Abstract
In continuation of research on phenolic compounds of the aerial part of Geranium pusillum L. (Geraniaceae) [1], the air-dried material was extracted exhaustively with ethanol (70%). The aqueous solution remaining after removal of alcohol was extracted with CHCl to remove lipophilic substances. The purified aqueous extract developed a precipitate on standing. This 3 was filtered off and recrystallized from pyridine to give yellowish crystals (1). Phenolic compounds from the aqueous solution were extracted by ethylacetate. The ethylacetate fraction was separated over a polyamide column (eluent alcohol—water in various ratios) and rechromatographed repeatedly over silica gel (eluent CHCl —CH OH in various ratios) to isolate 2-4, which were phenolic carboxylic acids according to qualitative reactions. 3 3 Compound 1 is slightly soluble in boiling water and alcohol, insoluble in ether, mp ~360 C (dec.). o
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