An alkaloid with a novel structure,named Hypodematine,was isolated from Hypodematium sinense Iwatsuki(belonging to Thelypterdaceae).Its structure was elucidated by means of the ~1H-~1H COSY' ~1H-^(13)C COSY and lo...An alkaloid with a novel structure,named Hypodematine,was isolated from Hypodematium sinense Iwatsuki(belonging to Thelypterdaceae).Its structure was elucidated by means of the ~1H-~1H COSY' ~1H-^(13)C COSY and long-range ~1H-^(13)C COSY spectroscopy to have the skeleton of benzo-aza-cyclooctatetraene with a phenyl substituent.Such basic structure has not been found in the na- tural product before.展开更多
A novel alkaloid,named hypodematine,was isolated from the whole plant of a fern.Htpodematium sinemse lwatsuki.Its structure has been elucidated to have a novel skeleton of benzo-azacyclooctatetraene with a phenyl subs...A novel alkaloid,named hypodematine,was isolated from the whole plant of a fern.Htpodematium sinemse lwatsuki.Its structure has been elucidated to have a novel skeleton of benzo-azacyclooctatetraene with a phenyl substituent by means of ~1H-~1H COSY.~1H-(13)C COSY.and long-range ~1H-^(13)C COSY spectroscopy.展开更多
文摘An alkaloid with a novel structure,named Hypodematine,was isolated from Hypodematium sinense Iwatsuki(belonging to Thelypterdaceae).Its structure was elucidated by means of the ~1H-~1H COSY' ~1H-^(13)C COSY and long-range ~1H-^(13)C COSY spectroscopy to have the skeleton of benzo-aza-cyclooctatetraene with a phenyl substituent.Such basic structure has not been found in the na- tural product before.
文摘A novel alkaloid,named hypodematine,was isolated from the whole plant of a fern.Htpodematium sinemse lwatsuki.Its structure has been elucidated to have a novel skeleton of benzo-azacyclooctatetraene with a phenyl substituent by means of ~1H-~1H COSY.~1H-(13)C COSY.and long-range ~1H-^(13)C COSY spectroscopy.
