Oddný Þorbergsdóttir, Oddný Ragnarsdóttir, and Linda Hancock NMR Oddný Þorbergsdóttir, Oddný Ragnarsdóttir, and Linda Hancock
1H NMR A A D B C D B I A G H I F C F E E H G Two Bs are due to accidental equivalence (free rotation about the sigma bonds) E H G
A 1H-1H COSY D B I E C F H G F E A H I G C D B G E D C B A I H F
13C NMR D B A C H E F F A H G I D E B C G I CDCl3
13C: DEPT-135 F A H G I D E B C H A G F E C D B Distortionless Enhancement by Polarization Transfer; Quaternary carbon (I) is absent; Most downfield peak is H
13C - 1H COSY: HETCOR A D B I F E C H G F E A H I G C D B H F G C E D HETCOR= Heteronuclear chemical shift correlation; Quaternary carbon is absent (not coupling with anything)