Two hitherto unknown dimeric anthraquinones, lO-(Physcion-Tyl)-lO-hydroxy chrysophanol anthrone (122) and 9-(Physcion-T -yI)5, lO-dihdroxy-2-methyl-l,4- anthraquinone (124) along with chrysophanol (120), physcion (121), ...

The plant Impatiens tinctoria A-Rich grows widely in Ethiopia. its tubers are traditionall;y used to dye the palms of nails of women and to treat infections of the hands and feet. The methanol extract of I. tinctoria ...

Rumex abyssinicus, family polygonaceae is a plant used traditionally for colouring textiles and food. It has several medicinal application such as purgative, antidiabetic, and taencide. l'he powdered root of R0abyssinicus was ...

Oleyl ester of p-benzoylbenzoic acid (I) was irradiated in carbontetrachloride. The triplet state of benzophenone served to abstract hydrogen; intramolecular to, but structurally remote from the excited carbonyl

The chloroform extract of the pods of S.septemtriona /is afforded anthraquinones: physcion, chrysophanol, emodin, floribundone - 1, torosanin-9',10' - quinone, torosachrysone as well as 5,7 '-pnyscion- fal!acinol. The ...