2为含
氮氧自由基的基团,并且它们作为动态核极化(DNP)剂的用途,用于极化核磁共振(NMR)光谱分析中的分析物核中的NMR活跃自旋。