Phytochemical investigation and isolation of new compounds from the stems of Tinospora cordifolia Miers
Journal Title: Trends in Phytochemical Research - Year 2017, Vol 1, Issue 2
Abstract
Tinospora cordifolia (Willd.) Miers, (Menispermaceae), a glabrous, deciduous and trailing plant found in tropical India, China, Sri Lanka, Bangladesh and Myanmar. It is used to treat anemia, debility, diabetes, diarrhea, dysentery, dyspepsia, fevers, jaundice, rheumatism, urinary and skin diseases and snake bites. Its air-dried stem powder was exhaustively extracted with methanol. The concentrated methanolic extract was adsorbed on silica gel (60-120 mesh) for the preparation of a slurry. The dried slurry was chromatographed over silica gel column packed in petroleum ether. The column was eluted with petroleum ether, chloroform and methanol successively in order of increasing polarity to isolate a variety of new chemical constituents characterized as trans-cinnamoyl 2-n-hexanyl-7-methoxynaphthyl amide (2), trans-cinnamoyl 2-n- pentanyl- 6,7- dimethoxynaphthyl amide (3), trans-cinnamoyl 2-n-octanyl-7-methoxynaphthyl amide (4), β-D-arabinosyl-O-geranilan-10′-oate (5), 4,5,7-trimethoxy-2-naphthol-2-O-α-L- arabinofuranosyl-(2′→1′′)-O-α-L-arabinopyranosyl-2′′-O-pentane (6), 5,7-dimethoxy-2-naphthol-2-O-α-L-arabinopyranosyl-(2′→1′′)-α-L- arabinopyranosyl-2′′-O-decane (7) and 5-hydroxy-4''-methoxy-7- flavanoxy- (7→7'''')- β-O-labdan-1-en-3''''α,19''''-olide-18''''-oic acid (tinolabdenyl flavanone) (8) along with cetyl alcohol (1). The structures of all the isolated phytoconstituents have been established on the basis of spectral data analysis and chemical reactions.
Authors and Affiliations
Shahnaj Sultana; Mohammed Ali; Mohammad Jameel
Keywords
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