130519-76-5Relevant articles and documents
Assessment of 3,4trans and 3,4-cis relative configurations in the a-series of (4,8)-linked proanthocyanidins
Cronje, Annemarie,Burger, Johann F. W.,Brandt, E. Vincent,Kolodziej, Herbert,Ferreira, Daneel
, p. 3789 - 3792 (1990)
- Proanthocyanidins of the A-type exhibit identical 1H NMR coupling constants (J3,4 = 3.5 Hz) irrespective of the relative configurations of their C-rings. The selective 1H NOE association of 3-H (C-ring) to either 6-H(D)