Phytochemistry p. 1037 - 1039 (1991)
Update date:2022-08-16
Topics:
Asthana, Rakesh K.
Sharma, Narendra K.
Kulshreshtha, Dinesh K.
Chatterjee, Sunil K.
The structure of new xanthone from Swertia chirayita has been established as 1,5-dihydroxy-3,8-dimethoxy xanthone (chiratol) on the basis of spectral and chemical evidence.Two other xanthones, i. e. swerchirin (1,8-dihydroxy-3,5-dimethoxy xanthone) and 7-O-methyl swertianin (1,8-dihydroxy-3,7-dimethoxy xanthone) have been isolated.Swerchirin was identified as the hypoglycaemic principle of the plant.
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