Zusammenfassung
One new diarylheptanoid (1) and one previously unknown ascorbic acid derivative (2) along with 48 known compounds including three ascorbic acid derivatives (3-5), three diarylheptanoids (6-8), three juglone derivates (9-11), six racemic alpha-tetralones (12a/b-17a/b), four anthraquinones (18-21), eight flavonoids (22-29), nine oligomeric proanthocyanidins (30-38), one phenolic aldehyde (39), one ...
Zusammenfassung
One new diarylheptanoid (1) and one previously unknown ascorbic acid derivative (2) along with 48 known compounds including three ascorbic acid derivatives (3-5), three diarylheptanoids (6-8), three juglone derivates (9-11), six racemic alpha-tetralones (12a/b-17a/b), four anthraquinones (18-21), eight flavonoids (22-29), nine oligomeric proanthocyanidins (30-38), one phenolic aldehyde (39), one aromatic ketone (40), one pyrrole alkaloid (41), one steroid (42), six terpenes (43-48) and two fatty acids (49-50) were isolated from the leaves of Juglans regia. Their chemical structures were elucidated on basis of 1D and 2D NMR techniques, HRESIMS, polarimetry and CD spectroscopy as well as chiral HPLC and literature data. Furthermore, the chemotaxonomic significance is discussed.
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