Benzophenanthridine alkaloids from Corydalis flabellata.
Four new alkaloids, characterized as 6-(2-hydroxyethyl)-5,6-dihydrosanguinarine (1), 6-acetonyl-5,6-dihydrosanguinarine (2), N-methyl-2,3,7,8-tetramethoxy-5,6-dihydrobenzophenanthridine-6-ethanoic acid (3), N-methyl-2,3,7,8-tetramethoxy-6-oxo-5,6-dihydrobenzophenanthridine (4), together with oxosanguinarine (5), spallidamine (6), 6-acetonyl-5,6-dihydrochelerythrine (7), 6-oxochelerythrine (8) and sanguidimerine (9) were isolated from the roots of Corydalis flabellata.
Koul
Summon
S
Department of Chemistry, University of Jammu, Ambedkar Road, Jammu, India.
Razdan
T K
TK
Andotra
C S
CS
Kalla
A K
AK
Koul
S
S
Taneja
S C
SC
D000470:Alkaloids / Q000737:chemistry* / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D028101:Papaveraceae; D010617:Phenanthridines / Q000737:chemistry* / Q000302:isolation & purification; D018517:Plant Roots / Q000737:chemistry*
D000470:Alkaloids; D010617:Phenanthridines