Relay-COSY : RELAY-COrrelated SpectroscopY ... Cross-peak in COSY-45 allow to assign H3 and H5a/b unambiguously as H4 is ... Phase sensitive COSY. GE-DQCOSY ...
2 isopropyl shifts. Distinguish structures. CH2Cl2. d. Dd. D. iPr(Me) iPr(Me) iPr(CH) iPr(CH) ... Study interaction of CH ( and ') with aromatic protons and with CH2 ...