Quantitative H-2 NMR spectroscopy - 2. "H/D-isotope portraits" of cyclic monoterpenes and discrimination of their biosynthetic pathwaysстатья
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Аннотация:Site-specific deuterium distribution in molecules of the representative series of natural monoterpenes was studied by quantitative H-2 NMR spectroscopy. "H/D-isotope portraits" of these compounds have general characteristic features reflecting biosynthetic pathways. The data obtained suggest that monoterpenes in plants are formed through 1-deoxy-D-xylulose-5-phosphate (DXP pathway) rather than by the classical mevalonate scheme.