
Phytochemistry p. 275 - 277 (1990)
Update date:2022-08-04
Topics:
Steynberg, Jan P.
Burger, Johann F. W.
Malan, Johannes C. S.
Cronje, Annamarie
Young, Desmond A.
Ferreira, Daneel
The natural occurrence of the first profisetinidins associated with (-)-epicatechin is demonstrated in the heartwood of three legumes. 1H-NMR spectroscopy at 300 MHz permits assesments of the relative abundance of the predominant rotamers in each of the heptamethyl ether diacetates of the (-)-fisetinidol-(4α,8) and (4β,8)-(-)-epicatechins at ambient temperatures.
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