Sensitivity enhancement of double quantum NMR spectroscopy by modified CPMG

► A new CPMG type pulse sequence for sensitivity enhancement of double-quantum NMR Spectroscopy. ► The implementation of the Hahn-solid-Hahn sequence as refocussing element in CPMG. ► Enhancements of ∼4 are achieved in double-quantum filtered CP spectra. ► Implementation of a sensitivity enhanced DOQSY experiment using HSHCPMG detection. ► Accurate determination of the relative orientation of the 13C CSA tensors in glycine.