109897-77-0Relevant articles and documents
Natural Product Chemistry. Part 177. Novel Synthesis and Crystal Structure of Isorutagravin
Reisch, Johannes,Dharmaratna, H. Ranjith W.,Schiwak, Katrin,Henkel, Gerald
, p. 911 - 927 (2007/10/02)
Synthesis of rutagravin (1a), isorutagravin (1b), dihydrohallacridone (4) and gravacridone (3) was carried out by the treatment of rutacridone (2) with aqueous potassium permanganate. 4 was converted to hallacridone (5). 1a, 3 and 5 are naturally occurring acridone alkaloids isolated from Ruta graveolens (Rutaceae).In addition the crystal structure of 1b has been determined.
Natural Products Chemistry. Part 124. Revised Structure and Synthesis of a New Acridone Alkaloid, Hallacridone from Ruta graveolens Tissue Cultures
Reisch, Johannes,Gunaherath, G. M. Kamal B.
, p. 1047 - 1051 (2007/10/02)
The synthesis of 6-hydroxy-2,12-dimethyl-3H-pyranoacridine-3,7(12H)-dione (1) by two different routes revealed the previously proposed structure of hallacridone, , to be incorrect.Careful examination of the spectral characteristics, of an authentic