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New steroids from Solenostemma argel leaves

2001; Elsevier BV; Volume: 72; Issue: 7 Linguagem: Inglês

10.1016/s0367-326x(01)00308-2

1873-6971

Arafa I. Hamed,

Phytochemical Studies and Bioactivities

Two new pregnane ester glycosides, named stemmoside A (1) and stemmoside B (2) and a third new polyhydroxy pregnane, named stemmin C (3), were isolated from Solenostemma argel leaves. The structures were achieved by extensive one- and two-dimensional NMR and MS spectroscopic analysis.