Nuclear magnetic resonance (NMR) spectroscopy is a technique that detects the chemical environment of atomic nuclei by the absorption of radio-frequency electromagnetic radiation when in the ...

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The mixture was heated while continuously stirring at 70 °C for 1 h to ensure complete dissolution of chitosan chains. Then, 0.04 g of DHBA (equivalent to 40 wt %) was added gradually to the chitosan ...

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We observed that this methodology also worked for benzophenone, leading to β-benzopinacolone (compound 7) in 34% isolated yield. Considering that it is a one-pot methodology starting from ketone and ...

Although natural sources of compounds that contain the oxazolidin-2-one nucleus are very rare, 5 Kakeya et al. 6 were able to isolate a novel compound belonging to this class, ...

Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States ...