2,3-Dihydrobiflavone from Ginkgo biloba.
From the yellow leaves of Ginkgo biloba 2,3-dihydrosciadopitysin (5,5'',7''-trihydroxy-7,4',4'''-trimethoxy-3',8''-flavanone/flavone) was isolated as a mixture of two diastereomers. Its structure was elucidated employing 2D NMR techniques.
Krauze-Baranowska
M
M
Department of Pharmacognosy, Medical University of Gdańsk, Poland. krauze@eniac.farmacja.amgda.pl
Sowiński
P
P