The glycosides of Martynia louisiana Mill. A new phenylpropanoid glycoside, martynoside.

Two new nortriterpenoid glycosides and a new phenylpropanoid glycoside from the bulbs of Scilla scilloides.

Two new norlanostane-type triterpenoid glycosides and a new phenylpropanoid glycoside were isolated from the bulbs of Scilla scilloides DRUCE (Liliaceae), along with two known alkaloids. Their chemical structures were determined on the basis of spectroscopic data as well as chemical evidence.

Phenylpropanoid glycosides from Scrophularia ningpoensis.

Three phenylpropanoid glycosides named ningposides A (3-O-acetyl-2-O-feruloyl-alpha-L-rhamnopyranose), B (4-O-acetyl-2-O-feruloyl-alpha-L-rhamnopyranose) and C (3-O-acetyl-2-O-p-hydroxycinnamoyl-alpha-L-rhamnopyranose) along with the known compounds sibirioside A, cistanoside D, angoroside C, acteoside, decaffeoylacteoside and cistanoside F were obtained from the roots of Scrophularia ningpoensis.

New Phenylpropanoid Glycosides from Eurya emarginata (Thunb.) Makino†

Lignan and phenylpropanoid glycosides from Fernandoa adenophylla.

From the leaves and branches of Fernandoa adenophylla, a lignan glycoside (fernandoside) and a phenylpropanoid glycoside (2"-O-beta-apiosylverbascoside) were isolated together with 12 known compounds. The structural elucidations were based on analyses of physical and spectroscopic data.

Bioactive phenylpropanoid glycosides from Tabebuia avellanedae.

Three novel phenylpropanoid glycosides 2, 5, 6 were isolated from water extract of Tabebuia avellanedae, together with three known phenylpropanoid glycosides 1, 3, 4. All compounds were identified on the basis of spectroscopic analysis and chemical methods and, for known compounds, by comparison with published data. All isolated compounds showed strong antioxidant activity in the DPPH assay, an...