Dihydroayapin, a new coumarin compound from Dendrobium densiflorum.
A new coumarin named dihydroayapin (1) together with seven known compounds were isolated from the stems of Dendrobium densiflorum. On the basis of physicochemical and spectral evidences, the structure of 1 was established as 6,7-methylenedioxy-3,4-dihydrobenzopyran-2-one.
Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing.
W P
WP
Zheng
Y P
YP
Tang
F
F
Zhi
F C
FC
Lou
D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002681:China; D003374:Coumarins / Q000737:chemistry* / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D010936:Plant Extracts / Q000032:analysis; D018547:Plant Stems / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
D003374:Coumarins; C426383:Dihydroayapin; D010936:Plant Extracts