Planta Medica 1994-Apr
Acridone Alkaloids from Cell Suspension Cultures of Thamnosma montana.
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Cell Suspension cultures of THAMNOSMA MONTANA were grown in Gamborg B5 medium which was best suited for acridone alkaloid formation. From the lyophilized cell material nine acridones and three acridone-monoglucosides have been isolated which were found for the first time in the genus THAMNOSMA. Moreover, N-methylacridone which is known from the intact plant was found. Gravacridonol monoglucoside was identified as a new alkaloid. Interestingly, most isolated alkaloids belong to the dihydrofuroacridones.