title: 17-(5-Ethyl-6-methyl-heptan-2-yl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetra-deca-hydro-1H-cyclo-penta[a]phenanthrene-3,7-diol from Chisocheton tomentosus (Meliaceae).
abstract: The asymmetric unit of the title compound, C(29)H(50)O(2), contains two mol-ecules; one mol-ecule is linked to the other by two O-H⋯O hydrogen bonds, whereas only one of the hydr-oxy groups of the second mol-ecule is involved in hydrogen bonding. This gives rise to a chain that runs along the a axis of the monoclinic unit cell.
authors.affiliation: Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.
authors.forename: Ibrahim A
authors.initials: IA
authors.lastname: Najmuldeen
authors.forename: Abdul Hamid Abdul
authors.initials: AH
authors.lastname: Hadi
authors.forename: Khalijah
authors.initials: K
authors.lastname: Awang
authors.forename: Khalit
authors.initials: K
authors.lastname: Mohamad
authors.forename: Seik Weng
authors.initials: SW
authors.lastname: Ng