reaction analysis article 113 unclassified drug 59 priority journal 46 synthesis 37 chemical reaction 32 drug synthesis 29 chemical structure 23 structure analysis 20 stereochemistry 19 nonhuman 17 catalysis 13 nuclear magnetic resonance 13 controlled study 12 chemical reaction kinetics 11 pH 11 Article 10 conference paper 10 reduction 10 Kinetics 9 Oxidation-Reduction 9 molecular interaction 9 nuclear magnetic resonance spectroscopy 9 proton nuclear magnetic resonance 9 Carbohydrates 8 analytic method 8 carbohydrate derivative 8 chirality 8 complex formation 8 cyclization 8