Ming D S, Yu D Q, Yu S S
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing.
J Asian Nat Prod Res. 1999;1(4):327-35. doi: 10.1080/10286029908039882.
Two new caffeoyl glycosides of phenethyl alcohol, suspensaside A (1) and suspensaside B (2), were isolated from the fruits of Forsythia suspensa. Also obtained in this investigation were two known compounds forsythiaside (3) and suspensaside (4). The structures of compounds 1 and 2 were established by ID and 2D NMR techniques and chemical methods.