Tetrahedron p. 927 - 934 (1985)
Update date:2022-08-02
Topics:
Tsukamoto, Sachiko
Hayashi, Koji
Mitsuhashi, Hiroshi
Six new glycosides named wilfoside C3N (1), C1N (2), C2N (3), C3G (4), C1G (5) and C2G (6) were isolated from Cynanchum wilfordi HEMSLEY (Asclepiadaceae) and their structures were deducted on the basis of the chemical and spectral evidence.It is quite unusual that 2, 3, 5 and 6 include both D-cymarose and L-cymarose in each sugar chain.
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