Cordifoliosides A and B, two New Phenylpropene Disaccharides fromTinospora cordifoliapossessing Immunostimulant Activity

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Abstract
Two new phenylpropene disaccharides 3-[4′-O-β-D-apiosyl-(1″′ → 3″) -O-β-D-glucopyranosyl-3′, 5′-dimethoxyphenyl]-2-trans-propene-1-ol (1) and 3-[4′-O-β-D-glucosyl-(1″′ → 5″)-O-β-D-apiosyl-3′, 5′-dimethoxyphenyl]-2-trans - propene-1-ol (2) were isolated from T. cordifolia and screened for immunostimulant activity. The structures were elucidated on the basis of spectroscopic evidences.