title: Oxanthrone esters from the roots of Cassia kleinii.
abstract: From the roots of Cassia kleinii two new oxanthrone esters, kleinioxanthrone-3 and kleinioxanthrone-4 have been isolated. Their structures were established as 1,8-dihydroxy-3-methyl-9(10H)-anthracenone-10-oxyhexadecanoate 3 and 2,6,7-trihydroxy-1,8-dimethoxy-3-methyl-9(10H)-anthracenone-10-oxydecanoate 4 respectively based on degradative and spectroscopic evidence.
authors.affiliation: Organic Chemistry Division, Regional Research Laboratory, Trivandrum-695 019, India.
authors.forename: S J
authors.initials: SJ
authors.lastname: Anu
authors.forename: J Madhusudana
authors.initials: JM
authors.lastname: Rao
mesh_terms: D000873:Anthracenes / Q000737:chemistry* / Q000302:isolation & purification; D007887:Fabaceae / Q000737:chemistry*; D015394:Molecular Structure; D018517:Plant Roots / Q000737:chemistry*; D010946:Plants, Medicinal / Q000737:chemistry
chemical_list: D000873:Anthracenes; C454579:kleinioxanthrone-3; C454580:kleinioxanthrone-4