title: Antileishmanial physalins from Physalis minima.
abstract: Three new physalins (1-3) and a new withanolide 7 have been isolated from the whole plant of Physalis minima, along with three known physalins: physalin H (4), isophysalin B (5), and 5beta,6beta-epoxyphysalin B (6). Their structures were deduced on the basis of in-depth spectroscopic analyses. Compounds 1-6 showed significant in vitro leishmanicidal activities (0.92-19.4 microg/ml) against promastigotes of Leishmania major.
authors.affiliation: H.E.J. Research Institute of Chemistry, International Center for Chemical Sciences, University of Karachi, Karachi-75270, Pakistan.
authors.forename: M Iqbal
authors.initials: MI
authors.lastname: Choudhary
authors.forename: Sammer
authors.initials: S
authors.lastname: Yousaf
authors.forename: Shakil
authors.initials: S
authors.lastname: Ahmed
authors.forename: Kauser
authors.initials: K
authors.lastname: Yasmeen
mesh_terms: D000818:Animals; D007783:Lactones / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology*; D007891:Leishmania / Q000187:drug effects*; D015394:Molecular Structure; D032321:Physalis / Q000737:chemistry*; D013256:Steroids / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology*
chemical_list: D007783:Lactones; D013256:Steroids