Phytochemistry 1997-Feb
A phenylpropanoid glycoside from Ballota nigra.
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Abstract
A new phenylpropanoid glycoside, ballotetroside, has been isolated from the aerial parts of Ballota nigra. On the basis of chemical and spectral data, its structure has been established as (3,4-dihydroxyphenyl)-2-ethyl[alpha-L-arabinopyranosyl-(1-->2)-alp ha- L-rhamnopyranosyl-(1-->3)]-beta-D-apiofuranosyl-(1-->6)-4-O- caffeoyl-beta-D-glucopyranoside.