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Three new triterpenoidal glucosides, justiciosides E, F and G, were isolated from the aerial portion of Justicia betonica. Their structures were established through chemical and spectroscopic analyses, and showed an unusual A-nor-B-homo oleanan-12-ene skeleton type for the aglycone moiety as A-nor-B-homo-oleanan-10,12-diene-3β,11α,28-triol 28-O-β-d-glucopyranosyl-(1→2)-β-d-glucopyranoside, A-nor-B-homo-oleanan-10,12-diene-3β,11α,28-triol...
From the aerial portion of Justicia betonica L., four triterpenoidal glycosides (justiciosides A–D) were isolated. Their structures were established through chemical and NMR spectroscopic analyses as olean-12-ene-1β,3β,11α,28-tetraol 28-O-β-d-glucopyranosyl-(1→2)-β-d-glucopyranoside, olean-12-ene-1β,3β,11α,28-tetraol 28-O-β-d-glucopyranosyl-(1→2)-β-d-glucopyranosyl-(1→2)-β-d-glucopyranoside, 11α-methoxy-olean-12-ene-1β,3β,28-triol...
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