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Four new hydroxy‐aminoalkyl derivatives of α,β‐unsaturated macrolide‐josamycin (2–5) have been synthesised and their structures have been studied by means of 1H and 13C NMR and FT‐IR methods. Complete assignment of resonances in the 1H and 13C NMR spectra has been made on the basis of 1H13C HSQC, 1H13C HMBC, 1H1H COSY, 1H1H NOESY 2D experiments. Spectroscopic data indicated that for the derivatives...
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